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Castrillo-Bodero R, Blanco-Rey M, Ali K, Ortega JE, Schiller F, Fernández L. Tuning the carrier injection barrier of hybrid metal-organic interfaces on rare earth-gold surface compounds. Nanoscale 2023; 15:4090-4100. [PMID: 36744853 DOI: 10.1039/d2nr06440e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Magnetic hybrid metal-organic interfaces possess a great potential in areas such as organic spintronics and quantum information processing. However, tuning their carrier injection barriers on-demand is fundamental for the implementation in technological devices. We have prepared hybrid metal-organic interfaces by the adsorption of copper phthalocyanine CuPc on REAu2 surfaces (RE = Gd, Ho and Yb) and studied their growth, electrostatics and electronic structure. CuPc exhibits a long-range commensurability and a vacuum level pinning of the molecular energy levels. We observe a significant effect of the RE valence of the substrate on the carrier injection barrier of the hybrid metal-organic interface. CuPc adsorbed on trivalent RE-based surfaces (HoAu2 and GdAu2) exhibits molecular level energies that may allow injection carriers significantly closer to an ambipolar injection behavior than in the divalent case (YbAu2).
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Affiliation(s)
- R Castrillo-Bodero
- Centro de Física de Materiales CSIC-UPV/EHU-Materials Physics Center, 20018 San Sebastián, Spain.
| | - M Blanco-Rey
- Universidad del País Vasco UPV/EHU, Dpto. de Polímeros y Materiales Avanzados: Física, Química y Tecnología, 20018 San Sebastián, Spain
- Donostia International Physics Center, 20018 Donostia-San Sebastián, Spain
| | - K Ali
- Centro de Física de Materiales CSIC-UPV/EHU-Materials Physics Center, 20018 San Sebastián, Spain.
- Donostia International Physics Center, 20018 Donostia-San Sebastián, Spain
- Chalmers University of Technology, Chalmersplatsen 4, Götenborg, 41296, Sweden
| | - J E Ortega
- Universidad del País Vasco UPV/EHU, Dpto. Física Aplicada I, 20018 San Sebastián, Spain
- Centro de Física de Materiales CSIC-UPV/EHU-Materials Physics Center, 20018 San Sebastián, Spain.
- Donostia International Physics Center, 20018 Donostia-San Sebastián, Spain
| | - F Schiller
- Centro de Física de Materiales CSIC-UPV/EHU-Materials Physics Center, 20018 San Sebastián, Spain.
- Donostia International Physics Center, 20018 Donostia-San Sebastián, Spain
| | - L Fernández
- Centro de Física de Materiales CSIC-UPV/EHU-Materials Physics Center, 20018 San Sebastián, Spain.
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2
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Sangam S, Jindal S, Agarwal A, Banerjee BD, Prasad P, Mukherjee M. Graphene quantum dots-porphyrins/phthalocyanines multifunctional hybrid systems: from interfacial dialogue to applications. Biomater Sci 2022; 10:1647-1679. [DOI: 10.1039/d2bm00016d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Engineered well-ordered hybrid nanomaterials are at a symbolically pivotal point, just ahead of a long-anticipated human race transformation. Incorporating newer carbon nanomaterials like graphene quantum dots (GQDs) with tetrapyrrolic porphyrins...
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3
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Zhang Q, Huang Z, Hou Y, Yuan P, Xu Z, Yang H, Song X, Chen Y, Yang H, Zhang T, Liu L, Gao HJ, Wang Y. Tuning Molecular Superlattice by Charge-Density-Wave Patterns in Two-Dimensional Monolayer Crystals. J Phys Chem Lett 2021; 12:3545-3551. [PMID: 33818110 DOI: 10.1021/acs.jpclett.1c00230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Charge density wave (CDW) in two-dimensional (2D) crystals plays a vital role in tuning the interface structures and properties. However, how the CDW tunes the self-assembled molecular superlattice still remains unclear. In this study, we investigated the self-assembled manganese phthalocyanine (MnPc) molecular superlattice on single-layered 1T- and 2H-NbSe2 crystals under regulation by distinct CDW patterns. We observe that, in low coverage, MnPc molecules preferentially adsorb on 2H-NbSe2 compared to 1T-NbSe2. With increasing coverage, MnPc can form a highly ordered superlattice on 2H-NbSe2; however, it is randomly distributed on 1T-NbSe2. We reveal a perfect geometric commensurability between the molecular superlattice and intrinsic CDW pattern in 2H-NbSe2 and a poor commensurability for that of 1T-NbSe2. We believe that the subtly different geometric commensurability dominates the different adsorption and arrangement of the molecular superlattices on 2D CDW patterns. Our study provides a pioneering approach for tuning the molecular superlattices using the CDW patterns.
