(GeTe)nSbInTe3 (n ≤ 3)-Element distribution and thermal behavior
Identifieur interne : 001244 ( Main/Repository ); précédent : 001243; suivant : 001245(GeTe)nSbInTe3 (n ≤ 3)-Element distribution and thermal behavior
Auteurs : RBID : Pascal:14-0020128Descripteurs français
- Pascal (Inist)
- Propriété thermique, Antimoine, Germanium, Indium, Méthode Rietveld, Diffraction RX, Rayonnement synchrotron, Dispersion, Structure lamellaire, Bande interdite, Trempe, Haute température, Etat métastable, Dépendance température, Monocristal, Réseau rhomboédrique, Effet température, Diagramme poudre, Réseau cubique, Diffusion anomale, Transition phase, GeTe, Sb2Te3, NaCl, 6540D.
- Wicri :
- concept : Antimoine.
English descriptors
- KwdEn :
- Anomalous scattering, Antimony, Cubic lattices, Dispersions, Energy gap, Germanium, High temperature, Indium, Lamellar structure, Metastable states, Monocrystals, Phase transitions, Powder pattern, Quenching, Rietveld method, Synchrotron radiation, Temperature dependence, Temperature effects, Thermal properties, Trigonal lattices, XRD.
Abstract
Antimony in germanium antimony tellurides (GeTe)n(Sb2Te3) can be substituted by indium. Homogeneous bulk samples of GeSbInTe4 (R3m, Z=3, α =4.21324(5) Å. c = 41.0348(10) Å) and Ge2SbInTe5 (P3m1, Z=1, a=4.20204(6) Å, c=17.2076(4) Å) were obtained; their structures were refined with the Rietveld method. Single-crystal X-ray diffraction using synchrotron radiation at the K edges of Sb and Te (exploiting anomalous dispersion) yields precise information on the element distribution in the trigonal layered structure of Ge3SbInTe6 (R3m, Z=3, α=4.19789(4) Å, c=62.1620(11) Å). The structure is characterized by van der Waals gaps between distorted rocksalt-type slabs of alternating cation and anion layers. The cation concentration is commensurately modulated with Sb preferring the positions near the gaps. In contrast to unsubstituted Ge3Sb2Te6, quenching the NaCl-type high-temperature phase (stable above ˜ 510 °C) easily yields a pseudocubic modification that is metastable at ambient conditions. Temperature-dependent powder diffraction reveals a broader stability range of the cubic high-temperature modification of Ge3SbinTe6 compared to the ternary phases. In-containing samples partially decompose at ca. 300 °C but become homogeneous again when the high-temperature phase is formed.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">(GeTe)<sub>n</sub>SbInTe<sub>3</sub> (n ≤ 3)-Element distribution and thermal behavior</title><author><name sortKey="Fahrnbauer, Felix" uniqKey="Fahrnbauer F">Felix Fahrnbauer</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institute for Mineralogy, Crystallography and Materials Science, Leipzig University, Schomhorststrasse 20</s1><s2>04275 Leipzig</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Saxe (Land)</region><region type="district" nuts="2">District de Leipzig</region><settlement type="city">Leipzig</settlement></placeName></affiliation></author><author><name sortKey="Urban, Philipp" uniqKey="Urban P">Philipp Urban</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institute for Mineralogy, Crystallography and Materials Science, Leipzig University, Schomhorststrasse 20</s1><s2>04275 Leipzig</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Saxe (Land)</region><region type="district" nuts="2">District de Leipzig</region><settlement type="city">Leipzig</settlement></placeName></affiliation></author><author><name sortKey="Welzmiller, Simon" uniqKey="Welzmiller S">Simon Welzmiller</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institute for Mineralogy, Crystallography and Materials Science, Leipzig University, Schomhorststrasse 20</s1><s2>04275 Leipzig</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Saxe (Land)</region><region type="district" nuts="2">District de Leipzig</region><settlement type="city">Leipzig</settlement></placeName></affiliation></author><author><name sortKey="Schroder, Thorsten" uniqKey="Schroder T">Thorsten