Microstructural study of (Ag(2)S)(x)(GeS(2))(100-x) and (Ag(2)S)(x)(GeS)(60)(GeS(2))(40-x) glasses - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue AIP Conference Proceedings Année : 2011

Microstructural study of (Ag(2)S)(x)(GeS(2))(100-x) and (Ag(2)S)(x)(GeS)(60)(GeS(2))(40-x) glasses

Résumé

The combined investigation of electrical conductivity by complex impedance spectroscopy and microstructure by Electric Field Microscopy (EFM) helped us to characterize the electrical heterogeneousness existing in several Ag-Ge-S glasses. While the (Ag2S)x(GeS)60(GeS2)40-x glasses were shown to be homogeneous, (Ag2S)x(GeS2)100-x glasses show heterogeneousness. Such heterogeneousness is the electrical signature of a phase separation existing in the glasses. The obtained data helped in understanding the difference of 4-5 orders of magnitude in the conductivity of the system.
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Dates et versions

hal-00671305 , version 1 (17-02-2012)

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Andrea Piarristeguy, Michel Ramonda, Michel Ribes, Annie Pradel. Microstructural study of (Ag(2)S)(x)(GeS(2))(100-x) and (Ag(2)S)(x)(GeS)(60)(GeS(2))(40-x) glasses. AIP Conference Proceedings, 2011, 1393, pp.7-10. ⟨10.1063/1.3653595⟩. ⟨hal-00671305⟩
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