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Affiliation(s)
- Quanzhen Zhang
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
| | - Zeping Huang
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
| | - Yanhui Hou
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
| | - Peiwen Yuan
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
| | - Ziqiang Xu
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
| | - Han Yang
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
| | - Xuan Song
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
| | - Yaoyao Chen
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
| | - Huixia Yang
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
| | - Teng Zhang
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
| | - Liwei Liu
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
| | - Hong-Jun Gao
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Yeliang Wang
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
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4
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Cuxart MG, Valbuena MA, Robles R, Moreno C, Bonell F, Sauthier G, Imaz I, Xu H, Nistor C, Barla A, Gargiani P, Valvidares M, Maspoch D, Gambardella P, Valenzuela SO, Mugarza A. Molecular Approach for Engineering Interfacial Interactions in Magnetic/Topological Insulator Heterostructures. ACS Nano 2020; 14:6285-6294. [PMID: 32293865 DOI: 10.1021/acsnano.0c02498] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Controlling interfacial interactions in magnetic/topological insulator heterostructures is a major challenge for the emergence of novel spin-dependent electronic phenomena. As for any rational design of heterostructures that rely on proximity effects, one should ideally retain the overall properties of each component while tuning interactions at the interface. However, in most inorganic interfaces, interactions are too strong, consequently perturbing, and even quenching, both the magnetic moment and the topological surface states at each side of the interface. Here, we show that these properties can be preserved using ligand chemistry to tune the interaction of magnetic ions with the surface states. By depositing Co-based porphyrin and phthalocyanine monolayers on the surface of Bi2Te3 thin films, robust interfaces are formed that preserve undoped topological surface states as well as the pristine magnetic moment of the divalent Co ions. The selected ligands allow us to tune the interfacial hybridization within this weak interaction regime. These results, which are in stark contrast with the observed suppression of the surface state at the first quintuple layer of Bi2Se3 induced by the interaction with Co phthalocyanines, demonstrate the capability of planar metal-organic molecules to span interactions from the strong to the weak limit.
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Affiliation(s)
- Marc G Cuxart
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, 08193 Barcelona, Spain
| | - Miguel Angel Valbuena
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, 08193 Barcelona, Spain
| | - Roberto Robles
- Centro de Fı́sica de Materiales CFM/MPC (CSIC-UPV/EHU), 20018 Donostia-San Sebastián Spain
| | - César Moreno
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, 08193 Barcelona, Spain
| | - Frédéric Bonell
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, 08193 Barcelona, Spain
| | - Guillaume Sauthier
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, 08193 Barcelona, Spain
| | - Inhar Imaz
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, 08193 Barcelona, Spain
| | - Heng Xu
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, 08193 Barcelona, Spain
| | - Corneliu Nistor
- Department of Materials, ETH Zurich, Hönggerbergring 64, CH-8093 Zurich, Switzerland
| | - Alessandro Barla
- Istituto di Struttura della Materia (ISM), Consiglio Nazionale delle Ricerche (CNR), I-34149 Trieste, Italy
| | - Pierluigi Gargiani
- ALBA Synchrotron Light Source, Carretera BP 1413km 3.3, E-08290 Cerdanyola del Vallès, Spain
| | - Manuel Valvidares
- ALBA Synchrotron Light Source, Carretera BP 1413km 3.3, E-08290 Cerdanyola del Vallès, Spain
| | - Daniel Maspoch
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, 08193 Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), 08070 Barcelona, Spain
| | - Pietro Gambardella
- Department of Materials, ETH Zurich, Hönggerbergring 64, CH-8093 Zurich, Switzerland
| | - Sergio O Valenzuela
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, 08193 Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), 08070 Barcelona, Spain
| | - Aitor Mugarza
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, 08193 Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), 08070 Barcelona, Spain
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5
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Duncan DA, Casado Aguilar P, Paszkiewicz M, Diller K, Bondino F, Magnano E, Klappenberger F, Píš I, Rubio A, Barth JV, Pérez Paz A, Allegretti F. Local adsorption structure and bonding of porphine on Cu(111) before and after self-metalation. J Chem Phys 2019; 150:094702. [PMID: 30849887 DOI: 10.1063/1.5084027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We have experimentally determined the lateral registry and geometric structure of free-base porphine (2H-P) and copper-metalated porphine (Cu-P) adsorbed on Cu(111), by means of energy-scanned photoelectron diffraction (PhD), and compared the experimental results to density functional theory (DFT) calculations that included van der Waals corrections within the Tkatchenko-Scheffler approach. Both 2H-P and Cu-P adsorb with their center above a surface bridge site. Consistency is obtained between the experimental and DFT-predicted structural models, with a characteristic change in the corrugation of the four N atoms of the molecule's macrocycle following metalation. Interestingly, comparison with previously published data for cobalt porphine adsorbed on the same surface evidences a distinct increase in the average height of the N atoms above the surface through the series 2H-P, Cu-P, and cobalt porphine. Such an increase strikingly anti-correlates the DFT-predicted adsorption strength, with 2H-P having the smallest adsorption height despite the weakest calculated adsorption energy. In addition, our findings suggest that for these macrocyclic compounds, substrate-to-molecule charge transfer and adsorption strength may not be univocally correlated.
