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A Multifunctional Magnetic Material under Pressure
Author(s) -
RodríguezVelamazán J. Alberto,
Fabelo Oscar,
Beavers Christine M.,
Natividad Eva,
Evangelisti Marco,
Roubeau Olivier
Publication year - 2014
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201402046
Subject(s) - antiferromagnetism , magnetometer , ambient pressure , spin crossover , neutron diffraction , condensed matter physics , materials science , spin (aerodynamics) , diffraction , atmospheric temperature range , nuclear magnetic resonance , physics , thermodynamics , magnetic field , optics , quantum mechanics
Fe II (Metz) 6 ](Fe III Br 4 ) 2 (Metz=1‐methyltetrazole) is one of the rare systems combining spin‐crossover and long‐range magnetic ordering. A joint neutron and X‐ray diffraction and magnetometry study allows determining its collinear antiferromagnetic structure, and shows an increase of the Néel temperature from 2.4 K at ambient pressure, to 3.9 K at 0.95 GPa. Applied pressure also enables a full high‐spin to low‐spin switch at ambient temperature.
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