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Nikovskiy IA, Dorovatovskii PV, Novikov VV, Nelyubina YV. Bis(2,6-pyrazolyl)pyridines as a New Scaffold for Coordination Polymers. Molecules 2023; 28:molecules28114275. [PMID: 37298750 DOI: 10.3390/molecules28114275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/18/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
Two coordination polymers, Fe(LOBF3)(CH3COO)(CH3CN)2]n•nCH3CN and [Fe(LO-)2AgNO3BF4•CH3OH]n•1.75nCH3OH•nH2O (LO- = 3,3'-(4-(4-cyanophenyl)pyridine-2,6-diyl)bis(1-(2,6-dichlorophenyl)-1H-pyrazol-5-olate)), were obtained via a PCET-assisted process that uses the hydroxy-pyrazolyl moiety of the ligand and the iron(II) ion as sources of proton and electron, respectively. Our attempts to produce heterometallic compounds under mild conditions of reactant diffusion resulted in the first coordination polymer of 2,6-bis(pyrazol-3-yl)pyridines to retain the core N3(L)MN3(L). Under harsh solvothermal conditions, a hydrogen atom transfer to the tetrafluoroborate anion caused the transformation of the hydroxyl groups into OBF3 in the third coordination polymer of 2,6-bis(pyrazol-3-yl)pyridines. This PCET-assisted approach may be applicable to produce coordination polymers and metal-organic frameworks with the SCO-active core N3(L)MN3(L) formed by pyrazolone- and other hydroxy-pyridine-based ligands.
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Affiliation(s)
- Igor A Nikovskiy
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Street 28, 119991 Moscow, Russia
| | - Pavel V Dorovatovskii
- National Research Centre "Kurchatov Institute", Akademika Kurchatova pl. 1, 123182 Moscow, Russia
| | - Valentin V Novikov
- Moscow Institute of Physics and Technology, National Research University, Institutskiy per. 9, 141700 Dolgoprudny, Russia
| | - Yulia V Nelyubina
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Street 28, 119991 Moscow, Russia
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2
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Reddy IR, Tarafder K. Theoretical Investigations of Electronic Structure and Magnetic and Optical Properties of Transition-Metal Dinuclear Molecules. ACS OMEGA 2020; 5:24520-24525. [PMID: 33015469 PMCID: PMC7528315 DOI: 10.1021/acsomega.0c02992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 08/31/2020] [Indexed: 06/11/2023]
Abstract
In this work, we have reported the electronic structure, spin state, and optical properties of a new class of transition-metal (TM) dinuclear molecules (TM = Cr, Mn, Fe, Co, and Ni). The stability of these molecules has been analyzed from the vibration spectra obtained by using density functional theory (DFT) calculations. The ground-state spin configuration of the tetra-coordinated TM atom in each molecule has been predicted from the relative total energy differences in different spin states of the molecule. The DFT + U method has been used to investigate the precise ground-state spin configuration of each molecule. We further performed time-dependent DFT calculations to study the optical properties of these molecules. The planar geometric structure remains intact in most of the cases; hence, these molecules are expected to be well adsorbed and self-assembled on metal substrates. In addition, the optical characterization of these molecules indicates that the absorption spectra have a large peak in the blue-light wavelength range; therefore, it could be suitable for advanced optoelectronic device applications. Our work promotes further computational and experimental studies on TM dinuclear molecules in the field of molecular spintronics and optoelectronics.