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Affiliation(s)
- D A Duncan
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - P Casado Aguilar
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - M Paszkiewicz
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - K Diller
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - F Bondino
- IOM-CNR, Laboratorio TASC, S.S. 14-km 163.5, 34149 Basovizza, Trieste, Italy
| | - E Magnano
- IOM-CNR, Laboratorio TASC, S.S. 14-km 163.5, 34149 Basovizza, Trieste, Italy
| | - F Klappenberger
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - I Píš
- IOM-CNR, Laboratorio TASC, S.S. 14-km 163.5, 34149 Basovizza, Trieste, Italy
| | - A Rubio
- Nano-Bio Spectroscopy Group and ETSF, Universidad del País Vasco, 20018 San Sebastián, Spain
| | - J V Barth
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - A Pérez Paz
- Nano-Bio Spectroscopy Group and ETSF, Universidad del País Vasco, 20018 San Sebastián, Spain
| | - F Allegretti
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
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6
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Pia AD, Lisi S, Luca OD, Warr DA, Lawrence J, Otrokov MM, Aliev ZS, Chulkov EV, Agostino RG, Arnau A, Papagno M, Costantini G. TCNQ Physisorption on the Topological Insulator Bi 2 Se 3. Chemphyschem 2018; 19:2405-2410. [PMID: 29847012 DOI: 10.1002/cphc.201800259] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Indexed: 11/07/2022]
Abstract
Topological insulators are promising candidates for spintronic applications due to their topologically protected, spin-momentum locked and gapless surface states. The breaking of the time-reversal symmetry after the introduction of magnetic impurities, such as 3d transition metal atoms embedded in two-dimensional molecular networks, could lead to several phenomena interesting for device fabrication. The first step towards the fabrication of metal-organic coordination networks on the surface of a topological insulator is to investigate the adsorption of the pure molecular layer, which is the aim of this study. Here, the effect of the deposition of the electron acceptor 7,7,8,8-tetracyanoquinodimethane (TCNQ) molecules on the surface of a prototypical topological insulator, bismuth selenide (Bi2 Se3 ), is investigated. Scanning tunneling microscope images at low-temperature reveal the formation of a highly ordered two-dimensional molecular network. The essentially unperturbed electronic structure of the topological insulator observed by photoemission spectroscopy measurements demonstrates a negligible charge transfer between the molecular layer and the substrate. Density functional theory calculations confirm the picture of a weakly interacting adsorbed molecular layer. These results reveal significant potential of TCNQ for the realization of metal-organic coordination networks on the topological insulator surface.
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Affiliation(s)
- Ada Della Pia
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
| | - Simone Lisi
- Institut Néel, 25 Rue des Martyrs BP 166, 38042, Grenoble, France
| | - Oreste De Luca
- Dipartimento di Fisica, Università della Calabria, 87036, Arcavacata di Rende (CS), Italy
| | - Daniel A Warr
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
| | - J Lawrence
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
| | - Mikhail M Otrokov
- Departamento de Física de Materiales UPV/EHU, Centro de Física de Materiales CFM-MPC and Centro Mixto CSIC-UPV/EHU, 20080, San Sebastián/Donostia, Spain
- Saint Petersburg State University, 198504, Saint Petersburg, Russia
- Tomsk State University, 634050, Tomsk, Russia
| | - Ziya S Aliev
- Azerbaijan State Oil and Industry University, AZ1010, Baku, Azerbaijan
- Materials Science and Nanotechnology Department, Near East University, North Cyprus, Mersin 10, 99138, Nicosia, Turkey
| | - Evgueni V Chulkov
- Departamento de Física de Materiales UPV/EHU, Centro de Física de Materiales CFM-MPC and Centro Mixto CSIC-UPV/EHU, 20080, San Sebastián/Donostia, Spain
- Saint Petersburg State University, 198504, Saint Petersburg, Russia
- Donostia International Physics Center (DIPC), 20018, Donostia-San Sebastian, Spain
| | - Raffaele G Agostino
- Dipartimento di Fisica, Università della Calabria, 87036, Arcavacata di Rende (CS), Italy
| | - Andrés Arnau
- Departamento de Física de Materiales UPV/EHU, Centro de Física de Materiales CFM-MPC and Centro Mixto CSIC-UPV/EHU, 20080, San Sebastián/Donostia, Spain
- Donostia International Physics Center (DIPC), 20018, Donostia-San Sebastian, Spain
| | - Marco Papagno
- Dipartimento di Fisica, Università della Calabria, 87036, Arcavacata di Rende (CS), Italy
| | - Giovanni Costantini
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
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Abstract
The miniaturization trend in the semiconductor industry has led to the understanding that interfacial properties are crucial for device behaviour. Spintronics has not been alien to this trend, and phenomena such as preferential spin tunnelling, the spin-to-charge conversion due to the Rashba-Edelstein effect and the spin-momentum locking at the surface of topological insulators have arisen mainly from emergent interfacial properties, rather than the bulk of the constituent materials. In this Perspective we explore inorganic/molecular interfaces by looking closely at both sides of the interface. We describe recent developments and discuss the interface as an ideal platform for creating new spin effects. Finally, we outline possible technologies that can be generated thanks to the unique active tunability of molecular spinterfaces.
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Affiliation(s)
- Mirko Cinchetti
- Experimentelle Physik VI, Technische Universität Dortmund, 44221 Dortmund, Germany
| | - V Alek Dediu
- Istituto per lo Studio dei Materiali Nanostrutturati CNRISMN, 40129 Bologna, Italy
| | - Luis E Hueso
- CIC nanoGUNE, 20018 San Sebastian, Spain
- IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
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Yoshizawa S, Minamitani E, Vijayaraghavan S, Mishra P, Takagi Y, Yokoyama T, Oba H, Nitta J, Sakamoto K, Watanabe S, Nakayama T, Uchihashi T. Controlled Modification of Superconductivity in Epitaxial Atomic Layer-Organic Molecule Heterostructures. Nano Lett 2017; 17:2287-2293. [PMID: 28358199 DOI: 10.1021/acs.nanolett.6b05010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Self-assembled organic molecules can potentially be an excellent source of charge and spin for two-dimensional (2D) atomic-layer superconductors. Here we investigate 2D heterostructures based on In atomic layers epitaxially grown on Si and highly ordered metal-phthalocyanine (MPc, M = Mn, Cu) through a variety of techniques: scanning tunneling microscopy, electron transport measurements, angle-resolved photoemission spectroscopy, X-ray magnetic circular dichroism, and ab initio calculations. We demonstrate that the superconducting transition temperature (Tc) of the heterostructures can be modified in a controllable manner. Particularly, the substitution of the coordinated metal atoms from Mn to Cu is found to reverse the Tc shift from negative to positive directions. This distinctive behavior is attributed to a competition of charge and spin effects, the latter of which is governed by the directionality of the relevant d-orbitals. The present study shows the effectiveness of molecule-induced surface doping and the significance of microscopic understanding of the molecular states in these 2D heterostructures.
