Local proton dynamics in perovskite-type protonic conductors by spectral hole burning spectroscopy

Shigeki Matsuo, H. Yugami, M. Ishigame

研究成果: Article

19 引用 (Scopus)

抄録

Local proton dynamics in several kinds of perovskite-type high-temperature protonic conductors were investigated by spectral hole burning spectroscopy. Spectral holes based on light-induced protonic motion were observed. By applying a temperature-cycling technique, the potential barriers for local protonic motion, which is responsible for hole burning, were estimated. The values were several times lower than the activation energies obtained by electric conductivity measurements. The relationship between elementally protonic motion and long-range conduction mechanism is discussed based on these results.

元の言語English
記事番号024302
ページ(範囲)243021-243026
ページ数6
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
64
発行部数2
出版物ステータスPublished - 2001
外部発表Yes

Fingerprint

hole burning
Perovskite
Protons
Electric conductivity measurement
conductors
Spectroscopy
protons
spectroscopy
Activation energy
Temperature
activation energy
conduction
conductivity
cycles
perovskite
temperature

ASJC Scopus subject areas

  • Condensed Matter Physics

これを引用

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AB - Local proton dynamics in several kinds of perovskite-type high-temperature protonic conductors were investigated by spectral hole burning spectroscopy. Spectral holes based on light-induced protonic motion were observed. By applying a temperature-cycling technique, the potential barriers for local protonic motion, which is responsible for hole burning, were estimated. The values were several times lower than the activation energies obtained by electric conductivity measurements. The relationship between elementally protonic motion and long-range conduction mechanism is discussed based on these results.

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