Quantum tunneling of the magnetization in the thermally activated regime has been studied on Fe-8 single crystals by frequency dependent specific heat measurements as a function of applied magnetic field. Curves are very well described by a microscopic theory based on phonon assisted spin tunneling. However, an additional peak appears that can be due to transitions in higher multiplets
Magnetic field dependent thermodynamics of Fe-8 single crystal in the thermally activated regime / Gaudin G; Gandit P; Chaussy J; Sessoli R. - In: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. - ISSN 0304-8853. - STAMPA. - 242:(2002), pp. 915-920. [10.1016/S0304-8853(01)01323-3]
Magnetic field dependent thermodynamics of Fe-8 single crystal in the thermally activated regime
SESSOLI, ROBERTA
2002
Abstract
Quantum tunneling of the magnetization in the thermally activated regime has been studied on Fe-8 single crystals by frequency dependent specific heat measurements as a function of applied magnetic field. Curves are very well described by a microscopic theory based on phonon assisted spin tunneling. However, an additional peak appears that can be due to transitions in higher multiplets
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