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Affiliation(s)
- Shunsuke Yoshizawa
- International Center for Young Scientists (ICYS), National Institute for Materials Science , 1-1, Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Emi Minamitani
- Department of Materials Engineering, The University of Tokyo , 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Saranyan Vijayaraghavan
- International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science , 1-1, Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Puneet Mishra
- International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science , 1-1, Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Yasumasa Takagi
- Institute for Molecular Science , Myoudaiji Campus, 38 Nishigo-Naka, Myodaiji, Okazaki, Aichi 444-8585, Japan
| | - Toshihiko Yokoyama
- Institute for Molecular Science , Myoudaiji Campus, 38 Nishigo-Naka, Myodaiji, Okazaki, Aichi 444-8585, Japan
| | - Hiroaki Oba
- Department of Nanomaterials Science, Graduate School of Advanced Integration Science, Chiba University , 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Jun Nitta
- Department of Nanomaterials Science, Graduate School of Advanced Integration Science, Chiba University , 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Kazuyuki Sakamoto
- Department of Nanomaterials Science, Graduate School of Advanced Integration Science, Chiba University , 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Satoshi Watanabe
- Department of Materials Engineering, The University of Tokyo , 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Tomonobu Nakayama
- International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science , 1-1, Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Takashi Uchihashi
- International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science , 1-1, Namiki, Tsukuba, Ibaraki 305-0044, Japan
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9
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Wäckerlin A, Fatayer S, Nijs T, Nowakowska S, Mousavi SF, Popova O, Ahsan A, Jung TA, Wäckerlin C. Molecular Chessboard Assemblies Sorted by Site-Specific Interactions of Out-of-Plane d-Orbitals with a Semimetal Template. Nano Lett 2017; 17:1956-1962. [PMID: 28157314 DOI: 10.1021/acs.nanolett.6b05344] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
We show that highly ordered two-dimensional (2D) chessboard arrays consisting of a periodic arrangement of two different molecules can be obtained by self-assembly of unsubstituted metal-phthalocyanines (metal-Pcs) on a suitable substrate serving as the template. Specifically, CuPc + MnPc and CuPc + CoPc mixtures sort into highly ordered Cu/Mn and Cu/Co chessboard arrays on the square p(10 × 10) reconstruction of bismuth on Cu(100). Such created bimolecular chessboard assemblies emerge from the site-specific interactions between the central transition-metal ions and the periodically reconstructed substrate. This work provides a conceptually new approach to induce 2D chessboard patterns in that no functionalization of the molecules is needed.
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Affiliation(s)
- Aneliia Wäckerlin
- Department of Physics, University of Basel , 4056 Basel, Switzerland
| | - Shadi Fatayer
- Department of Physics, University of Basel , 4056 Basel, Switzerland
- Departamento de Física Aplicada, Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas , Campinas 13083-859, Brazil
| | - Thomas Nijs
- Department of Physics, University of Basel , 4056 Basel, Switzerland
| | - Sylwia Nowakowska
- Department of Physics, University of Basel , 4056 Basel, Switzerland
| | - S Fatemeh Mousavi
- Department of Physics, University of Basel , 4056 Basel, Switzerland
| | - Olha Popova
- Department of Physics, University of Basel , 4056 Basel, Switzerland
| | - Aisha Ahsan
- Department of Physics, University of Basel , 4056 Basel, Switzerland
| | - Thomas A Jung
- Laboratory for Micro- and Nanotechnology, Paul Scherrer Institut , 5232 Villigen PSI, Switzerland
| | - Christian Wäckerlin
- Laboratory for Micro- and Nanotechnology, Paul Scherrer Institut , 5232 Villigen PSI, Switzerland
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10
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Liang Z, Sun H, Shen K, Hu J, Song B, Lu Y, Jiang Z, Song F. Unveiling orbital coupling at the CoPc/Bi(111) surface by ab initio calculations and photoemission spectroscopy. RSC Adv 2017. [DOI: 10.1039/c7ra09495g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Orbital coupling is revealed at the CoPc/Bi(111) interface with the local magnetic moment retained in CoPc.
