Articles with "spin transition" as a keyword



Direct Visualization of Local Spin Transition Behaviors in Thin Molecular Films by Bimodal AFM.

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Published in 2019 at "Small"

DOI: 10.1002/smll.201903892

Abstract: Thin films of the molecular spin-crossover complex [Fe(HB(1,2,4-triazol-1-yl)3 )2 ] undergo spin transition above room temperature, which can be exploited in sensors, actuators, and information processing devices. Variable temperature viscoelastic mapping of the films by… read more here.

Keywords: direct visualization; spin transition; spin; visualization local ... See more keywords

Electrical conductivity of siderite and the effect of the spin transition of iron

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Published in 2024 at "Physics and Chemistry of Minerals"

DOI: 10.1007/s00269-024-01283-8

Abstract: We have conducted electrical conductivity measurements of FeCO_3 siderite under high pressure up to 63 GPa in order to understand the nature and effect of iron spin transition and its influence on the geophysical properties… read more here.

Keywords: iron; transition; electrical conductivity; spin transition ... See more keywords

Spin transition characteristics of molecular solvates of CuII complexes with nitroxides: sensitivity to the packing type

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Published in 2019 at "Russian Chemical Bulletin"

DOI: 10.1007/s11172-019-2480-9

Abstract: A method for the synthesis of solvates of dinuclear heterospin complexes of bis(hexafluoroacetylacetonato)copper(ii) with 2-(4-methylpyridin-3-yl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazole-3-oxide-1-oxyl (LMe) and 2-(4-ethylpyridin-3-yl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazole-3-oxide-1-oxyl (LEt) of the composition [Cu(hfac)2LR]2 · Solv (Solv = benzene, bromobenzene, toluene, o-xylene, p-xylene) was developed. It… read more here.

Keywords: spin transition; transition characteristics; 2lr solv; hfac 2lr ... See more keywords

Cooperative spin transition in a 1D-polymeric complex [Fe(4-ethyl-1,2,4-triazole)3]SiF6·nH2O

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Published in 2020 at "Inorganica Chimica Acta"

DOI: 10.1016/j.ica.2020.119560

Abstract: Abstract A new 1D-polymeric iron(II)-1,2,4-triazole complex, [Fe(EtTrz)3]SiF6·nH2O (EtTrz = 4-ethyl-1,2,4-triazole, n = 1, 0), demonstrates cooperative spin transition above room temperature. Under vacuum the complex loses its water molecules and shows an abrupt and reproducible spin transition with thermal… read more here.

Keywords: spin transition; spin; triazole; sif6 nh2o ... See more keywords

Manipulating Spin Transition To Achieve Switchable Multifunctions.

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Published in 2019 at "Accounts of chemical research"

DOI: 10.1021/acs.accounts.9b00049

Abstract: The spin transition of metal ions involves interconversion between electron configurations exhibiting considerably different functions and plays a substantial role in the chemical, physical, and biological fields. The photoinduced spin transition offers a promising approach… read more here.

Keywords: spin transition; transition; manipulating spin; photoinduced spin ... See more keywords

Spin-Transition-Like Behavior in [Cu(pyNO)X2] (pyNO = tert-Butyl 2-Pyridyl Nitroxide): 113 K Hysteresis for X = Cl and Incomplete Crossover for X = Br.

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Published in 2025 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.5c01129

Abstract: The complexation of CuX2 with tert-butyl 2-pyridyl nitroxide (pyNO) resulted in the formation of a linear array of discrete 2p-3d dyads, [Cu(pyNO)X2] (X = Br, Cl). Powder X-ray diffraction studies suggest that the two compounds… read more here.

Keywords: butyl pyridyl; pyno; spin transition; geometry ... See more keywords

DFT Analysis of Spin Crossover in Mn(III) Complexes: Is a Two-Electron S = 2 to S = 0 Spin Transition Feasible?

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Published in 2017 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.6b02793

Abstract: Six-coordinate, rigorously octahedral d4 Mn(III) spin crossover (SCO) complexes are limited by symmetry to an S = 1 (intermediate spin, IS) to S = 2 (high spin, HS) transition. In order to realize the potential… read more here.

Keywords: spin transition; transition; spin crossover; iii complexes ... See more keywords

Magnetic-Field-Induced Spin Transition in Single-Atom Catalysts for Nitrate Electrolysis to Ammonia

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Published in 2025 at "Nano Letters"

DOI: 10.1021/acs.nanolett.5c01516

Abstract: Electrochemical nitrate reduction (NitRR) using single-atom catalysts (SACs) offers a promising pathway for sustainable ammonia production. Herein, we explore the use of external magnetic fields to regulate the spin state of Ru SACs supported on… read more here.

Keywords: field; atom catalysts; spin transition; magnetic field ... See more keywords
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Strain-Controlled Spin Transition in Heterostructured Metal-Organic Framework Thin Film.

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Published in 2021 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.1c06662

Abstract: Metal-organic framework (MOF) thin films have recently attracted much attention as a new platform for surface/interface research, where unconventional structural and physical properties emerge. Among the many MOFs as candidates for fabrication of thin films,… read more here.

Keywords: spin transition; transition; metal organic; thin film ... See more keywords

105 K Wide Room Temperature Spin Transition Memory Due to a Supramolecular Latch Mechanism

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.2c05417

Abstract: Little is known about the mechanisms behind the bistability (memory) of molecular spin transition compounds over broad temperature ranges (>100 K). To address this point, we report on a new discrete FeII neutral complex [FeIIL2]0… read more here.

Keywords: supramolecular latch; 105 wide; temperature; memory ... See more keywords

Spin Transition of Iron in δ‐(Al,Fe)OOH Induces Thermal Anomalies in Earth's Lower Mantle

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Published in 2020 at "Geophysical Research Letters"

DOI: 10.1029/2020gl087036

Abstract: Seismic anomalies observed in Earth's deep mantle are conventionally considered to be associated with thermal and compositional anomalies, and possibly partial melt of major lower‐mantle phases. However, through deep water cycle, impacts of hydrous minerals… read more here.

Keywords: mantle; lower mantle; spin transition; thermal conductivity ... See more keywords