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Structure of GeSe4-In and GeSe5-In glasses

Identifieur interne : 003848 ( Main/Repository ); précédent : 003847; suivant : 003849

Structure of GeSe4-In and GeSe5-In glasses

Auteurs : RBID : Pascal:10-0491501

Descripteurs français

Pascal (Inist)
- Diffraction RX, Diffraction neutron, EXAFS, Méthode Monte Carlo inverse, Structure verre, Composition chimique, Facteur structure, Fonction distribution paire, Coordinence, Germanium Indium Séléniure Mixte, Verre chalcogénure.

English descriptors

KwdEn :
- Chalcogenide glasses, Chemical composition, Coordination number, EXAFS, Germanium Indium Selenides Mixed, Glass structure, Neutron diffraction, Pair distribution function, Reverse Monte Carlo method, Structure factors, XRD.

Abstract

(Ge_0.2Se_0.8)_100-xIn_x and (Ge_0.17Se_0.83)_100-xIn_x (x = 0, 5, 10, 15 at. %) chalcogenide glasses have been studied with high-energy x-ray diffraction, neutron diffraction and extended x-ray absorption spectroscopy at Ge, Se and In K-edges. The experimental data were modelled simultaneously with the reverse Monte Carlo simulation method. GeSe_4/2 tetrahedra are shown to be the main structural units in the binary and ternary glasses investigated. Indium bonds to the excess Se atoms in the ternary Ge-Se-In glasses. While the majority of In atoms have three Se neighbours, some In atoms may be tetrahedrally coordinated by Se.