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Affiliation(s)
- Zhaofeng Liang
- Shanghai Synchrotron Radiation Facility
- Shanghai Institute of Applied Physics
- Chinese Academy of Sciences
- China
- University of Chinese Academy of Sciences
| | - Haoliang Sun
- Shanghai Synchrotron Radiation Facility
- Shanghai Institute of Applied Physics
- Chinese Academy of Sciences
- China
- University of Chinese Academy of Sciences
| | - Kongchao Shen
- Shanghai Synchrotron Radiation Facility
- Shanghai Institute of Applied Physics
- Chinese Academy of Sciences
- China
| | - Jinbang Hu
- Shanghai Synchrotron Radiation Facility
- Shanghai Institute of Applied Physics
- Chinese Academy of Sciences
- China
| | - Bo Song
- University of Shanghai for Science and Technology
- Shanghai
- China
| | - Yunhao Lu
- College of Materials Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Zheng Jiang
- Shanghai Synchrotron Radiation Facility
- Shanghai Institute of Applied Physics
- Chinese Academy of Sciences
- China
| | - Fei Song
- Shanghai Synchrotron Radiation Facility
- Shanghai Institute of Applied Physics
- Chinese Academy of Sciences
- China
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11
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Tu NH, Tanabe Y, Satake Y, Huynh KK, Tanigaki K. In-plane topological p-n junction in the three-dimensional topological insulator Bi 2-xSb xTe 3-ySe y. Nat Commun 2016; 7:13763. [PMID: 27934857 PMCID: PMC5155151 DOI: 10.1038/ncomms13763] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Accepted: 10/31/2016] [Indexed: 11/14/2022] Open
Abstract
A topological p-n junction (TPNJ) is an important concept to control spin and charge transport on a surface of three-dimensional topological insulators (3D-TIs). Here we report successful fabrication of such TPNJ on a surface of 3D-TI Bi2−xSbxTe3−ySey thin films and experimental observation of the electrical transport. By tuning the chemical potential of n-type topological Dirac surface of Bi2−xSbxTe3−ySey on its top half by using tetrafluoro-7,7,8,8-tetracyanoquinodimethane as an organic acceptor molecule, a half surface can be converted to p-type with leaving the other half side as the opposite n-type, and consequently TPNJ can be created. By sweeping the back-gate voltage in the field effect transistor structure, the TPNJ was controlled both on the bottom and the top surfaces. A dramatic change in electrical transport observed at the TPNJ on 3D-TI thin films promises novel spin and charge transport of 3D-TIs for future spintronics.
Dirac cone surface states rectify an ultralow dissipative spin and charge current, but it is yet to be confirmed in devices. Here, Tu et al. observe p-type electrical transport on one half surface and n-type on the other in Bi2−xSbxTe3−ySey thin films, realizing a topological p-n junction.
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Affiliation(s)
- Ngoc Han Tu
- Department of Physics, Graduate School of Science, Tohoku University, 6-3 Aramaki, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Yoichi Tanabe
- Department of Physics, Graduate School of Science, Tohoku University, 6-3 Aramaki, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Yosuke Satake
- Department of Physics, Graduate School of Science, Tohoku University, 6-3 Aramaki, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Khuong Kim Huynh
- WPI-Advanced Institute for Materials Research, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8578, Japan
| | - Katsumi Tanigaki
- Department of Physics, Graduate School of Science, Tohoku University, 6-3 Aramaki, Aoba-ku, Sendai, Miyagi 980-8577, Japan.,WPI-Advanced Institute for Materials Research, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8578, Japan
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12
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Sessi P, Bathon T, Kokh KA, Tereshchenko OE, Bode M. Single Electron Gating of Topological Insulators. Adv Mater 2016; 28:10073-10078. [PMID: 27677534 DOI: 10.1002/adma.201602413] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Revised: 08/01/2016] [Indexed: 06/06/2023]
Abstract
The effective gating of topological insulators is demonstrated, through the coupling of molecules to their surface. By using electric fields, they allow for dynamic control of the interface charge state by adding or removing single electrons. This process creates a robust transconductance bistability resembling a single-electron transistor. These findings make hybrid molecule/topological interfaces functional elements while at the same time pushing miniaturization to its ultimate limit.
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Affiliation(s)
- Paolo Sessi
- Physikalisches Institut, Experimentelle Physik II, Universität Würzburg Am Hubland, 97074, Würzburg, Germany
| | - Thomas Bathon
- Physikalisches Institut, Experimentelle Physik II, Universität Würzburg Am Hubland, 97074, Würzburg, Germany
| | - Konstantin Aleksandrovich Kokh
- V.S. Sobolev Institute of Geology and Mineralogy, Siberian Branch Russian Academy of Sciences, 630090, Novosibirsk, Russia
- Physics Department, Novosibirsk State University, 630090, Novosibirsk, Russia
- Saint-Petersburg State University, 198504, Saint-Petersburg, Russia
| | - Oleg Evgenievich Tereshchenko
- Physics Department, Novosibirsk State University, 630090, Novosibirsk, Russia
- Saint-Petersburg State University, 198504, Saint-Petersburg, Russia
- A.V. Rzanov Institute of Semiconductor Physics, Siberian Branch Russian Academy of Sciences, 630090, Novosibirsk, Russia
| | - Matthias Bode
- Physikalisches Institut, Experimentelle Physik II, Universität Würzburg Am Hubland, 97074, Würzburg, Germany
- Wilhelm Conrad Röntgen-Center for Complex Material Systems (RCCM), Am Hubland, 97074, Würzburg, Germany
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13
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Caputo M, Panighel M, Lisi S, Khalil L, Santo GD, Papalazarou E, Hruban A, Konczykowski M, Krusin-Elbaum L, Aliev ZS, Babanly MB, Otrokov MM, Politano A, Chulkov EV, Arnau A, Marinova V, Das PK, Fujii J, Vobornik I, Perfetti L, Mugarza A, Goldoni A, Marsi M. Manipulating the Topological Interface by Molecular Adsorbates: Adsorption of Co-Phthalocyanine on Bi2Se3. Nano Lett 2016; 16:3409-3414. [PMID: 27010705 DOI: 10.1021/acs.nanolett.5b02635] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Topological insulators are a promising class of materials for applications in the field of spintronics. New perspectives in this field can arise from interfacing metal-organic molecules with the topological insulator spin-momentum locked surface states, which can be perturbed enhancing or suppressing spintronics-relevant properties such as spin coherence. Here we show results from an angle-resolved photemission spectroscopy (ARPES) and scanning tunnelling microscopy (STM) study of the prototypical cobalt phthalocyanine (CoPc)/Bi2Se3 interface. We demonstrate that that the hybrid interface can act on the topological protection of the surface and bury the Dirac cone below the first quintuple layer.
