IndiumV3, Main, Repository, bibRecord, 010870

Superconductivity and magnetism in a new class of heavy-fermion materials

Identifieur interne : 010870 ( Main/Repository ); précédent : 010869; suivant : 010871

Superconductivity and magnetism in a new class of heavy-fermion materials

Auteurs : RBID : Pascal:01-0409936

Descripteurs français

Pascal (Inist)
- Supraconductivité, Magnétisme, Fermion lourd, Chaleur massique, Antiferromagnétisme, Cérium alliage, Indium alliage, Rhodium alliage, Iridium alliage, Alliage ternaire, Etude expérimentale, 7425H, 7470T.

English descriptors

KwdEn :
- Antiferromagnetism, Cerium alloys, Experimental study, Heavy fermions, Indium alloys, Iridium alloys, Magnetism, Rhodium alloys, Specific heat, Superconductivity, Ternary alloys.

Abstract

We report a new family of Ce-based heavy-fermion compounds whose electronic specific heat coefficients range from about 400 to over 700 mJ/mol-Ce K² Crystals in this family form as Ce_nT_mIn_3n2m, where T = Rh or Ir, n = 1 or 2, and m = 1, with a tetragonal structure that can be viewed as n-layers of CeIn₃ units stacked sequentially along the c-axis with intervening m-layers of TIn₂. Ambient and high-pressure studies show that the quasi-2D layers of CeIn₃produce unconventional superconducting and magnetic ground states. This family should enable new understanding of the relationship between magnetism and superconductivity in heavy-fermion materials and more generally of why heavy-fermion superconductivity prefers to develop in one structure type and not another.

