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MacManus-Driscoll JL, Wu R, Li W. Interface-related phenomena in epitaxial complex oxide ferroics across different thin film platforms: opportunities and challenges. MATERIALS HORIZONS 2023; 10:1060-1086. [PMID: 36815609 PMCID: PMC10068909 DOI: 10.1039/d2mh01527g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
Interfaces in complex oxides give rise to fascinating new physical phenomena arising from the interconnected spin, lattice, charge and orbital degrees of freedom. Most commonly, interfaces are engineered in epitaxial superlattice films. Of growing interest also are epitaxial vertically aligned nanocomposite films where interfaces form by self-assembly. These two thin film forms offer different capabilities for materials tuning and have been explored largely separately from one another. Ferroics (ferroelectric, ferromagnetic, multiferroic) are among the most fascinating phenomena to be manipulated using interface effects. Hence, in this review we compare and contrast the ferroic properties that arise in these two different film forms, highlighting exemplary materials combinations which demonstrate novel, enhanced and/or emergent ferroic functionalities. We discuss the origins of the observed functionalities and propose where knowledge can be translated from one materials form to another, to potentially produce new functionalities. Finally, for the two different film forms we present a perspective on underexplored/emerging research directions.
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Affiliation(s)
| | - Rui Wu
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, CB3 0FS, UK.
- Spin-X Institute, School of Physics and Optoelectronics, State Key Laboratory of Luminescent Materials and Devices, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, South China University of Technology, Guangzhou 511442, China
| | - Weiwei Li
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, CB3 0FS, UK.
- MIIT Key Laboratory of Aerospace Information Materials and Physics, State Key Laboratory of Mechanics and Control of Mechanical Structures, College of Physics, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
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Yun C, Li W, Gao X, Dou H, Maity T, Sun X, Wu R, Peng Y, Yang J, Wang H, MacManus-Driscoll JL. Creating Ferromagnetic Insulating La 0.9Ba 0.1MnO 3 Thin Films by Tuning Lateral Coherence Length. ACS APPLIED MATERIALS & INTERFACES 2021; 13:8863-8870. [PMID: 33586975 PMCID: PMC8023513 DOI: 10.1021/acsami.1c00607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 01/28/2021] [Indexed: 06/12/2023]
Abstract
In this work, heteroepitaxial vertically aligned nanocomposite (VAN) La0.9Ba0.1MnO3 (LBMO)-CeO2 films are engineered to produce ferromagnetic insulating (FMI) films. From combined X-ray photoelectron spectroscopy, X-ray diffraction, and electron microscopy, the elimination of the insulator-metal (I-M) transition is shown to result from the creation of very small lateral coherence lengths (with the corresponding lateral size ∼ 3 nm (∼7 u.c.)) in the LBMO matrix, achieved by engineering a high density of CeO2 nanocolumns in the matrix. The small lateral coherence length leads to a shift in the valence band maximum and reduction of the double exchange (DE) coupling. There is no "dead layer" effect at the smallest achieved lateral coherence length of ∼3 nm. The FMI behavior obtained by lateral dimensional tuning is independent of substrate interactions, thus intrinsic to the film itself and hence not related to film thickness. The unique properties of VAN films give the possibility for multilayer spintronic devices that can be made without interface degradation effects between the layers.
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Affiliation(s)
- Chao Yun
- Department
of Materials Science and Metallurgy, University
of Cambridge, 27 Charles Babbage Road, Cambridge CB3 0FS, United Kingdom
- State
Key Laboratory for Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China
| | - Weiwei Li
- Department
of Materials Science and Metallurgy, University
of Cambridge, 27 Charles Babbage Road, Cambridge CB3 0FS, United Kingdom
| | - Xingyao Gao
- Materials
Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Hongyi Dou
- Materials
Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Tuhin Maity
- Department
of Materials Science and Metallurgy, University
of Cambridge, 27 Charles Babbage Road, Cambridge CB3 0FS, United Kingdom
- School
of Physics, Indian Institute of Science
Education and Research Thiruvananthapuram, Thiruvananthapuram, Kerala 695551, India
| | - Xing Sun
- Materials
Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Rui Wu
- Department
of Materials Science and Metallurgy, University
of Cambridge, 27 Charles Babbage Road, Cambridge CB3 0FS, United Kingdom
| | - Yuxuan Peng
- State
Key Laboratory for Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China
| | - Jinbo Yang
- State
Key Laboratory for Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China
| | - Haiyan Wang
- Materials
Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Judith L. MacManus-Driscoll
- Department
of Materials Science and Metallurgy, University
of Cambridge, 27 Charles Babbage Road, Cambridge CB3 0FS, United Kingdom
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Chen A, Dai Y, Eshghinejad A, Liu Z, Wang Z, Bowlan J, Knall E, Civale L, MacManus‐Driscoll JL, Taylor AJ, Prasankumar RP, Lookman T, Li J, Yarotski D, Jia Q. Competing Interface and Bulk Effect-Driven Magnetoelectric Coupling in Vertically Aligned Nanocomposites. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1901000. [PMID: 31592418 PMCID: PMC6774036 DOI: 10.1002/advs.201901000] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 06/11/2019] [Indexed: 05/31/2023]
Abstract
Room-temperature magnetoelectric (ME) coupling is developed in artificial multilayers and nanocomposites composed of magnetostrictive and electrostrictive materials. While the coupling mechanisms and strengths in multilayers are widely studied, they are largely unexplored in vertically aligned nanocomposites (VANs), even though theory has predicted that VANs exhibit much larger ME coupling coefficients than multilayer structures. Here, strong transverse and longitudinal ME coupling in epitaxial BaTiO3:CoFe2O4 VANs measured by both optical second harmonic generation and piezoresponse force microscopy under magnetic fields is reported. Phase field simulations have shown that the ME coupling strength strongly depends on the vertical interfacial area which is ultimately controlled by pillar size. The ME coupling in VANs is determined by the competition between the vertical interface coupling effect and the bulk volume conservation effect. The revealed mechanisms shed light on the physical insights of vertical interface coupling in VANs in general, which can be applied to a variety of nanocomposites with different functionalities beyond the studied ME coupling effect.