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Affiliation(s)
- Marco Caputo
- Laboratoire de Physique des Solides, CNRS, Universitè Paris-Sud, Université Paris-Saclay , 91405 Orsay Cedex, France
- Laboratory Micro & Nano-Carbon, Elettra - Sincrotrone Trieste S.C.p.A., s.s.14 Km 163.5, 34149 Trieste, Italy
| | - Mirko Panighel
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, 08193 Barcelona, Spain
- Laboratory Micro & Nano-Carbon, Elettra - Sincrotrone Trieste S.C.p.A., s.s.14 Km 163.5, 34149 Trieste, Italy
| | - Simone Lisi
- Dipartimento di Fisica, Università di Roma La Sapienza , Piazzale A. Moro 5, 00185 Roma, Italy
- Institut Néel, CNRS/UGA UPR2940, 25 Rue des Martyrs BP 166, 38042 Grenoble, France
| | - Lama Khalil
- Laboratoire de Physique des Solides, CNRS, Universitè Paris-Sud, Université Paris-Saclay , 91405 Orsay Cedex, France
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP48, 91192 Gif-sur-Yvette Cedex, France
| | - Giovanni Di Santo
- Laboratory Micro & Nano-Carbon, Elettra - Sincrotrone Trieste S.C.p.A., s.s.14 Km 163.5, 34149 Trieste, Italy
| | - Evangelos Papalazarou
- Laboratoire de Physique des Solides, CNRS, Universitè Paris-Sud, Université Paris-Saclay , 91405 Orsay Cedex, France
| | - Andrzej Hruban
- Institute of Electronic Materials Technology, 01-919 Warsaw, Poland
| | - Marcin Konczykowski
- Laboratoire des Solides Irradiés, Ecole Polytechnique, CNRS, CEA, Université Paris-Saclay , 91128 Palaiseau Cedex, France
| | - Lia Krusin-Elbaum
- Department of Physics, The City College of New York, CUNY , New York, New York 10031, United States
| | - Ziya S Aliev
- Institute of Catalisys and Inorganic Chemistry, Institute of Physics, Azerbaijan National Academy of Sciences , AZ-1143, Baku, Azerbaijan
| | - Mahammad B Babanly
- Institute of Catalisys and Inorganic Chemistry, Institute of Physics, Azerbaijan National Academy of Sciences , AZ-1143, Baku, Azerbaijan
| | - Mikhail M Otrokov
- Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastian, Spain
- Tomsk State University , 634050 Tomsk, Russia
| | - Antonio Politano
- Department of Physics, University of Calabria , via ponte Bucci 31/C, 87036 Rende (CS), Italy
| | - Evgueni V Chulkov
- Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastian, Spain
- Department of Materials Physics, University of the Basque Country UPV/EHU , 20018 Donostia-San Sebastian, Spain
- Centro de Fı́sica de Materiales (CFM), Materials Physics Center (MPC), Centro Mixto CSIC-UPV/EHU, 20018 Donostia-San Sebastian, Spain
- Saint Petersburg State University , 198504 Saint Petersburg, Russia
| | - Andrés Arnau
- Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastian, Spain
- Department of Materials Physics, University of the Basque Country UPV/EHU , 20018 Donostia-San Sebastian, Spain
- Centro de Fı́sica de Materiales (CFM), Materials Physics Center (MPC), Centro Mixto CSIC-UPV/EHU, 20018 Donostia-San Sebastian, Spain
| | - Vera Marinova
- Institute of Optical Materials and Technologies, "Acad. G. Bonchev" Str 109, Sofia, Bulgaria
| | - Pranab K Das
- Istituto Officina dei Materiali (IOM)-CNR, Laboratorio TASC, Area Science Park, s.s.14, Km 163.5, 34149 Trieste, Italy
- International Centre for Theoretical Physics, Strada Costiera 11, 34100 Trieste, Italy
| | - Jun Fujii
- Istituto Officina dei Materiali (IOM)-CNR, Laboratorio TASC, Area Science Park, s.s.14, Km 163.5, 34149 Trieste, Italy
| | - Ivana Vobornik
- Istituto Officina dei Materiali (IOM)-CNR, Laboratorio TASC, Area Science Park, s.s.14, Km 163.5, 34149 Trieste, Italy
| | - Luca Perfetti
- Laboratoire des Solides Irradiés, Ecole Polytechnique, CNRS, CEA, Université Paris-Saclay , 91128 Palaiseau Cedex, France
| | - Aitor Mugarza
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, 08193 Barcelona, Spain
- ICREA - Instituciò Catalana de Recerca i Estudis Avancast, Lluis Companys 23, 08010 Barcelona, Spain
| | - Andrea Goldoni
- Laboratory Micro & Nano-Carbon, Elettra - Sincrotrone Trieste S.C.p.A., s.s.14 Km 163.5, 34149 Trieste, Italy
| | - Marino Marsi
- Laboratoire de Physique des Solides, CNRS, Universitè Paris-Sud, Université Paris-Saclay , 91405 Orsay Cedex, France
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Atuchin V, Golyashov V, Kokh K, Korolkov I, Kozhukhov A, Kruchinin V, Loshkarev I, Pokrovsky L, Prosvirin I, Romanyuk K, Tereshchenko O. Crystal growth of Bi2Te3 and noble cleaved (0001) surface properties. J SOLID STATE CHEM 2016; 236:203-8. [DOI: 10.1016/j.jssc.2015.07.031] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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15
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Geng Y, Xu J, Xue J, Shen X, Li M, Huang J, Li X, Zeng Q. Study of the Edge-on Self-Assembly of Axially Substituted Silicon(IV) Phthalocyanine Derivatives in a Template on the HOPG Surface. Langmuir 2015; 31:13394-13401. [PMID: 26597903 DOI: 10.1021/acs.langmuir.5b03690] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Molecular conformation is an important issue related to the self-assembly architecture and property. The self-assembly of silicon(IV) phthalocyanines covalently linked to the 5-N-cytidine or 4-carboxyphenoxy moiety at the axial positions, namely, SiPc(NC)2 and SiPc(CP)2, respectively, has been studied by means of scanning tunneling microscopy (STM) at the solid-liquid interface. The intermolecular axial hydrogen bonding in combination with the stabilizing role of the TCDB template brings about supramolecular self-assembled structures of silicon(IV) phthalocyanines in an edge-on orientation. Two pyridine compounds, 4,4'-bipyridine (BPY) and 1,2-di(4-pyridyl)ethylene (DPE), can tune the supramolecular structure, leading to interestingly axial self-assemblies of SiPc(CP)2 with BPY and DPE in an edge-on manner by hydrogen bonding. The results indicate that the axial substituents and the axial ligands can regulate and precisely control the conformation and arrangement of the phthalocyanine moiety on the graphite surface.
