Local structure of room-temperature superionic Ag-GeSe3 glasses

J. R. Stellhorn; S. Hosokawa; Y. Kawakita; D. Gies; W. C. Pilgrim; K. Hayashi; K. Ohoyama; N. Blanc; N. Boudet

doi:10.1016/j.jnoncrysol.2015.02.027

Local structure of room-temperature superionic Ag-GeSe₃ glasses

J. R. Stellhorn, S. Hosokawa, Y. Kawakita, D. Gies, W. C. Pilgrim, K. Hayashi, K. Ohoyama, N. Blanc, N. Boudet

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

7 Citations (Scopus)

Abstract

Anomalous X-ray scattering experiments on amorphous Ag_0.5(GeSe₃)_0.5 at the K absorption edges of each constituent element have been performed to investigate the local- and intermediate-range structure in this material. This method can provide insight into the structural properties enabling the effect of superionic conductivity 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. A nanometer range phase separation tendency of the Ag atoms over a background of a GeSe₄ tetrahedral network is observed, which may confirm the view of Ag conduction pathways forming in this phase.

Original language	English
Pages (from-to)	68-71
Number of pages	4
Journal	Journal of Non-Crystalline Solids
Volume	431
DOIs	https://doi.org/10.1016/j.jnoncrysol.2015.02.027
Publication status	Published - 2016 Jan 1
Externally published	Yes

Keywords

3D atomic configurations
Intermediate-range
Partial structure
Resonant X-ray scattering
Superionic glass
Synchrotron radiation

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

Access to Document

10.1016/j.jnoncrysol.2015.02.027

Cite this

@article{c471459897aa4ebb98cf1588a489d0c8,

title = "Local structure of room-temperature superionic Ag-GeSe3 glasses",

abstract = "Anomalous X-ray scattering experiments on amorphous Ag0.5(GeSe3)0.5 at the K absorption edges of each constituent element have been performed to investigate the local- and intermediate-range structure in this material. This method can provide insight into the structural properties enabling the effect of superionic conductivity 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. A nanometer range phase separation tendency of the Ag atoms over a background of a GeSe4 tetrahedral network is observed, which may confirm the view of Ag conduction pathways forming in this phase.",

keywords = "3D atomic configurations, Intermediate-range, Partial structure, Resonant X-ray scattering, Superionic glass, Synchrotron radiation",

author = "Stellhorn, {J. R.} and S. Hosokawa and Y. Kawakita and D. Gies and Pilgrim, {W. C.} and K. Hayashi and K. Ohoyama and N. Blanc and N. Boudet",

note = "Funding Information: The AXS experiments were performed in collaboration with Dr. J.-F. B{\'e}rar at BM02/ESRF (Proposal Nos. HD 540 and HC1137). Supporting AXS experiments were performed at BL13XU/SPring-8 (Proposal No. 2014A1060). This work was partially supported by the JSPS Grant-in-Aid for Scientific Research on Innovative Areas {\textquoteleft}3D Active-Site Science{\textquoteright} (No. 26105006 ). Publisher Copyright: {\textcopyright} 2015 Elsevier B.V.",

year = "2016",

month = jan,

day = "1",

doi = "10.1016/j.jnoncrysol.2015.02.027",

language = "English",

volume = "431",

pages = "68--71",

journal = "Journal of Non-Crystalline Solids",

issn = "0022-3093",

publisher = "Elsevier",

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T1 - Local structure of room-temperature superionic Ag-GeSe3 glasses

AU - Stellhorn, J. R.

AU - Hosokawa, S.

AU - Kawakita, Y.

AU - Gies, D.

AU - Pilgrim, W. C.

AU - Hayashi, K.

AU - Ohoyama, K.

AU - Blanc, N.

AU - Boudet, N.

N1 - Funding Information: The AXS experiments were performed in collaboration with Dr. J.-F. Bérar at BM02/ESRF (Proposal Nos. HD 540 and HC1137). Supporting AXS experiments were performed at BL13XU/SPring-8 (Proposal No. 2014A1060). This work was partially supported by the JSPS Grant-in-Aid for Scientific Research on Innovative Areas ‘3D Active-Site Science’ (No. 26105006 ). Publisher Copyright: © 2015 Elsevier B.V.

PY - 2016/1/1

Y1 - 2016/1/1

N2 - Anomalous X-ray scattering experiments on amorphous Ag0.5(GeSe3)0.5 at the K absorption edges of each constituent element have been performed to investigate the local- and intermediate-range structure in this material. This method can provide insight into the structural properties enabling the effect of superionic conductivity 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. A nanometer range phase separation tendency of the Ag atoms over a background of a GeSe4 tetrahedral network is observed, which may confirm the view of Ag conduction pathways forming in this phase.

AB - Anomalous X-ray scattering experiments on amorphous Ag0.5(GeSe3)0.5 at the K absorption edges of each constituent element have been performed to investigate the local- and intermediate-range structure in this material. This method can provide insight into the structural properties enabling the effect of superionic conductivity 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. A nanometer range phase separation tendency of the Ag atoms over a background of a GeSe4 tetrahedral network is observed, which may confirm the view of Ag conduction pathways forming in this phase.

KW - 3D atomic configurations

KW - Intermediate-range

KW - Partial structure

KW - Resonant X-ray scattering

KW - Superionic glass

KW - Synchrotron radiation

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