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Pascal:01-0409936

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<author><name sortKey="Phillips, N E" uniqKey="Phillips N">N. E. Phillips</name>
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<author><name sortKey="Sarrao, J L" uniqKey="Sarrao J">J. L. Sarrao</name>
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<publicationStmt><idno type="inist">01-0409936</idno>
<date when="2001">2001</date>
<idno type="stanalyst">PASCAL 01-0409936 INIST</idno>
<idno type="RBID">Pascal:01-0409936</idno>
<idno type="wicri:Area/Main/Corpus">010781</idno>
<idno type="wicri:Area/Main/Repository">010870</idno>
</publicationStmt>
<seriesStmt><idno type="ISSN">0304-8853</idno>
<title level="j" type="abbreviated">J. magn. magn. mater.</title>
<title level="j" type="main">Journal of magnetism and magnetic materials</title>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Antiferromagnetism</term>
<term>Cerium alloys</term>
<term>Experimental study</term>
<term>Heavy fermions</term>
<term>Indium alloys</term>
<term>Iridium alloys</term>
<term>Magnetism</term>
<term>Rhodium alloys</term>
<term>Specific heat</term>
<term>Superconductivity</term>
<term>Ternary alloys</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Supraconductivité</term>
<term>Magnétisme</term>
<term>Fermion lourd</term>
<term>Chaleur massique</term>
<term>Antiferromagnétisme</term>
<term>Cérium alliage</term>
<term>Indium alliage</term>
<term>Rhodium alliage</term>
<term>Iridium alliage</term>
<term>Alliage ternaire</term>
<term>Etude expérimentale</term>
<term>7425H</term>
<term>7470T</term>
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</teiHeader>
<front><div type="abstract" xml:lang="en">We report a new family of Ce-based heavy-fermion compounds whose electronic specific heat coefficients range from about 400 to over 700 mJ/mol-Ce K<sup>2</sup>
 Crystals in this family form as Ce<sub>n</sub>
T<sub>m</sub>
In<sub>3n2m</sub>
, where T = Rh or Ir, n = 1 or 2, and m = 1, with a tetragonal structure that can be viewed as n-layers of CeIn<sub>3</sub>
 units stacked sequentially along the c-axis with intervening m-layers of TIn<sub>2</sub>
. Ambient and high-pressure studies show that the quasi-2D layers of CeIn<sub>3</sub>
produce unconventional superconducting and magnetic ground states. This family should enable new understanding of the relationship between magnetism and superconductivity in heavy-fermion materials and more generally of why heavy-fermion superconductivity prefers to develop in one structure type and not another.</div>
</front>
</TEI>
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</fA02>
<fA03 i2="1"><s0>J. magn. magn. mater.</s0>
</fA03>
<fA05><s2>226-30</s2>
</fA05>
<fA06><s3>PART1</s3>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>Superconductivity and magnetism in a new class of heavy-fermion materials</s1>
</fA08>
<fA09 i1="01" i2="1" l="ENG"><s1>Proceedings of the International Conference on Magnetism (Part I)</s1>
</fA09>
<fA11 i1="01" i2="1"><s1>THOMPSON (J. D.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>MOVSHOVICH (R.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>FISK (Z.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>BOUQUET (F.)</s1>
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<fA11 i1="12" i2="1"><s1>PETROVIC (C.)</s1>
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<fA11 i1="13" i2="1"><s1>PHILLIPS (N. E.)</s1>
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<fA11 i1="14" i2="1"><s1>SARRAO (J. L.)</s1>
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<s9>ed.</s9>
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<fA12 i1="06" i2="1"><s1>NOVAK (M. A.)</s1>
<s9>ed.</s9>
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<s9>ed.</s9>
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<s9>ed.</s9>
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<fA14 i1="01"><s1>Los Alamos National Laboratory, MS K765</s1>
<s2>Los Alamos, NM 87545</s2>
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<fA15 i1="02"><s1>Universidade de São Paulo</s1>
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<fA15 i1="03"><s1>Universidade Federal do Rio de Janeiro</s1>
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<fA15 i1="05"><s1>Universidade Federal de São Carlos</s1>
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</fA15>
<fA15 i1="06"><s1>Universidade Federal de Minas Gerais</s1>
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<s3>BRA</s3>
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</fA15>
<fA18 i1="01" i2="1"><s1>Sociedade Brasileira de Física</s1>
<s3>BRA</s3>
<s9>patr.</s9>
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<fA18 i1="02" i2="1"><s1>Universidade Federal de Pernambuco</s1>
<s3>BRA</s3>
<s9>patr.</s9>
</fA18>
<fA18 i1="03" i2="1"><s1>Universidade de São Paulo</s1>
<s3>BRA</s3>
<s9>patr.</s9>
</fA18>
<fA18 i1="04" i2="1"><s1>Centro Brasileiro de Pesquisas Físicas</s1>
<s3>BRA</s3>
<s9>patr.</s9>
</fA18>
<fA18 i1="05" i2="1"><s1>Universidade Federal do Rio de Janeiro</s1>
<s3>BRA</s3>
<s9>patr.</s9>
</fA18>
<fA18 i1="06" i2="1"><s1>Universidade Federal Fluminense</s1>
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<fA18 i1="07" i2="1"><s1>International Union for Pure and Applied Physics</s1>
<s3>INT</s3>
<s9>patr.</s9>
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<fA20><s1>5-10</s1>
</fA20>
<fA21><s1>2001</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>17230</s2>
<s5>354000095885500020</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2001 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>21 ref.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>01-0409936</s0>
</fA47>
<fA60><s1>P</s1>
<s2>C</s2>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Journal of magnetism and magnetic materials</s0>
</fA64>
<fA66 i1="01"><s0>NLD</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>We report a new family of Ce-based heavy-fermion compounds whose electronic specific heat coefficients range from about 400 to over 700 mJ/mol-Ce K<sup>2</sup>
 Crystals in this family form as Ce<sub>n</sub>
T<sub>m</sub>
In<sub>3n2m</sub>
, where T = Rh or Ir, n = 1 or 2, and m = 1, with a tetragonal structure that can be viewed as n-layers of CeIn<sub>3</sub>
 units stacked sequentially along the c-axis with intervening m-layers of TIn<sub>2</sub>
. Ambient and high-pressure studies show that the quasi-2D layers of CeIn<sub>3</sub>
produce unconventional superconducting and magnetic ground states. This family should enable new understanding of the relationship between magnetism and superconductivity in heavy-fermion materials and more generally of why heavy-fermion superconductivity prefers to develop in one structure type and not another.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001B70D25H</s0>
</fC02>
<fC02 i1="02" i2="3"><s0>001B70D70T</s0>
</fC02>
<fC03 i1="01" i2="3" l="FRE"><s0>Supraconductivité</s0>
<s5>02</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>Superconductivity</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE"><s0>Magnétisme</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG"><s0>Magnetism</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="3" l="FRE"><s0>Fermion lourd</s0>
<s5>04</s5>
</fC03>
<fC03 i1="03" i2="3" l="ENG"><s0>Heavy fermions</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="3" l="FRE"><s0>Chaleur massique</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="3" l="ENG"><s0>Specific heat</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE"><s0>Antiferromagnétisme</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>Antiferromagnetism</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Cérium alliage</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG"><s0>Cerium alloys</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE"><s0>Indium alliage</s0>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG"><s0>Indium alloys</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE"><s0>Rhodium alliage</s0>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG"><s0>Rhodium alloys</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="3" l="FRE"><s0>Iridium alliage</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="3" l="ENG"><s0>Iridium alloys</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE"><s0>Alliage ternaire</s0>
<s5>11</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG"><s0>Ternary alloys</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE"><s0>Etude expérimentale</s0>
<s5>12</s5>
</fC03>
<fC03 i1="11" i2="3" l="ENG"><s0>Experimental study</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="3" l="FRE"><s0>7425H</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>56</s5>
</fC03>
<fC03 i1="13" i2="3" l="FRE"><s0>7470T</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>57</s5>
</fC03>
<fN21><s1>288</s1>
</fN21>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>ICM 2000 International Conference on Magnetism</s1>
<s2>15</s2>
<s3>Recife BRA</s3>
<s4>2000-08-06</s4>
</fA30>
</pR>
</standard>
</inist>
</record>

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Superconductivity and magnetism in a new class of heavy-fermion materials

Superconductivity and magnetism in a new class of heavy-fermion materials

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