LEGRAND, V.; CARBONERA, Chiara; PILLET, Sébastien; SOUHASSOU, Mohamed; LÉTARD, Jean-François; GUIONNEAU, Philippe; LECOMTE, Claude

doi:10.1088/1742-6596/21/1/012

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LEGRAND, V.
Cristallographie, Résonance Magnétique et Modélisations [CRM2]
Laboratoire de Cristallographie et modélisation des matériaux minéraux et biologiques [LCM3B]

CARBONERA, Chiara
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

PILLET, Sébastien
Laboratoire de Cristallographie et modélisation des matériaux minéraux et biologiques [LCM3B]
Cristallographie, Résonance Magnétique et Modélisations [CRM2]

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Journal of Physics: Conference Series. 2005-01-01, vol. 21, p. 73 - 80

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A photo-crystallographic study of Fe(btr)2(NCS)2 H2O was performed in order to describe the modification of structures and charge densities on going from the ground low spin (LS) state to the metastable high spin (HS) state during the LIESST phenomenon at 15 K. Related photo-magnetic and spectroscopic measurements are also described. We show that at 15 K, the thermally quenched and photo-induced structures of the metastable HS state are identical. For comparison, we also derived the structure of the HS and LS states at 130 K in the hysteresis loop; the thermal spin transition and the LIESST spin transition exhibit similar structural behaviours.< Leer menos

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Photo-crystallography: from the structure towards the electron density of metastable states

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