Medium range structure and activation energy of ion transport in glasses

M. Aniya; J. Kawamura

doi:10.1016/S0167-2738(02)00571-4

Medium range structure and activation energy of ion transport in glasses

M. Aniya, J. Kawamura

University Research Administration (URA) Center

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

34 Citations (Scopus)

Abstract

Most existing models of ionic conduction in glasses relate the ion transport to some specific structural features. However, there is a lack of investigation concerning the role of the medium range structure on the ionic conduction. In the present paper, with the objective to fill this gap and gain further insights about the microscopic mechanism of ion transport in glasses, the relationship between activation energy of ion transport and the wave number of First Sharp Diffraction Peak (FSDP) has been studied. It is found that the activation energy decreases with the decrease of FSDP wave number. The relationship has been interpreted by using the bond fluctuation model of superionic conductors.

Original language	English
Pages (from-to)	343-348
Number of pages	6
Journal	Solid State Ionics
Volume	154-155
DOIs	https://doi.org/10.1016/S0167-2738(02)00571-4
Publication status	Published - 2002 Dec 2

Keywords

Activation energy
Ionic conductivity
Medium range structure
Superionic glasses

ASJC Scopus subject areas

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

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10.1016/S0167-2738(02)00571-4

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title = "Medium range structure and activation energy of ion transport in glasses",

abstract = "Most existing models of ionic conduction in glasses relate the ion transport to some specific structural features. However, there is a lack of investigation concerning the role of the medium range structure on the ionic conduction. In the present paper, with the objective to fill this gap and gain further insights about the microscopic mechanism of ion transport in glasses, the relationship between activation energy of ion transport and the wave number of First Sharp Diffraction Peak (FSDP) has been studied. It is found that the activation energy decreases with the decrease of FSDP wave number. The relationship has been interpreted by using the bond fluctuation model of superionic conductors.",

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AU - Kawamura, J.

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N2 - Most existing models of ionic conduction in glasses relate the ion transport to some specific structural features. However, there is a lack of investigation concerning the role of the medium range structure on the ionic conduction. In the present paper, with the objective to fill this gap and gain further insights about the microscopic mechanism of ion transport in glasses, the relationship between activation energy of ion transport and the wave number of First Sharp Diffraction Peak (FSDP) has been studied. It is found that the activation energy decreases with the decrease of FSDP wave number. The relationship has been interpreted by using the bond fluctuation model of superionic conductors.

AB - Most existing models of ionic conduction in glasses relate the ion transport to some specific structural features. However, there is a lack of investigation concerning the role of the medium range structure on the ionic conduction. In the present paper, with the objective to fill this gap and gain further insights about the microscopic mechanism of ion transport in glasses, the relationship between activation energy of ion transport and the wave number of First Sharp Diffraction Peak (FSDP) has been studied. It is found that the activation energy decreases with the decrease of FSDP wave number. The relationship has been interpreted by using the bond fluctuation model of superionic conductors.

KW - Activation energy

KW - Ionic conductivity

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KW - Superionic glasses

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Medium range structure and activation energy of ion transport in glasses

Abstract

Keywords

ASJC Scopus subject areas

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