Short and Medium Range Order in Ga–Ge–S Glasses: An X-Ray Absorption Spectroscopy Study at Room and Low Temperatures
Glasses belonging to the Ga2S3–GeS2line are studied at room temperature and at 7 K by XAFS spectroscopy at Ga and Ge K-edges. The results show that the addition of Ga2S3to the GeS2glass former leads to the formation of tetrahedral units of GaS4, linked to the GeS4tetrahedra. Mainly low temperature m...
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Veröffentlicht in: | Journal of solid state chemistry 1996-04, Vol.123 (1), p.60-67 |
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creator | Loireau-Lozac'h, A.M. Keller-Besrest, F. Bénazeth, S. |
description | Glasses belonging to the Ga2S3–GeS2line are studied at room temperature and at 7 K by XAFS spectroscopy at Ga and Ge K-edges. The results show that the addition of Ga2S3to the GeS2glass former leads to the formation of tetrahedral units of GaS4, linked to the GeS4tetrahedra. Mainly low temperature measurements of the Ge K-edge allow an analysis of the short and medium range order. As the Ga content increases a substitution takes place of corner-sharing linkages with edge-sharing linkages of (Ge/Ga)S4tetrahedral units. |
doi_str_mv | 10.1006/jssc.1996.0152 |
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The results show that the addition of Ga2S3to the GeS2glass former leads to the formation of tetrahedral units of GaS4, linked to the GeS4tetrahedra. Mainly low temperature measurements of the Ge K-edge allow an analysis of the short and medium range order. 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The results show that the addition of Ga2S3to the GeS2glass former leads to the formation of tetrahedral units of GaS4, linked to the GeS4tetrahedra. Mainly low temperature measurements of the Ge K-edge allow an analysis of the short and medium range order. As the Ga content increases a substitution takes place of corner-sharing linkages with edge-sharing linkages of (Ge/Ga)S4tetrahedral units.</description><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Disordered solids</subject><subject>Exact sciences and technology</subject><subject>Glasses</subject><subject>Physics</subject><subject>Structure of solids and liquids; crystallography</subject><issn>0022-4596</issn><issn>1095-726X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><recordid>eNp1kLFOwzAYhC0EEqWwMntgTbCdOLXZqgoCUlGlpkjdLMd2IFUbR3YKZOMdeEOeBIciNpb_lrv7Tx8AlxjFGKHseuO9ijHnWYwwJUdghBGn0YRk62MwQoiQKKU8OwVn3m8QwpiydATeixfrOigbDR-Nrvc7uJTNs4ELp42DdQNz-fXxmZtwCphvpffG38BpA9fRUvZwWnrr2q62DSxaozpnvbJtD4tur3soO7i0dvfTPrdvcGV2rXGy2zvjz8FJJbfeXPzqGDzd3a5m99F8kT_MpvNIJZh2UZrgNCzNUqkqRFQlK6lJQjKsSqNTNsEJMyotNeaUY8IqrrkukZzQkqCMaZqMQXzoVWGbd6YSrat30vUCIzFwEwM3MXATA7cQuDoEWumV3FZONqr2f6kEUUYYCjZ2sJkw_rU2TnhVm0YFiC6AENrW_334BrJ3g2M</recordid><startdate>19960401</startdate><enddate>19960401</enddate><creator>Loireau-Lozac'h, A.M.</creator><creator>Keller-Besrest, F.</creator><creator>Bénazeth, S.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19960401</creationdate><title>Short and Medium Range Order in Ga–Ge–S Glasses: An X-Ray Absorption Spectroscopy Study at Room and Low Temperatures</title><author>Loireau-Lozac'h, A.M. ; Keller-Besrest, F. ; Bénazeth, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c315t-431415864acf02cfafad23261cbed487138ec4bd1959128f9d9db0a75b2068d53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1996</creationdate><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Disordered solids</topic><topic>Exact sciences and technology</topic><topic>Glasses</topic><topic>Physics</topic><topic>Structure of solids and liquids; crystallography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Loireau-Lozac'h, A.M.</creatorcontrib><creatorcontrib>Keller-Besrest, F.</creatorcontrib><creatorcontrib>Bénazeth, S.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Journal of solid state chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Loireau-Lozac'h, A.M.</au><au>Keller-Besrest, F.</au><au>Bénazeth, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Short and Medium Range Order in Ga–Ge–S Glasses: An X-Ray Absorption Spectroscopy Study at Room and Low Temperatures</atitle><jtitle>Journal of solid state chemistry</jtitle><date>1996-04-01</date><risdate>1996</risdate><volume>123</volume><issue>1</issue><spage>60</spage><epage>67</epage><pages>60-67</pages><issn>0022-4596</issn><eissn>1095-726X</eissn><coden>JSSCBI</coden><abstract>Glasses belonging to the Ga2S3–GeS2line are studied at room temperature and at 7 K by XAFS spectroscopy at Ga and Ge K-edges. 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subjects | Condensed matter: structure, mechanical and thermal properties Disordered solids Exact sciences and technology Glasses Physics Structure of solids and liquids crystallography |
title | Short and Medium Range Order in Ga–Ge–S Glasses: An X-Ray Absorption Spectroscopy Study at Room and Low Temperatures |
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