Phase Diagram of the Li 4 GeS 4 –Li 3 PS 4 Quasi‐Binary System Containing the Superionic Conductor Li 10 GeP 2 S 12

A phase diagram is constructed for the quasi‐binary Li 4 GeS 4 –Li 3 PS 4 system containing the lithium superionic conductor Li 10 GeP 2 S 12 ( LGPS ), having an LGPS ‐type structure, and the β‐Li 3 PS 4 ‐type phase, having a thio‐ LISICON structure. The LGPS and thio‐ LISICON intermediate compounds...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2015-10, Vol.98 (10), p.3352-3360
Main Authors: Hori, Satoshi, Kato, Masahiko, Suzuki, Kota, Hirayama, Masaaki, Kato, Yuki, Kanno, Ryoji
Format: Article
Language:English
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Summary:A phase diagram is constructed for the quasi‐binary Li 4 GeS 4 –Li 3 PS 4 system containing the lithium superionic conductor Li 10 GeP 2 S 12 ( LGPS ), having an LGPS ‐type structure, and the β‐Li 3 PS 4 ‐type phase, having a thio‐ LISICON structure. The LGPS and thio‐ LISICON intermediate compounds are found to exhibit solid solution ranges and show incongruent melting at 650°C and 560°C, respectively. The end‐member Li 4 GeS 4 has a compositional range of 0 
ISSN:0002-7820
1551-2916
DOI:10.1111/jace.13694