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Affiliation(s)
- Yanfang Geng
- Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology (NCNST) , 11 Zhongguancun Beiyitiao, Beijing 100190, PR China
| | - Jing Xu
- Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology (NCNST) , 11 Zhongguancun Beiyitiao, Beijing 100190, PR China
| | - Jindong Xue
- Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology (NCNST) , 11 Zhongguancun Beiyitiao, Beijing 100190, PR China
| | - Xiaomin Shen
- College of Chemistry, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University , Fuzhou 350108, PR China
| | - Min Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049, PR China
| | - Jiandong Huang
- College of Chemistry, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University , Fuzhou 350108, PR China
| | - Xiaokang Li
- Key Laboratory of Organo-pharmaceutical Chemistry, Gannan Normal University , Ganzhou, Jiangxi 341000, PR China
| | - Qingdao Zeng
- Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology (NCNST) , 11 Zhongguancun Beiyitiao, Beijing 100190, PR China
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16
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Abstract
Perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA)/Bi2Se3 and Fe/PTCDA/Bi2Se3 heterointerfaces are investigated using scanning tunneling microscopy and spectroscopy. The close-packed self-assembled PTCDA monolayer possesses big molecular band gap and weak molecule-substrate interactions, which leaves the Bi2Se3 topological surface state intact under PTCDA. Formation of Fe-PTCDA hybrids removes interactions between the Fe dopant and the Bi2Se3 surface, such as doping effects and Coulomb scattering. Our findings reveal the functionality of PTCDA to prevent dopant disturbances in the TSS and provide an effective alternative for interface designs of realistic TI devices.
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Affiliation(s)
| | | | | | | | - Raman Sankar
- Institute of Atomic and Molecular Sciences, Academia Sinica , Taipei 10617, Taiwan
| | - Fang-Cheng Chou
- National Synchrotron Radiation Research Center , Hsinchu 30076, Taiwan
- Taiwan Consortium of Emergent Crystalline Materials (TCECM), Ministry of Science and Technology , Taipei 10622, Taiwan
| | - Minn-Tsong Lin
- Institute of Atomic and Molecular Sciences, Academia Sinica , Taipei 10617, Taiwan
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17
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Jakobs S, Narayan A, Stadtmüller B, Droghetti A, Rungger I, Hor YS, Klyatskaya S, Jungkenn D, Stöckl J, Laux M, Monti OLA, Aeschlimann M, Cava RJ, Ruben M, Mathias S, Sanvito S, Cinchetti M. Controlling the Spin Texture of Topological Insulators by Rational Design of Organic Molecules. Nano Lett 2015; 15:6022-6029. [PMID: 26262825 DOI: 10.1021/acs.nanolett.5b02213] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We present a rational design approach to customize the spin texture of surface states of a topological insulator. This approach relies on the extreme multifunctionality of organic molecules that are used to functionalize the surface of the prototypical topological insulator (TI) Bi2Se3. For the rational design we use theoretical calculations to guide the choice and chemical synthesis of appropriate molecules that customize the spin texture of Bi2Se3. The theoretical predictions are then verified in angular-resolved photoemission experiments. We show that, by tuning the strength of molecule-TI interaction, the surface of the TI can be passivated, the Dirac point can energetically be shifted at will, and Rashba-split quantum-well interface states can be created. These tailored interface properties-passivation, spin-texture tuning, and creation of hybrid interface states-lay a solid foundation for interface-assisted molecular spintronics in spin-textured materials.
