Thermal Conductivity of the Light Heavy-Fermion Compound YbIn0.7Ag0.3Cu4
Identifieur interne : 000868 ( Russie/Analysis ); précédent : 000867; suivant : 000869Thermal Conductivity of the Light Heavy-Fermion Compound YbIn0.7Ag0.3Cu4
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Abstract
This paper reports on the electrical resistivity and thermal conductivity of polycrystalline YbIn0.7Ag0.3Cu4 at temperatures from 4.2 to 300 K, which exhibits, at Tv , a continuous isostructural first-order phase transition from a Curie-Weiss paramagnet with localized magnetic moments (for T > Tv) to a Pauli paramagnet in a nonmagnetic Fermi liquid state with the Yb ion in a mixed valence state (for T < Tv ). It is shown that for T < Tv , the Lorenz number behaves in accordance with the theoretical model developed for heavy-fermion materials, while for T > Tv , it acquires the value typical of standard metals. © 2001 MAIK Nauka / Interperiodica .
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Thermal Conductivity of the Light Heavy-Fermion Compound YbIn<sub>0.7</sub>Ag<sub>0.3</sub>Cu<sub>4</sub></title><author><name sortKey="Golubkov, A V" uniqKey="Golubkov A">A. V. Golubkov</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Ioffe Physicotechnical Institute, Russian Academy of Sciences, ul. Politekhnicheskaya 26, St. Petersburg, 194021 Russia</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country xml:lang="fr">Russie</country><wicri:regionArea>Ioffe Physicotechnical Institute, Russian Academy of Sciences, ul. Politekhnicheskaya 26, St. Petersburg</wicri:regionArea><wicri:noRegion>Ioffe Physicotechnical Institute, Russian Academy of Sciences, ul. Politekhnicheskaya 26, St. Petersburg, 194021 Russia</wicri:noRegion></affiliation></author><author><name sortKey="Parfeneva, L S" uniqKey="Parfeneva L">L. S. Parfeneva</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Ioffe Physicotechnical Institute, Russian Academy of Sciences, ul. Politekhnicheskaya 26, St. Petersburg, 194021 Russia</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country xml:lang="fr">Russie</country><wicri:regionArea>Ioffe Physicotechnical Institute, Russian Academy of Sciences, ul. Politekhnicheskaya 26, St. Petersburg</wicri:regionArea><wicri:noRegion>Ioffe Physicotechnical Institute, Russian Academy of Sciences, ul. Politekhnicheskaya 26, St. Petersburg, 194021 Russia</wicri:noRegion></affiliation></author><author><name sortKey="Smirnov, I A" uniqKey="Smirnov I">I. A. Smirnov</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Ioffe Physicotechnical Institute, Russian Academy of Sciences, ul. Politekhnicheskaya 26, St. Petersburg, 194021 Russia</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country xml:lang="fr">Russie</country><wicri:regionArea>Ioffe Physicotechnical Institute, Russian Academy of Sciences, ul. Politekhnicheskaya 26, St. Petersburg</wicri:regionArea><wicri:noRegion>Ioffe Physicotechnical Institute, Russian Academy of Sciences, ul. Politekhnicheskaya 26, St. Petersburg, 194021 Russia</wicri:noRegion></affiliation></author><author><name sortKey="Misiorek, H" uniqKey="Misiorek H">H. Misiorek</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Institute of Low-Temperature and Structural Research, Polish Academy of Sciences, Wroclaw, 53-529 Poland</s1><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country xml:lang="fr">Pologne</country><wicri:regionArea>Institute of Low-Temperature and Structural Research, Polish Academy of Sciences, Wroclaw</wicri:regionArea><wicri:noRegion>Institute of Low-Temperature and Structural Research, Polish Academy of Sciences, Wroclaw, 53-529 Poland</wicri:noRegion></affiliation></author><author><name sortKey="Mucha, J" uniqKey="Mucha J">J. Mucha</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Institute of Low-Temperature and Structural Research, Polish Academy of Sciences, Wroclaw, 53-529 Poland</s1><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country xml:lang="fr">Pologne</country><wicri:regionArea>Institute of Low-Temperature and Structural Research, Polish Academy of Sciences, Wroclaw</wicri:regionArea><wicri:noRegion>Institute of Low-Temperature and Structural Research, Polish Academy of Sciences, Wroclaw, 53-529 Poland</wicri:noRegion></affiliation></author><author><name sortKey="Jezowski, A" uniqKey="Jezowski A">A. Jezowski</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Institute of Low-Temperature and Structural Research, Polish Academy of Sciences, Wroclaw, 53-529 Poland</s1><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country xml:lang="fr">Pologne</country><wicri:regionArea>Institute of Low-Temperature and Structural Research, Polish Academy of Sciences, Wroclaw</wicri:regionArea><wicri:noRegion>Institute of Low-Temperature and Structural Research, Polish Academy of Sciences, Wroclaw, 53-529 Poland</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">01-0407261</idno><date when="2001-10">2001-10</date><idno type="stanalyst">PASCAL 