Ionic conductivity of Agx(GeSe3)1-x (0≤x≤ 0.571) glasses

Manabu Kawasaki; Junichi Kawamura; Yoshio Nakamura; Masaru Aniya

doi:10.1016/s0167-2738(99)00117-4

Ionic conductivity of Ag_x(GeSe₃)_1-x (0≤x≤ 0.571) glasses

Manabu Kawasaki, Junichi Kawamura, Yoshio Nakamura, Masaru Aniya

Research output: Contribution to journal › Article › peer-review

76 Citations (Scopus)

Abstract

Electrical properties of Ag_x(GeSe₃)_1-x (0≤x≤0.571) glasses were investigated by impedance spectra and EMF measurements. As the concentration of silver is increased the total electrical conductivity steeply increases from 10^-14 S/cm to 10^-3 S/cm at about x = 0.3. This rapid increase is chiefly due to an appearance of silver ion migration. Glass transition temperature showed a minimum at x = 0.33 above which a first sharp diffraction-peak in powder X-ray diffraction diminishes. This unusual transition supports a percolation hypothesis on photo-dissolution of silver in these glasses.

Original language	English
Pages (from-to)	259-269
Number of pages	11
Journal	Solid State Ionics
Volume	123
Issue number	1-4
DOIs	https://doi.org/10.1016/s0167-2738(99)00117-4
Publication status	Published - 1999
Externally published	Yes

Keywords

Ag(GeSe)
Glass
Ionic conductivity

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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abstract = "Electrical properties of Agx(GeSe3)1-x (0≤x≤0.571) glasses were investigated by impedance spectra and EMF measurements. As the concentration of silver is increased the total electrical conductivity steeply increases from 10-14 S/cm to 10-3 S/cm at about x = 0.3. This rapid increase is chiefly due to an appearance of silver ion migration. Glass transition temperature showed a minimum at x = 0.33 above which a first sharp diffraction-peak in powder X-ray diffraction diminishes. This unusual transition supports a percolation hypothesis on photo-dissolution of silver in these glasses.",

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T1 - Ionic conductivity of Agx(GeSe3)1-x (0≤x≤ 0.571) glasses

AU - Kawasaki, Manabu

AU - Kawamura, Junichi

AU - Nakamura, Yoshio

AU - Aniya, Masaru

PY - 1999

Y1 - 1999

N2 - Electrical properties of Agx(GeSe3)1-x (0≤x≤0.571) glasses were investigated by impedance spectra and EMF measurements. As the concentration of silver is increased the total electrical conductivity steeply increases from 10-14 S/cm to 10-3 S/cm at about x = 0.3. This rapid increase is chiefly due to an appearance of silver ion migration. Glass transition temperature showed a minimum at x = 0.33 above which a first sharp diffraction-peak in powder X-ray diffraction diminishes. This unusual transition supports a percolation hypothesis on photo-dissolution of silver in these glasses.

AB - Electrical properties of Agx(GeSe3)1-x (0≤x≤0.571) glasses were investigated by impedance spectra and EMF measurements. As the concentration of silver is increased the total electrical conductivity steeply increases from 10-14 S/cm to 10-3 S/cm at about x = 0.3. This rapid increase is chiefly due to an appearance of silver ion migration. Glass transition temperature showed a minimum at x = 0.33 above which a first sharp diffraction-peak in powder X-ray diffraction diminishes. This unusual transition supports a percolation hypothesis on photo-dissolution of silver in these glasses.

KW - Ag(GeSe)

KW - Glass

KW - Ionic conductivity

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