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Chorazy S, Zakrzewski JJ, Magott M, Korzeniak T, Nowicka B, Pinkowicz D, Podgajny R, Sieklucka B. Octacyanidometallates for multifunctional molecule-based materials. Chem Soc Rev 2020; 49:5945-6001. [PMID: 32685956 DOI: 10.1039/d0cs00067a] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Octacyanidometallates have been successfully employed in the design of heterometallic coordination systems offering a spectacular range of desired physical properties with great potential for technological applications. The [M(CN)8]n- ions comprise a series of complexes of heavy transition metals in high oxidation states, including NbIV, MoIV/V, WIV/V, and ReV. Since the discovery of the pioneering bimetallic {MnII4[MIV(CN)8]2} and {MnII9[MV(CN)8]6} (M = Mo, W) molecules in 2000, octacyanidometallates were fruitfully explored as precursors for the construction of diverse d-d or d-f coordination clusters and frameworks which could be obtained in the crystalline form under mild synthetic conditions. The primary interest in [M(CN)8]n--based networks was focused on their application as molecule-based magnets exhibiting long-range magnetic ordering resulting from the efficient intermetallic exchange coupling mediated by cyanido bridges. However, in the last few years, octacyanidometallate-based materials proved to offer varied and remarkable functionalities, becoming efficient building blocks for the construction of molecular nanomagnets, magnetic coolers, spin transition materials, photomagnets, solvato-magnetic materials, including molecular magnetic sponges, luminescent magnets, chiral magnets and photomagnets, SHG-active magnetic materials, pyro- and ferroelectrics, ionic conductors as well as electrochemical containers. Some of these materials can be processed into the nanoscale opening the route towards the development of magnetic, optical and electronic devices. In this review, we summarise all important achievements in the field of octacyanidometallate-based functional materials, with the particular attention to the most recent advances, and present a thorough discussion on non-trivial structural and electronic features of [M(CN)8]n- ions, which are purposefully explored to introduce desired physical properties and their combinations towards advanced multifunctional materials.
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Affiliation(s)
- Szymon Chorazy
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Jakub J Zakrzewski
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Michał Magott
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Tomasz Korzeniak
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Beata Nowicka
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Dawid Pinkowicz
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Robert Podgajny
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
| | - Barbara Sieklucka
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland.
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4
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Cirera J, Ruiz E. Assessment of the SCAN Functional for Spin-State Energies in Spin-Crossover Systems. J Phys Chem A 2020; 124:5053-5058. [PMID: 32449616 DOI: 10.1021/acs.jpca.0c03758] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The strongly constrained and appropriately normed (SCAN) functional has been tested toward the calculation of spin-state energy differences in a data set of 20 spin-crossover (SCO) systems, ranging from d4 to d7. Results show that the SCAN functional is able to correctly predict the low-spin state as the ground state for all systems, and the energy window provided by the calculations falls in the approximate range of energies that will allow for SCO to occur. Moreover, the SCAN functional can be used in periodic boundary condition calculations, accounting for the effect of collective crystal vibrations and counterions in the thermochemistry of the spin transition. Our results validate this functional as a potential method for in silico screening of new SCO systems at both, molecular and crystal-packed levels.
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Affiliation(s)
- Jordi Cirera
- Departament de Quı́mica Inorgànica i Orgànica and Institut de Recerca de Quı́mica Teòrica i Computacional, Universitat de Barcelona, Diagonal 645, 08028 Barcelona, Spain
| | - Eliseo Ruiz
- Departament de Quı́mica Inorgànica i Orgànica and Institut de Recerca de Quı́mica Teòrica i Computacional, Universitat de Barcelona, Diagonal 645, 08028 Barcelona, Spain
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Chakraborty A, Chakraborty A, Ghosh S, Dasgupta I. Theoretical analysis of pressure induced spin crossover phenomenon in a di-nuclear Fe(II) molecular complex. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2020; 32:165802. [PMID: 31822644 DOI: 10.1088/1361-648x/ab6044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We have studied a Fe-based di-nuclear molecular complex having the chemical formula [{Fe(bpp)(NCS)2}2([Formula: see text]'-bipy)]·2MeOH (where bpp = [Formula: see text]-bis(pyrazol-3-yl) pyridine and [Formula: see text]'-bipy = [Formula: see text]'-bipyridine, 1) using density functional theory and model Hamiltonian approach. Our study provides insight to the pressure driven spin-crossover (SCO) phenomena observed experimentally in these systems. Upon increasing the pressure, the spin state of Fe(II) cation gradually changes from a high spin state (S =2) to a low spin (LS) state (S =0) accompanied by volume contraction. The gradual increase in pressure shrinks Fe-N bond length and also causes angular deviation of the FeN6 octahedron leading to full conversion to the LS state without global structural phase transition. We have carried out exact diagonalization study of an effective single site Hamiltonian and confirmed the importance of intramolecular interaction for SCO phenomena. We have investigated the cooperativity of the observed SCO phenomena. We have also studied the effect of Co doping on the spin state of Fe and find that the spin state of Fe has a subtle dependency on the concentration of dopant atoms. Excess Co doping pave the way towards the possibility of an intermediate spin state for Fe and can give rise to a bistable spin transition process.
