A μSR study of the spin-crossover
PRATT, Francis L.
ISIS Neutron and Muon Source [ISIS]
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ISIS Neutron and Muon Source [ISIS]
PRATT, Francis L.
ISIS Neutron and Muon Source [ISIS]
< Réduire
ISIS Neutron and Muon Source [ISIS]
Langue
en
Article de revue
Ce document a été publié dans
Journal of Physics and Chemistry of Solids. 2004, vol. 65, n° 1, p. 25-28
Elsevier
Résumé en anglais
The spin-crossover phenomenon is a cooperative low-spin to high-spin transition which can be initiated using temperature or light-irradiation. We have used muon-spin relaxation (μSR) to study this effect in Fe(PM-PEA)2(NCS)2 ...Lire la suite >
The spin-crossover phenomenon is a cooperative low-spin to high-spin transition which can be initiated using temperature or light-irradiation. We have used muon-spin relaxation (μSR) to study this effect in Fe(PM-PEA)2(NCS)2 and Fe(PMAzA)2(NCS)2. We find Gaussian or exponential muon relaxation in the high-spin phase for the two compounds, reflecting differences in their intermolecular interactions. For both compounds, the low-spin phase gives rise to root-exponential relaxation which we associate with a dilute distribution of fluctuating moments resulting from incomplete spin crossover.< Réduire
Mots clés en anglais
Spin
High spin
Light irradiation
Chemical compounds
Origine
Importé de halUnités de recherche