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Affiliation(s)
- Sebastian Jakobs
- Department of Physics and Research Center OPTIMAS, University of Kaiserslautern , Erwin-Schrödinger-Straße 46, 67663 Kaiserslautern, Germany
- Graduate School of Excellence Materials Science in Mainz , Erwin Schroedinger Straße 46, 67663 Kaiserslautern, Germany
| | - Awadhesh Narayan
- School of Physics, AMBER and CRANN Institute, Trinity College , Dublin 2, Ireland
| | - Benjamin Stadtmüller
- Department of Physics and Research Center OPTIMAS, University of Kaiserslautern , Erwin-Schrödinger-Straße 46, 67663 Kaiserslautern, Germany
| | - Andrea Droghetti
- School of Physics, AMBER and CRANN Institute, Trinity College , Dublin 2, Ireland
| | - Ivan Rungger
- School of Physics, AMBER and CRANN Institute, Trinity College , Dublin 2, Ireland
| | - Yew S Hor
- Department of Chemistry, Princeton University , Princeton, New Jersey 08544, United States
| | - Svetlana Klyatskaya
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT) , D-76344 Eggenstein-Leopoldshafen, Germany
| | - Dominik Jungkenn
- Department of Physics and Research Center OPTIMAS, University of Kaiserslautern , Erwin-Schrödinger-Straße 46, 67663 Kaiserslautern, Germany
| | - Johannes Stöckl
- Department of Physics and Research Center OPTIMAS, University of Kaiserslautern , Erwin-Schrödinger-Straße 46, 67663 Kaiserslautern, Germany
| | - Martin Laux
- Department of Physics and Research Center OPTIMAS, University of Kaiserslautern , Erwin-Schrödinger-Straße 46, 67663 Kaiserslautern, Germany
| | - Oliver L A Monti
- Department of Chemistry and Biochemistry, and Department of Physics, University of Arizona , 1306 E. University Blvd., Tucson, Arizona United States
| | - Martin Aeschlimann
- Department of Physics and Research Center OPTIMAS, University of Kaiserslautern , Erwin-Schrödinger-Straße 46, 67663 Kaiserslautern, Germany
| | - Robert J Cava
- Department of Chemistry, Princeton University , Princeton, New Jersey 08544, United States
| | - Mario Ruben
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT) , D-76344 Eggenstein-Leopoldshafen, Germany
- Universite de Strasbourg , Institut de Physique et de Chimie des Materiaux de Strasbourg, Campus de Cronenbourg, 23 Rue du Loess, 67034 Strasbourg Cedex 2, France
| | - Stefan Mathias
- Department of Physics and Research Center OPTIMAS, University of Kaiserslautern , Erwin-Schrödinger-Straße 46, 67663 Kaiserslautern, Germany
- I. Physikalisches Institut, Georg-August-Universität Göttingen , Friedrich-Hund-Platz 1, 37077 Göttingen, Germany
| | - Stefano Sanvito
- School of Physics, AMBER and CRANN Institute, Trinity College , Dublin 2, Ireland
| | - Mirko Cinchetti
- Department of Physics and Research Center OPTIMAS, University of Kaiserslautern , Erwin-Schrödinger-Straße 46, 67663 Kaiserslautern, Germany
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18
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Wagner SR, Huang B, Park C, Feng J, Yoon M, Zhang P. Growth of Metal Phthalocyanine on Deactivated Semiconducting Surfaces Steered by Selective Orbital Coupling. Phys Rev Lett 2015; 115:096101. [PMID: 26371664 DOI: 10.1103/physrevlett.115.096101] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Indexed: 05/20/2023]
Abstract
Using scanning tunneling microscopy and density functional theory, we show that the molecular ordering and orientation of metal phthalocyanine molecules on the deactivated Si surface display a strong dependency on the central transition-metal ion, driven by the degree of orbital hybridization at the heterointerface via selective p-d orbital coupling. This Letter identifies a selective mechanism for modifying the molecule-substrate interaction which impacts the growth behavior of transition-metal-incorporated organic molecules on a technologically relevant substrate for silicon-based devices.
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Affiliation(s)
- Sean R Wagner
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824-2320, USA
| | - Bing Huang
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - Changwon Park
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - Jiagui Feng
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824-2320, USA
| | - Mina Yoon
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - Pengpeng Zhang
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824-2320, USA
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19
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Zhao H, Zhang S, Li S, Song X, Liu W, Liu B, Dong M. Investigation of the non-covalent interactions of molecular self-assembly by scanning tunneling microscopy using the association of aromatic structures in pyrene-4,5,9,10-tetraone and phenanthrene-9,10-dione molecules. RSC Adv 2015. [DOI: 10.1039/c5ra20316c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The self-assembled monolayers of aromatic molecules (pyrene-4,5,9,10-tetraone and phenanthrene-9,10-dione) were investigated at the liquid/solid (1-phenyloctane/graphite) interface using scanning tunneling microscopy, respectively.
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Affiliation(s)
- Huiling Zhao
- Institute of Photo-biophysics
- School of Physics and Electronics
- Henan University
- China
- Interdisciplinary Nanoscience Center (iNANO)
| | - Shuai Zhang
- Interdisciplinary Nanoscience Center (iNANO)
- Aarhus University
- DK 8000 Aarhus C
- Denmark
| | - Shuang Li
- School of Materials Science and Engineering
- Nanjing University of Science and Technology
- China
| | - Xin Song
- Interdisciplinary Nanoscience Center (iNANO)
- Aarhus University
- DK 8000 Aarhus C
- Denmark
| | - Wei Liu
- School of Materials Science and Engineering
- Nanjing University of Science and Technology
- China
| | - Bo Liu
- Institute of Photo-biophysics
- School of Physics and Electronics
- Henan University
- China
| | - Mingdong Dong
- Interdisciplinary Nanoscience Center (iNANO)
- Aarhus University
- DK 8000 Aarhus C
- Denmark
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