Schröder</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Department of Chemistry, Ludwig Maximilian University, Butenandtstrasse 5-13</s1><s2>81377 Munich</s2><s3>DEU</s3><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Bavière</region><region type="district" nuts="2">District de Haute-Bavière</region><settlement type="city">Munich</settlement></placeName></affiliation></author><author><name sortKey="Rosenthal, Tobias" uniqKey="Rosenthal T">Tobias Rosenthal</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Department of Chemistry, Ludwig Maximilian University, Butenandtstrasse 5-13</s1><s2>81377 Munich</s2><s3>DEU</s3><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Bavière</region><region type="district" nuts="2">District de Haute-Bavière</region><settlement type="city">Munich</settlement></placeName></affiliation></author><author><name sortKey="Oeckler, Oliver" uniqKey="Oeckler O">Oliver Oeckler</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institute for Mineralogy, Crystallography and Materials Science, Leipzig University, Schomhorststrasse 20</s1><s2>04275 Leipzig</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Saxe (Land)</region><region type="district" nuts="2">District de Leipzig</region><settlement type="city">Leipzig</settlement></placeName></affiliation><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Department of Chemistry, Ludwig Maximilian University, Butenandtstrasse 5-13</s1><s2>81377 Munich</s2><s3>DEU</s3><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Bavière</region><region type="district" nuts="2">District de Haute-Bavière</region><settlement type="city">Munich</settlement></placeName></affiliation></author></titleStmt><publicationStmt><idno type="inist">14-0020128</idno><date when="2013">2013</date><idno type="stanalyst">PASCAL 14-0020128 INIST</idno><idno type="RBID">Pascal:14-0020128</idno><idno type="wicri:Area/Main/Corpus">000307</idno><idno type="wicri:Area/Main/Repository">001244</idno></publicationStmt><seriesStmt><idno type="ISSN">0022-4596</idno><title level="j" type="abbreviated">J. solid state chem. : (Print)</title><title level="j" type="main">Journal of solid state chemistry : (Print)</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anomalous scattering</term><term>Antimony</term><term>Cubic lattices</term><term>Dispersions</term><term>Energy gap</term><term>Germanium</term><term>High temperature</term><term>Indium</term><term>Lamellar structure</term><term>Metastable states</term><term>Monocrystals</term><term>Phase transitions</term><term>Powder pattern</term><term>Quenching</term><term>Rietveld method</term><term>Synchrotron radiation</term><term>Temperature dependence</term><term>Temperature effects</term><term>Thermal properties</term><term>Trigonal lattices</term><term>XRD</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Propriété thermique</term><term>Antimoine</term><term>Germanium</term><term>Indium</term><term>Méthode Rietveld</term><term>Diffraction RX</term><term>Rayonnement synchrotron</term><term>Dispersion</term><term>Structure lamellaire</term><term>Bande interdite</term><term>Trempe</term><term>Haute température</term><term>Etat métastable</term><term>Dépendance température</term><term>Monocristal</term><term>Réseau rhomboédrique</term><term>Effet température</term><term>Diagramme poudre</term><term>Réseau cubique</term><term>Diffusion anomale</term><term>Transition phase</term><term>GeTe</term><term>Sb2Te3</term><term>NaCl</term><term>6540D</term></keywords><keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Antimoine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Antimony in germanium antimony tellurides (GeTe)<sub>n</sub>(Sb<sub>2</sub>Te<sub>3</sub>) can be substituted by indium. Homogeneous bulk samples of GeSbInTe<sub>4</sub> (R3m, Z=3, α =4.21324(5) Å. c = 41.0348(10) Å) and Ge<sub>2</sub>SbInTe<sub>5</sub> (P3m1, Z=1, a=4.20204(6) Å, c=17.2076(4) Å) were obtained; their structures were refined with the Rietveld method. Single-crystal X-ray