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Article Dans Une Revue physica status solidi (c) Année : 2009

The photo-induced phase transition in Et2Me2Sb[Pd(dmit)2]2

Résumé

The large photo-induced change of reflectivity has been observed in the unique charge separated phase of the Et2Me2Sb[Pd(dmit)2]2 crystal. We observe a clear spectral change due to the disappearance of the charge separated phase by femtosecond photo-excitation in the [Pd(dmit)2] dimer. The dynamics of the photo-excited state depends on the excitation intensity. Obtained results strongly suggest that cooperative effect plays a key role in the photo-excited state of this system. We tentatively classify the observed phenomena as a photo-induced phase transition due to the melting of the charge separation.

Dates et versions

hal-00666931 , version 1 (06-02-2012)

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Tadahiko Ishikawa, Naoto Fukazawa, Yoshitaka Matsubara, Ryohei Nakajima, Ken Onda, et al.. The photo-induced phase transition in Et2Me2Sb[Pd(dmit)2]2. physica status solidi (c), 2009, 6 (1), pp.112-115. ⟨10.1002/PSSC.200879835⟩. ⟨hal-00666931⟩
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