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Affiliation(s)
- Aiping Chen
- Center for Integrated Nanotechnologies (CINT)Los Alamos National LaboratoryLos AlamosNM87545USA
| | - Yaomin Dai
- Center for Integrated Nanotechnologies (CINT)Los Alamos National LaboratoryLos AlamosNM87545USA
| | - Ahmad Eshghinejad
- Department of Mechanical EngineeringUniversity of WashingtonSeattleWA98195USA
| | - Zhen Liu
- Theoretical DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Zhongchang Wang
- Department of Quantum and Energy MaterialsInternational Iberian Nanotechnology LaboratoryBraga4715‐330Portugal
| | - John Bowlan
- Center for Integrated Nanotechnologies (CINT)Los Alamos National LaboratoryLos AlamosNM87545USA
| | - Erik Knall
- Center for Integrated Nanotechnologies (CINT)Los Alamos National LaboratoryLos AlamosNM87545USA
| | | | - Judith L. MacManus‐Driscoll
- Department of Materials Science and MetallurgyUniversity of Cambridge27 Charles Babbage Rd.CambridgeCB3 OFSUK
| | - Antoinette J. Taylor
- Center for Integrated Nanotechnologies (CINT)Los Alamos National LaboratoryLos AlamosNM87545USA
| | - Rohit P. Prasankumar
- Center for Integrated Nanotechnologies (CINT)Los Alamos National LaboratoryLos AlamosNM87545USA
| | - Turab Lookman
- Theoretical DivisionLos Alamos National LaboratoryLos AlamosNM87545USA
| | - Jiangyu Li
- Department of Mechanical EngineeringUniversity of WashingtonSeattleWA98195USA
| | - Dmitry Yarotski
- Center for Integrated Nanotechnologies (CINT)Los Alamos National LaboratoryLos AlamosNM87545USA
| | - Quanxi Jia
- Department of Materials Design and InnovationUniversity at Buffalo—The State University of New YorkBuffaloNY14260USA
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Strkalj N, Gradauskaite E, Nordlander J, Trassin M. Design and Manipulation of Ferroic Domains in Complex Oxide Heterostructures. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E3108. [PMID: 31554210 PMCID: PMC6803956 DOI: 10.3390/ma12193108] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 09/16/2019] [Accepted: 09/18/2019] [Indexed: 02/06/2023]
Abstract
The current burst of device concepts based on nanoscale domain-control in magnetically and electrically ordered systems motivates us to review the recent development in the design of domain engineered oxide heterostructures. The improved ability to design and control advanced ferroic domain architectures came hand in hand with major advances in investigation capacity of nanoscale ferroic states. The new avenues offered by prototypical multiferroic materials, in which electric and magnetic orders coexist, are expanding beyond the canonical low-energy-consuming electrical control of a net magnetization. Domain pattern inversion, for instance, holds promises of increased functionalities. In this review, we first describe the recent development in the creation of controlled ferroelectric and multiferroic domain architectures in thin films and multilayers. We then present techniques for probing the domain state with a particular focus on non-invasive tools allowing the determination of buried ferroic states. Finally, we discuss the switching events and their domain analysis, providing critical insight into the evolution of device concepts involving multiferroic thin films and heterostructures.
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Affiliation(s)
- Nives Strkalj
- Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 4, 8093 Zurich, Switzerland.
| | - Elzbieta Gradauskaite
- Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 4, 8093 Zurich, Switzerland
| | - Johanna Nordlander
- Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 4, 8093 Zurich, Switzerland
| | - Morgan Trassin
- Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 4, 8093 Zurich, Switzerland.
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