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Affiliation(s)
- Atasi Chakraborty
- School of Physical Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
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6
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Bigdeli F, Lollar CT, Morsali A, Zhou H. Schalten in Metall‐organischen Gerüsten. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900666] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Fahime Bigdeli
- Department of Chemistry Faculty of Sciences Tarbiat Modares University P.O. Box 14155-4838 Teheran Iran
| | | | - Ali Morsali
- Department of Chemistry Faculty of Sciences Tarbiat Modares University P.O. Box 14155-4838 Teheran Iran
| | - Hong‐Cai Zhou
- Department of Chemistry Texas A&M University College Station TX 77843 USA
- Department of Materials Science and Engineering Texas A&M University College Station TX 77843 USA
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7
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Bigdeli F, Lollar CT, Morsali A, Zhou H. Switching in Metal–Organic Frameworks. Angew Chem Int Ed Engl 2019; 59:4652-4669. [DOI: 10.1002/anie.201900666] [Citation(s) in RCA: 119] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Fahime Bigdeli
- Department of Chemistry Faculty of Sciences Tarbiat Modares University P.O. Box 14155-4838 Tehran Iran
| | | | - Ali Morsali
- Department of Chemistry Faculty of Sciences Tarbiat Modares University P.O. Box 14155-4838 Tehran Iran
| | - Hong‐Cai Zhou
- Department of Chemistry Texas A&M University College Station TX 77843 USA
- Department of Materials Science and Engineering Texas A&M University College Station TX 77843 USA
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8
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Rouhani F, Gharib B, Morsali A. Solvent switching smart metal–organic framework as a catalyst of reduction and condensation. Inorg Chem Front 2019. [DOI: 10.1039/c9qi00714h] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The organization of a Zn-based metal–organic framework (MOF) as the first solvent switching catalyst has been achieved via in situ ligand incorporation.
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Affiliation(s)
- Farzaneh Rouhani
- Department of Chemistry
- Faculty of Sciences
- Tarbiat Modares University
- Tehran
- Iran
| | - Behnam Gharib
- Department of Chemistry
- Faculty of Sciences
- Tarbiat Modares University
- Tehran
- Iran
| | - Ali Morsali
- Department of Chemistry
- Faculty of Sciences
- Tarbiat Modares University
- Tehran
- Iran
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9
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Interfacial Spin Manipulation of Nickel-Quinonoid Complex Adsorbed on Co(001) Substrate. MAGNETOCHEMISTRY 2018. [DOI: 10.3390/magnetochemistry5010002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We studied the structural, electronic, and magnetic properties of a recently synthesized Ni(II)-quinonoid complex upon adsorption on a magnetic Co(001) substrate. Our density functional theory + U (DFT+U) calculations predict that the molecule undergoes a spin-state switching from low-spin S = 0 in the gas phase to high-spin S ≈ 1 when adsorbed on the Co(001) surface. A strong covalent interaction of the quinonoid rings and surface atoms leads to an increase of the Ni–O(N) bond lengths in the chemisorbed molecule that support the spin-state switching. Our DFT+U calculations show that the molecule is ferromagnetically coupled to the substrate. The Co surface–Ni center exchange mechanism was carefully investigated. We identified an indirect exchange interaction via the quinonoid ligands that stabilizes the molecule’s spin moment in ferromagnetic alignment with the Co surface magnetization.