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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Structure of GeSe<sub>4</sub>
-In and GeSe<sub>5</sub>
-In glasses</title>
<author><name sortKey="Kaban, I" uniqKey="Kaban I">I. Kaban</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Physics, Chemnitz University of Technology</s1>
<s2>09107 Chemnitz</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
<wicri:noRegion>09107 Chemnitz</wicri:noRegion>
<wicri:noRegion>Chemnitz University of Technology</wicri:noRegion>
<wicri:noRegion>09107 Chemnitz</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Jovari, P" uniqKey="Jovari P">P. Jovari</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Research Institute for Solid State Physics and Optics, H-1525 Budapest, POB 49</s1>
<s3>HUN</s3>
<sZ>2 aut.</sZ>
</inist:fA14>
<country>Hongrie</country>
<wicri:noRegion>Research Institute for Solid State Physics and Optics, H-1525 Budapest, POB 49</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Petkova, T" uniqKey="Petkova T">T. Petkova</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Institute of Electrochemistry and Energy Systems, BAS, Acad. G Bonchev B1.10</s1>
<s2>1113 Sofia</s2>
<s3>BGR</s3>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Bulgarie</country>
<placeName><settlement type="city">Sofia</settlement>
<region nuts="2">Sofia-ville (oblast)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Petkov, P" uniqKey="Petkov P">P. Petkov</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Physics, University of Chemical Technology and Metallurgy, 8 Kliment Ohridsky Blvd</s1>
<s2>1756 Sofia</s2>
<s3>BGR</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Bulgarie</country>
<placeName><settlement type="city">Sofia</settlement>
<region nuts="2">Sofia-ville (oblast)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Stoilova, A" uniqKey="Stoilova A">A. Stoilova</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Department of Physics, University of Chemical Technology and Metallurgy, 8 Kliment Ohridsky Blvd</s1>
<s2>1756 Sofia</s2>
<s3>BGR</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Bulgarie</country>
<placeName><settlement type="city">Sofia</settlement>
<region nuts="2">Sofia-ville (oblast)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Hoyer, W" uniqKey="Hoyer W">W. Hoyer</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Physics, Chemnitz University of Technology</s1>
<s2>09107 Chemnitz</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
<wicri:noRegion>09107 Chemnitz</wicri:noRegion>
<wicri:noRegion>Chemnitz University of Technology</wicri:noRegion>
<wicri:noRegion>09107 Chemnitz</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Beuneu, B" uniqKey="Beuneu B">B. Beuneu</name>
<affiliation wicri:level="3"><inist:fA14 i1="05"><s1>Laboratoire Léon Brillouin, CEA-Saclay</s1>
<s2>91191 Gif sur Yvette</s2>
<s3>FRA</s3>
<sZ>7 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><region type="region" nuts="2">Île-de-France</region>
<settlement type="city">Gif sur Yvette</settlement>
</placeName>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="inist">10-0491501</idno>
<date when="2010">2010</date>
<idno type="stanalyst">PASCAL 10-0491501 INIST</idno>
<idno type="RBID">Pascal:10-0491501</idno>
<idno type="wicri:Area/Main/Corpus">003B16</idno>
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<seriesStmt><idno type="ISSN">0953-8984</idno>
<title level="j" type="abbreviated">J. phys., Condens. matter : (Print)</title>
<title level="j" type="main">Journal of physics. Condensed matter : (Print)</title>
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</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Chalcogenide glasses</term>
<term>Chemical composition</term>
<term>Coordination number</term>
<term>EXAFS</term>
<term>Germanium Indium Selenides Mixed</term>
<term>Glass structure</term>
<term>Neutron diffraction</term>
<term>Pair distribution function</term>
<term>Reverse Monte Carlo method</term>
<term>Structure factors</term>
<term>XRD</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Diffraction RX</term>
<term>Diffraction neutron</term>
<term>EXAFS</term>
<term>Méthode Monte Carlo inverse</term>
<term>Structure verre</term>
<term>Composition chimique</term>
<term>Facteur structure</term>
<term>Fonction distribution paire</term>
<term>Coordinence</term>
<term>Germanium Indium Séléniure Mixte</term>
<term>Verre chalcogénure</term>
</keywords>
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<front><div type="abstract" xml:lang="en">(Ge<sub>0.2</sub>
Se<sub>0.8</sub>
)<sub>100-x</sub>
In<sub>x</sub>
 and (Ge<sub>0.17</sub>
Se<sub>0.83</sub>
)<sub>100-x</sub>
In<sub>x</sub>
 (x = 0, 5, 10, 15 at. %) chalcogenide glasses have been studied with high-energy x-ray diffraction, neutron diffraction and extended x-ray absorption spectroscopy at Ge, Se and In K-edges. The experimental data were modelled simultaneously with the reverse Monte Carlo simulation method. GeSe<sub>4/2</sub>
 tetrahedra are shown to be the main structural units in the binary and ternary glasses investigated. Indium bonds to the excess Se atoms in the ternary Ge-Se-In glasses. While the majority of In atoms have three Se neighbours, some In atoms may be tetrahedrally coordinated by Se.</div>
</front>
</TEI>
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<fA08 i1="01" i2="1" l="ENG"><s1>Structure of GeSe<sub>4</sub>
-In and GeSe<sub>5</sub>
-In glasses</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>KABAN (I.)</s1>
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<fA11 i1="03" i2="1"><s1>PETKOVA (T.)</s1>
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<fA11 i1="05" i2="1"><s1>STOILOVA (A.)</s1>
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<fA11 i1="06" i2="1"><s1>HOYER (W.)</s1>
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<fA11 i1="07" i2="1"><s1>BEUNEU (B.)</s1>
</fA11>
<fA14 i1="01"><s1>Institute of Physics, Chemnitz University of Technology</s1>
<s2>09107 Chemnitz</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Research Institute for Solid State Physics and Optics, H-1525 Budapest, POB 49</s1>
<s3>HUN</s3>
<sZ>2 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Institute of Electrochemistry and Energy Systems, BAS, Acad. G Bonchev B1.10</s1>
<s2>1113 Sofia</s2>
<s3>BGR</s3>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="04"><s1>Department of Physics, University of Chemical Technology and Metallurgy, 8 Kliment Ohridsky Blvd</s1>
<s2>1756 Sofia</s2>
<s3>BGR</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
</fA14>
<fA14 i1="05"><s1>Laboratoire Léon Brillouin, CEA-Saclay</s1>
<s2>91191 Gif sur Yvette</s2>
<s3>FRA</s3>
<sZ>7 aut.</sZ>
</fA14>
<fA20><s2>404205.1-404205.7</s2>
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<fA21><s1>2010</s1>
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<fA23 i1="01"><s0>ENG</s0>
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<fA43 i1="01"><s1>INIST</s1>
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<fA60><s1>P</s1>
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<fA66 i1="01"><s0>GBR</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>(Ge<sub>0.2</sub>
Se<sub>0.8</sub>
)<sub>100-x</sub>
In<sub>x</sub>
 and (Ge<sub>0.17</sub>
Se<sub>0.83</sub>
)<sub>100-x</sub>
In<sub>x</sub>
 (x = 0, 5, 10, 15 at. %) chalcogenide glasses have been studied with high-energy x-ray diffraction, neutron diffraction and extended x-ray absorption spectroscopy at Ge, Se and In K-edges. The experimental data were modelled simultaneously with the reverse Monte Carlo simulation method. GeSe<sub>4/2</sub>
 tetrahedra are shown to be the main structural units in the binary and ternary glasses investigated. Indium bonds to the excess Se atoms in the ternary Ge-Se-In glasses. While the majority of In atoms have three Se neighbours, some In atoms may be tetrahedrally coordinated by Se.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001B60A43F</s0>
</fC02>
<fC03 i1="01" i2="3" l="FRE"><s0>Diffraction RX</s0>
<s5>02</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>XRD</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE"><s0>Diffraction neutron</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG"><s0>Neutron diffraction</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="3" l="FRE"><s0>EXAFS</s0>
<s5>04</s5>
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<fC03 i1="03" i2="3" l="ENG"><s0>EXAFS</s0>
<s5>04</s5>
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<fC03 i1="04" i2="3" l="FRE"><s0>Méthode Monte Carlo inverse</s0>
<s5>05</s5>
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<fC03 i1="04" i2="3" l="ENG"><s0>Reverse Monte Carlo method</s0>
<s5>05</s5>
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<fC03 i1="05" i2="3" l="FRE"><s0>Structure verre</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>Glass structure</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Composition chimique</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG"><s0>Chemical composition</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE"><s0>Facteur structure</s0>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG"><s0>Structure factors</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Fonction distribution paire</s0>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Pair distribution function</s0>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Función distribución par</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="3" l="FRE"><s0>Coordinence</s0>
<s5>10</s5>
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<fC03 i1="09" i2="3" l="ENG"><s0>Coordination number</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Germanium Indium Séléniure Mixte</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>12</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Germanium Indium Selenides Mixed</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>12</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Mixto</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>12</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE"><s0>Verre chalcogénure</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="3" l="ENG"><s0>Chalcogenide glasses</s0>
<s5>15</s5>
</fC03>
<fN21><s1>326</s1>
</fN21>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>Reverse Monte Carlo modelling (RMC). Workshop</s1>
<s3>Budapest HUN</s3>
<s4>2009-10-01</s4>
</fA30>
</pR>
</standard>
</inist>
</record>

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Structure of GeSe4-In and GeSe5-In glasses

Structure of GeSe4-In and GeSe5-In glasses

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri