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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Editor-in-Chief: Rademann, Klaus


IMPACT FACTOR 2018: 0.975
5-year IMPACT FACTOR: 1.021

CiteScore 2018: 1.20

SCImago Journal Rank (SJR) 2018: 0.327
Source Normalized Impact per Paper (SNIP) 2018: 0.391

Online
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2196-7156
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Volume 230, Issue 3

Issues

Structural Aspects of the Superionic Conduction Mechanism in Ag-GeSe3 Glasses

Jens R. Stellhorn
  • Corresponding author
  • Department of Chemistry, Philipps-University of Marburg, Hans-Meerwein-Strasse 4, 35032 Marburg, Germany
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/ Shinya Hosokawa
  • Department of Chemistry, Philipps-University of Marburg, Hans-Meerwein-Strasse 4, 35032 Marburg, Germany
  • Department of Physics, Graduate School of Science and Technology, Kumamoto University, Kumamoto 860-8555, Japan
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/ Wolf-Christian Pilgrim
  • Department of Chemistry, Philipps-University of Marburg, Hans-Meerwein-Strasse 4, 35032 Marburg, Germany
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/ Yokinobu Kawakita / Kenji Kamimura
  • Department of Physics, Graduate School of Science and Technology, Kumamoto University, Kumamoto 860-8555, Japan
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/ Koji Kimura
  • Department of Physics, Graduate School of Science and Technology, Kumamoto University, Kumamoto 860-8555, Japan
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/ Nils Blanc / Nathalie Boudet
Published Online: 2015-10-30 | DOI: https://doi.org/10.1515/zpch-2015-0667

Abstract

The local and intermediate-range atomic structure in the Ag ion conducting glasses Agx(GeSe3)1−x with x = 0.15 and 0.50 has been investigated by Anomalous X-Ray Scattering experiments at the K absorption edges of each constituent element. This method can provide insight into the structural properties enabling the effect of superionic conductivity for compositions with x > 0.33 in the amorphous phase. The experimental results were analyzed with Reverse Monte Carlo modeling, providing the partial structure factors and the corresponding partial pair-distribution functions. Evidence is found for a high level of intermediate range order for low silver concentrations, whereas the superionic conducting phase formed at high silver concentrations is characterized by cluster-like configurations of Ag atoms on a nanometer scale.

Keywords: Superionic Glass; Resonant X-ray Scattering; Synchrotron Radiation; Partial Structure; Intermediate-range; 3D Atomic Configurations

About the article

Accepted: 2015-10-05

Received: 2015-07-27

Published Online: 2015-10-30

Published in Print: 2016-03-28


Citation Information: Zeitschrift für Physikalische Chemie, Volume 230, Issue 3, Pages 369–386, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1515/zpch-2015-0667.

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