PARADIS, Nicolas; CHASTANET, Guillaume; LÉTARD, Jean-François

doi:10.1002/ejic.201200297

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PARADIS, Nicolas
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

CHASTANET, Guillaume
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

LÉTARD, Jean-François
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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European Journal of Inorganic Chemistry. 2012 n° 22, p. 3618-3624

Wiley-VCH Verlag

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With the ultimate goal of rationally inducing overlap between the stable high spin state (HSSS) and the metastable high spin state (HSMS) generated by a rapid frozen effect, a series of [FexMn1-x(bpp)2](BF4)2 [bpp = 2,6-bis(pyrazol-3-yl)pyridine] complexes was prepared. For all the materials, the thermal spin crossover (SCO) properties were measured and the stability of the metastable HSMS state was probed through the determination of the T(TIESST) value associated with the Thermally-Induced Excited Spin-State Trapping effect. The overlap between the two systems was observed for x ≤ 0.90 and the consequences on the shape and the completeness of the SCO behavior were discussed.< Leer menos

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Coordination chemistry

Transition metals

Iron

Spin crossover

Magnetic properties

Metal dilution

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When stable and metastable HS states meet in spin-crossover compounds

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