01-0407261 AIP</idno><idno type="RBID">Pascal:01-0407261</idno><idno type="wicri:Area/Main/Corpus">010793</idno><idno type="wicri:Area/Main/Repository">00FD49</idno><idno type="wicri:Area/Russie/Extraction">000868</idno></publicationStmt><seriesStmt><idno type="ISSN">1063-7834</idno><title level="j" type="abbreviated">Phys. solid state</title><title level="j" type="main">Physics of the solid state</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Copper alloys</term><term>Electrical conductivity</term><term>Experimental study</term><term>Heavy fermion systems</term><term>Indium alloys</term><term>Paramagnetic materials</term><term>Silver alloys</term><term>Thermal conductivity</term><term>Ytterbium alloys</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>7215E</term><term>7520E</term><term>Etude expérimentale</term><term>Système fermions lourds</term><term>Ytterbium alliage</term><term>Indium alliage</term><term>Argent alliage</term><term>Cuivre alliage</term><term>Conductivité thermique</term><term>Conductivité électrique</term><term>Matériau paramagnétique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This paper reports on the electrical resistivity and thermal conductivity of polycrystalline YbIn<sub>0.7</sub>Ag<sub>0.3</sub>Cu<sub>4</sub> at temperatures from 4.2 to 300 K, which exhibits, at T<sub>v</sub> , a continuous isostructural first-order phase transition from a Curie-Weiss paramagnet with localized magnetic moments (for T > T<sub>v</sub>) to a Pauli paramagnet in a nonmagnetic Fermi liquid state with the Yb ion in a mixed valence state (for T < T<sub>v</sub> ). It is shown that for T < T<sub>v</sub> , the Lorenz number behaves in accordance with the theoretical model developed for heavy-fermion materials, while for T > T<sub>v</sub> , it acquires the value typical of standard metals. © 2001 MAIK Nauka / Interperiodica .</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>1063-7834</s0></fA01><fA02 i1="01"><s0>PSOSED</s0></fA02><fA03 i2="1"><s0>Phys. solid state</s0></fA03><fA05><s2>43</s2></fA05><fA06><s2>10</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Thermal Conductivity of the Light Heavy-Fermion Compound YbIn<sub>0.7</sub>Ag<sub>0.3</sub>Cu<sub>4</sub></s1></fA08><fA11 i1="01" i2="1"><s1>GOLUBKOV (A. V.)</s1></fA11><fA11 i1="02" i2="1"><s1>PARFENEVA (L. S.)</s1></fA11><fA11 i1="03" i2="1"><s1>SMIRNOV (I. 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All rights reserved.</s1></fA44><fA47 i1="01" i2="1"><s0>01-0407261</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Physics of the solid state</s0></fA64><fA66 i1="01"><s0>USA</s0></fA66><fC01 i1="01" l="ENG"><s0>This paper reports on the electrical resistivity and thermal conductivity of polycrystalline YbIn<sub>0.7</sub>Ag<sub>0.3</sub>Cu<sub>4</sub> at temperatures from 4.2 to 300 K, which exhibits, at T<sub>v</sub> , a continuous isostructural first-order phase transition from a Curie-Weiss paramagnet with localized magnetic moments (for T > T<sub>v</sub>) to a Pauli paramagnet in a nonmagnetic Fermi liquid state with the Yb ion in a mixed valence state (for T < T<sub>v</sub> ). It is shown that for T < T<sub>v</sub> , the Lorenz number behaves in accordance with the theoretical model developed for heavy-fermion materials, while for T > T<sub>v</sub> , it acquires the value typical of standard metals. © 2001 MAIK Nauka / Interperiodica .</s0></fC01><fC02 i1="01" i2="3"><s0>001B70B15E</s0></fC02><fC02 i1="02" i2="3"><s0>001B70E20E</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>7215E</s0><s2>PAC</s2><s4>INC</s4></fC03><fC03 i1="02" i2="3" l="FRE"><s0>7520E</s0><s2>PAC</s2><s4>INC</s4></fC03><fC03 i1="03" i2="3" l="FRE"><s0>Etude expérimentale</s0></fC03><fC03 i1="03" i2="3" l="ENG"><s0>Experimental study</s0></fC03><fC03 i1="04" i2="3" l="FRE"><s0>Système fermions lourds</s0></fC03><fC03 i1="04" i2="3" l="ENG"><s0>Heavy fermion systems</s0></fC03><fC03 i1="05" i2="3" l="FRE"><s0>Ytterbium alliage</s0></fC03><fC03 i1="05" i2="3" l="ENG"><s0>Ytterbium alloys</s0></fC03><fC03 i1="06" i2="3" l="FRE"><s0>Indium alliage</s0></fC03><fC03 i1="06" i2="3" l="ENG"><s0>Indium alloys</s0></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Argent alliage</s0></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Silver alloys</s0></fC03><fC03 i1="08" i2="3" l="FRE"><s0>Cuivre alliage</s0></fC03><fC03 i1="08" i2="3" l="ENG"><s0>Copper alloys</s0></fC03><fC03 i1="09" i2="3" l="FRE"><s0>Conductivité thermique</s0></fC03><fC03 i1="09" i2="3" l="ENG"><s0>Thermal conductivity</s0></fC03><fC03 i1="10" i2="3" l="FRE"><s0>Conductivité électrique</s0></fC03><fC03 i1="10" i2="3" l="ENG"><s0>Electrical conductivity</s0></fC03><fC03 i1="11" i2="3" l="FRE"><s0>Matériau paramagnétique</s0></fC03><fC03 i1="11" i2="3" l="ENG"><s0>Paramagnetic materials</s0></fC03><fN21><s1>281</s1></fN21><fN47 i1="01" i2="1"><s0>0140M001380</s0></fN47></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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