Quasielastic light scattering in superionic glasses AgI-Ag2O-MoO3

Shigeki Matsuo, H. Yugami, M. Ishigame

研究成果: Article

3 引用 (Scopus)

抄録

Quasielastic light scattering (QELS) due to hopping of Ag+ ions was studied on superionic glasses (AgI)x(Ag2OMoO3)1-x (x=0.60,0.70,0.75). The temperature dependence of the QELS intensity at a fixed frequency as well as the integrated QELS intensity were measured. The activation energy for ionic hopping did not depend on glass composition, and the value (0.1 eV) was close to that determined in -AgI. From these results, it was concluded that the local hopping of Ag+ ions in the region like -AgI contributes to QELS. It was found from the temperature dependence of the QELS intensity that the concentration of hopping ions increased with increasing temperature above 220 K. The increase in hopping-ion concentration may be related to a dc conduction process.

元の言語English
ページ(範囲)15651-15657
ページ数7
ジャーナルPhysical Review B
48
発行部数21
DOI
出版物ステータスPublished - 1993
外部発表Yes

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Light scattering
light scattering
Glass
glass
Ions
temperature dependence
ions
ion concentration
Temperature
Activation energy
molybdenum trioxide
activation energy
conduction
Chemical analysis
temperature

ASJC Scopus subject areas

  • Condensed Matter Physics

これを引用

Quasielastic light scattering in superionic glasses AgI-Ag2O-MoO3. / Matsuo, Shigeki; Yugami, H.; Ishigame, M.

:: Physical Review B, 巻 48, 番号 21, 1993, p. 15651-15657.

研究成果: Article

Matsuo, Shigeki ; Yugami, H. ; Ishigame, M. / Quasielastic light scattering in superionic glasses AgI-Ag2O-MoO3. :: Physical Review B. 1993 ; 巻 48, 番号 21. pp. 15651-15657.
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