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10
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Design and Control of Cooperativity in Spin-Crossover in Metal–Organic Complexes: A Theoretical Overview. INORGANICS 2017. [DOI: 10.3390/inorganics5030047] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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11
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Abstract
The field of molecular spintronics exploits the properties of organic molecules possessing a magnetic moment, either native in the form of radicals or induced by the insertion of transition metal magnetic ions. To realize logic or storage molecular spin-tronics devices, molecules with stable different magnetic states should be deposited on a substrate, and switching between the states controllably achieved. By means of a first-principles calculations, we have devised a functional molecule exhibiting different magnetic states upon structural changes induced by current injection. We investigate the prototypical case of non-planar M-Phthalocyanine (MPc), where M is a transition-metal ion belonging to the 4d and 5d series. We find that for ZrPc and HfPc deposited on a graphene decorated Ni(111) substrate, two different structural conformations could be stabilized, for which the molecules attain different magnetic states depending on the position of the M ion - whether above the Pc or between the Pc and the substrate -, acting therefore as molecular magnetic button. Our work indicates an intuitive way to engineer a magnetic molecular switch with tailored properties, starting from the knowledge of the basic atomic properties of elements and surfaces.
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12
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Musfeldt JL, O'Neal KR, Brinzari TV, Chen P, Schlueter JA, Manson JL, Litvinchuk AP, Liu Z. Pressure-Temperature Phase Diagram Reveals Spin-Lattice Interactions in Co[N(CN) 2] 2. Inorg Chem 2017; 56:4950-4955. [PMID: 28414436 DOI: 10.1021/acs.inorgchem.6b03097] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Diamond anvil cell techniques, synchrotron-based infrared and Raman spectroscopies, and lattice dynamics calculations are combined with prior magnetic property work to reveal the pressure-temperature phase diagram of Co[N(CN)2]2. The second-order structural boundaries converge on key areas of activity involving the spin state exposing how the pressure-induced local lattice distortions trigger the ferromagnetic → antiferromagnetic transition in this quantum material.
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Affiliation(s)
- J L Musfeldt
- Department of Chemistry, University of Tennessee , Knoxville, Tennessee 37996, United States
| | - K R O'Neal
- Department of Chemistry, University of Tennessee , Knoxville, Tennessee 37996, United States
| | - T V Brinzari
- Department of Chemistry, University of Tennessee , Knoxville, Tennessee 37996, United States
| | - P Chen
- Department of Chemistry, University of Tennessee , Knoxville, Tennessee 37996, United States
| | - J A Schlueter
- Division of Materials Research, National Science Foundation , Arlington, Virginia 22230, United States
| | - J L Manson
- Department of Chemistry and Biochemistry, Eastern Washington University , Cheney, Washington 99004, United States
| | - A P Litvinchuk
- Texas Center for Superconductivity and Department of Physics, University of Houston , Houston, Texas 77204, United States
| | - Z Liu
- Geophysical Laboratory, Carnegie Institution of Washington , Washington, D.C. 20015, United States
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13
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Ioannidis EI, Kulik HJ. Ligand-Field-Dependent Behavior of Meta-GGA Exchange in Transition-Metal Complex Spin-State Ordering. J Phys Chem A 2017; 121:874-884. [DOI: 10.1021/acs.jpca.6b11930] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Efthymios I. Ioannidis
- Department
of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Heather J. Kulik
- Department
of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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14
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Morari C, Buimaga-Iarinca L, Rungger I, Sanvito S, Melinte S, Rignanese GM. Charge and spin transport in single and packed ruthenium-terpyridine molecular devices: Insight from first-principles calculations. Sci Rep 2016; 6:31856. [PMID: 27550064 PMCID: PMC4994010 DOI: 10.1038/srep31856] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 07/28/2016] [Indexed: 01/17/2023] Open
Abstract
Using first-principles calculations, we study the electronic and transport properties of rutheniumterpyridine molecules sandwiched between two Au(111) electrodes. We analyse both single and packed molecular devices, more amenable to scaling and realistic integration approaches. The devices display all together robust negative differential resistance features at low bias voltages. Remarkably, the electrical control of the spin transport in the studied systems implies a subtle distribution of the magnetisation density within the biased devices and highlights the key role of the Au(111) electrical contacts.
