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Regensburg 2007 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 21: Solids at Low Temperature - Poster Session

TT 21.16: Poster

Wednesday, March 28, 2007, 14:00–17:45, Poster A

Thermally and Optically Switched Spin States in [Fe(pmd)(H2O){Au(CN)2}2] · H2O. A revised phase diagramVladimir Gnezdilov1, •Peter Lemmens2, Patric Scheib2, Yuri Georgii Pashkevich3, Karina V. Lamonova3, Elena S. Zhitlukhina3, Virgine Niel4, and Jose A. Real41Institute for Low Temperature Physics and Engineering, NASU, Kharkov, Ukraine — 2Institut für Physik der kondensierten Materie, TU-Braunschweig, Braunschweig — 3Donetsk Phystech, NASU, Ukraine — 4Institut de Cienca Molecular / Departement de Química Inorg ànica, Iniversitat de València

Raman scattering in the spin-crossover [Fe(pmd)(H2O){Au(CN)2}2] · H2O reveals a complex three-step spin-state transitions in contrast to observations in magnetization measurements. The switching between different spin states is recorded as function of temperature and irradiation with electromagnetic radiation in the visible spectral range. Work supported by DFG topical research center “Molecular Magnets” and ESF-HFM.

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