diffraction using synchrotron radiation at the K edges of Sb and Te (exploiting anomalous dispersion) yields precise information on the element distribution in the trigonal layered structure of Ge<sub>3</sub>SbInTe<sub>6</sub> (R3m, Z=3, α=4.19789(4) Å, c=62.1620(11) Å). The structure is characterized by van der Waals gaps between distorted rocksalt-type slabs of alternating cation and anion layers. The cation concentration is commensurately modulated with Sb preferring the positions near the gaps. In contrast to unsubstituted Ge<sub>3</sub>Sb<sub>2</sub>Te<sub>6</sub>, quenching the NaCl-type high-temperature phase (stable above ˜<sub> </sub>510 °C) easily yields a pseudocubic modification that is metastable at ambient conditions. Temperature-dependent powder diffraction reveals a broader stability range of the cubic high-temperature modification of Ge<sub>3</sub>SbinTe<sub>6</sub> compared to the ternary phases. In-containing samples partially decompose at ca. 300 °C but become homogeneous again when the high-temperature phase is formed.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0022-4596</s0></fA01><fA02 i1="01"><s0>JSSCBI</s0></fA02><fA03 i2="1"><s0>J. solid state chem. : (Print)</s0></fA03><fA05><s2>208</s2></fA05><fA08 i1="01" i2="1" l="ENG"><s1>(GeTe)<sub>n</sub>SbInTe<sub>3</sub> (n ≤ 3)-Element distribution and thermal behavior</s1></fA08><fA11 i1="01" i2="1"><s1>FAHRNBAUER (Felix)</s1></fA11><fA11 i1="02" i2="1"><s1>URBAN (Philipp)</s1></fA11><fA11 i1="03" i2="1"><s1>WELZMILLER (Simon)</s1></fA11><fA11 i1="04" i2="1"><s1>SCHRÖDER (Thorsten)</s1></fA11><fA11 i1="05" i2="1"><s1>ROSENTHAL (Tobias)</s1></fA11><fA11 i1="06" i2="1"><s1>OECKLER (Oliver)</s1></fA11><fA14 i1="01"><s1>Institute for Mineralogy, Crystallography and Materials Science, Leipzig University, Schomhorststrasse 20</s1><s2>04275 Leipzig</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>6 aut.</sZ></fA14><fA14 i1="02"><s1>Department of Chemistry, Ludwig Maximilian University, Butenandtstrasse 5-13</s1><s2>81377 Munich</s2><s3>DEU</s3><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></fA14><fA20><s1>20-26</s1></fA20><fA21><s1>2013</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>14677</s2><s5>354000504288390040</s5></fA43><fA44><s0>0000</s0><s1>© 2014 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>41 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>14-0020128</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of solid state chemistry : (Print)</s0></fA64><fA66 i1="01"><s0>NLD</s0></fA66><fC01 i1="01" l="ENG"><s0>Antimony in germanium antimony tellurides (GeTe)<sub>n</sub>(Sb<sub>2</sub>Te<sub>3</sub>) can be substituted by indium. Homogeneous bulk samples of GeSbInTe<sub>4</sub> (R3m, Z=3, α =4.21324(5) Å. c = 41.0348(10) Å) and Ge<sub>2</sub>SbInTe<sub>5</sub> (P3m1, Z=1, a=4.20204(6) Å, c=17.2076(4) Å) were obtained; their structures were refined with the Rietveld method. Single-crystal X-ray diffraction using synchrotron radiation at the K edges of Sb and Te (exploiting anomalous dispersion) yields precise information on the element distribution in the trigonal layered structure of Ge<sub>3</sub>SbInTe<sub>6</sub> (R3m, Z=3, α=4.19789(4) Å, c=62.1620(11) Å). The structure is characterized by van der Waals gaps between distorted rocksalt-type slabs of alternating cation and anion layers. The cation concentration is commensurately modulated with Sb preferring the positions near the gaps. In contrast to unsubstituted Ge<sub>3</sub>Sb<sub>2</sub>Te<sub>6</sub>, quenching the NaCl-type high-temperature phase (stable above ˜<sub> </sub>510 °C) easily yields a pseudocubic modification that is metastable at ambient conditions. Temperature-dependent powder diffraction reveals a broader stability range of the cubic high-temperature modification of Ge<sub>3</sub>SbinTe<sub>6</sub> compared to the ternary phases. In-containing samples partially decompose at ca. 300 °C but become homogeneous again when the high-temperature phase is formed.