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Affiliation(s)
- C. Morari
- National Institute for Research and Development of Isotopic and Molecular Technologies (NIRDIMT), 65-103 Donath, Ro-400293, Cluj-Napoca, Romania
| | - L. Buimaga-Iarinca
- National Institute for Research and Development of Isotopic and Molecular Technologies (NIRDIMT), 65-103 Donath, Ro-400293, Cluj-Napoca, Romania
| | - I. Rungger
- School of Physics and CRANN, Trinity College, Dublin 2, Ireland
- National Physical Laboratory, Teddington, TW11 0LW, United Kingdom
| | - S. Sanvito
- School of Physics and CRANN, Trinity College, Dublin 2, Ireland
| | - S. Melinte
- ICTM Institute, Université catholique de Louvain, 1348 Louvain-la-Neuve, Belgium
| | - G.-M. Rignanese
- IMCN Institute, Université catholique de Louvain, 1348 Louvain-la-Neuve, Belgium
- European Theoretical Spectroscopy Facility (ETSF), 1348 Louvain-la-Neuve, Belgium
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15
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Abstract
The study of spin crossover compounds by means of theoretical or experimental approaches has provided interesting results in recent decades. The main feature of such compounds is the change in the spin state induced by many different external stimuli, i.e. temperature, light, pressure, solvent coordination and the electric field. Spin crossover systems are potentially more useful than other magnetic molecules because their switching behaviour can occur closer to room temperature, and they are thus candidates for use in spintronic devices. Here, I review the state of the art in quantum chemical approaches to the study of such systems and discuss experiments that have focused on transport properties in single-molecule, nano-objects or thin-film spin crossover systems.
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Affiliation(s)
- Eliseo Ruiz
- Departament de Química Inorgànica and Centre de Recerca en Química Teòrica, Universitat de Barcelona, Diagonal 645, 08028 Barcelona, Spain.
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16
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Rahman M, Nie YZ, Guo GH. Electronic structures and magnetism of SrFeO2 under pressure: a first-principles study. Inorg Chem 2013; 52:12529-34. [PMID: 24152234 DOI: 10.1021/ic401615r] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We have studied the electronic structures and magnetism of SrFeO2 under pressure by first-principles calculations in the framework of density functional theory (DFT) with GGA+U and HSE06 hybrid functionals, respectively. The pressure-induced spin transition from S = 2 to S = 1 and the antiferromagnetic-ferromagnetic (AFM-FM) transition observed in experiment are well reproduced by taking the site repulsion U and its pressure dependence into account. The electronic structure and its change with the pressure can be qualitatively understood in an ionic model together with the hybridization effects between the Fe 3d and O 2p states. It is found that the pressure leads to a change in Fe 3d electronic configuration from (d(z(2)))(2)(d(xz)d(yz))(2)(d(xy))(1)(d(x(2)-y(2)))(1) under ambient conditions to (d(z(2)))(2)(d(xz)d(yz))(3)(d(xy))(1)(d(x(2)-y(2)))(0) at high pressure. As a result, the spin state transits from S = 2 to S = 1 and both the antiferromagnetic intralayer Fe-O-Fe superexchange interaction and the interlayer Fe-Fe direction exchange coupling at ambient pressure become ferromagnetic at high pressure according to the Goodenough-Kanamori (G-K) rules. Additionally, our calculations predict another spin transition from S = 1 to S = 0 at pressures of about 220 GPa.
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Affiliation(s)
- Mavlanjan Rahman
- School of Physics and Electronics, Central South University , Changsha 410083, People's Republic of China
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17
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Paulsen H, Schünemann V, Wolny JA. Progress in Electronic Structure Calculations on Spin-Crossover Complexes. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201201289] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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