</s0></fC01><fC02 i1="01" i2="3"><s0>001B60E40D</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>Propriété thermique</s0><s5>01</s5></fC03><fC03 i1="01" i2="3" l="ENG"><s0>Thermal properties</s0><s5>01</s5></fC03><fC03 i1="02" i2="3" l="FRE"><s0>Antimoine</s0><s2>NC</s2><s5>02</s5></fC03><fC03 i1="02" i2="3" l="ENG"><s0>Antimony</s0><s2>NC</s2><s5>02</s5></fC03><fC03 i1="03" i2="3" l="FRE"><s0>Germanium</s0><s2>NC</s2><s5>03</s5></fC03><fC03 i1="03" i2="3" l="ENG"><s0>Germanium</s0><s2>NC</s2><s5>03</s5></fC03><fC03 i1="04" i2="3" l="FRE"><s0>Indium</s0><s2>NC</s2><s5>04</s5></fC03><fC03 i1="04" i2="3" l="ENG"><s0>Indium</s0><s2>NC</s2><s5>04</s5></fC03><fC03 i1="05" i2="X" l="FRE"><s0>Méthode Rietveld</s0><s5>05</s5></fC03><fC03 i1="05" i2="X" l="ENG"><s0>Rietveld method</s0><s5>05</s5></fC03><fC03 i1="05" i2="X" l="SPA"><s0>Método Rietveld</s0><s5>05</s5></fC03><fC03 i1="06" i2="3" l="FRE"><s0>Diffraction RX</s0><s5>06</s5></fC03><fC03 i1="06" i2="3" l="ENG"><s0>XRD</s0><s5>06</s5></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Rayonnement synchrotron</s0><s5>07</s5></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Synchrotron radiation</s0><s5>07</s5></fC03><fC03 i1="08" i2="3" l="FRE"><s0>Dispersion</s0><s5>08</s5></fC03><fC03 i1="08" i2="3" l="ENG"><s0>Dispersions</s0><s5>08</s5></fC03><fC03 i1="09" i2="X" l="FRE"><s0>Structure lamellaire</s0><s5>09</s5></fC03><fC03 i1="09" i2="X" l="ENG"><s0>Lamellar structure</s0><s5>09</s5></fC03><fC03 i1="09" i2="X" l="SPA"><s0>Estructura lamelar</s0><s5>09</s5></fC03><fC03 i1="10" i2="3" l="FRE"><s0>Bande interdite</s0><s5>10</s5></fC03><fC03 i1="10" i2="3" l="ENG"><s0>Energy gap</s0><s5>10</s5></fC03><fC03 i1="11" i2="3" l="FRE"><s0>Trempe</s0><s5>11</s5></fC03><fC03 i1="11" i2="3" l="ENG"><s0>Quenching</s0><s5>11</s5></fC03><fC03 i1="12" i2="X" l="FRE"><s0>Haute température</s0><s5>12</s5></fC03><fC03 i1="12" i2="X" l="ENG"><s0>High temperature</s0><s5>12</s5></fC03><fC03 i1="12" i2="X" l="SPA"><s0>Alta temperatura</s0><s5>12</s5></fC03><fC03 i1="13" i2="3" l="FRE"><s0>Etat métastable</s0><s5>13</s5></fC03><fC03 i1="13" i2="3" l="ENG"><s0>Metastable states</s0><s5>13</s5></fC03><fC03 i1="14" i2="3" l="FRE"><s0>Dépendance température</s0><s5>14</s5></fC03><fC03 i1="14" i2="3" l="ENG"><s0>Temperature dependence</s0><s5>14</s5></fC03><fC03 i1="15" i2="3" l="FRE"><s0>Monocristal</s0><s5>15</s5></fC03><fC03 i1="15" i2="3" l="ENG"><s0>Monocrystals</s0><s5>15</s5></fC03><fC03 i1="16" i2="3" l="FRE"><s0>Réseau rhomboédrique</s0><s5>16</s5></fC03><fC03 i1="16" i2="3" l="ENG"><s0>Trigonal lattices</s0><s5>16</s5></fC03><fC03 i1="17" i2="3" l="FRE"><s0>Effet température</s0><s5>29</s5></fC03><fC03 i1="17" i2="3" l="ENG"><s0>Temperature effects</s0><s5>29</s5></fC03><fC03 i1="18" i2="X" l="FRE"><s0>Diagramme poudre</s0><s5>30</s5></fC03><fC03 i1="18" i2="X" l="ENG"><s0>Powder pattern</s0><s5>30</s5></fC03><fC03 i1="18" i2="X" l="SPA"><s0>Diagrama polvo</s0><s5>30</s5></fC03><fC03 i1="19" i2="3" l="FRE"><s0>Réseau cubique</s0><s5>31</s5></fC03><fC03 i1="19" i2="3" l="ENG"><s0>Cubic lattices</s0><s5>31</s5></fC03><fC03 i1="20" i2="X" l="FRE"><s0>Diffusion anomale</s0><s5>32</s5></fC03><fC03 i1="20" i2="X" l="ENG"><s0>Anomalous scattering</s0><s5>32</s5></fC03><fC03 i1="20" i2="X" l="SPA"><s0>Difusión anómala</s0><s5>32</s5></fC03><fC03 i1="21" i2="X" l="FRE"><s0>Transition phase</s0><s5>33</s5></fC03><fC03 i1="21" i2="X" l="ENG"><s0>Phase transitions</s0><s5>33</s5></fC03><fC03 i1="21" i2="X" l="SPA"><s0>Transición fase</s0><s5>33</s5></fC03><fC03 i1="22" i2="3" l="FRE"><s0>GeTe</s0><s4>INC</s4><s5>46</s5></fC03><fC03 i1="23" i2="3" l="FRE"><s0>Sb2Te3</s0><s4>INC</s4><s5>47</s5></fC03><fC03 i1="24" i2="3" l="FRE"><s0>NaCl</s0><s4>INC</s4><s5>48</s5></fC03><fC03 i1="25" i2="3" l="FRE"><s0>6540D</s0><s4>INC</s4><s5>71</s5></fC03><fN21><s1>020</s1></fN21><fN44 i1="01"><s1>OTO</s1></fN44><fN82><s1>OTO</s1></fN82></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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