Field induced metastabilities in U(Ru0.96Rh0.04)2Si2
Identifieur interne : 007965 ( Main/Repository ); précédent : 007964; suivant : 007966Field induced metastabilities in U(Ru0.96Rh0.04)2Si2
Auteurs : RBID : Pascal:07-0460501Descripteurs français
- Pascal (Inist)
- Etat métastable, Anisotropie, Modèle itinérant, Effet champ magnétique, Transition phase quantique, Joint phase, Chaleur massique, Anomalie, Effet magnétocalorique, Dépendance temps, Modèle état critique, Impureté, Addition rhodium, Fermion lourd, Composé valence mixte, Indium alliage, Ruthénium alliage, Silicium alliage.
English descriptors
- KwdEn :
- Anisotropy, Anomaly, Critical state model, Heavy fermions, Impurities, Indium alloys, Itinerant model, Magnetic field effects, Magnetocaloric effects, Metastable states, Mixed-valence compounds, Phase boundaries, Quantum phase transition, Rhodium additions, Ruthenium alloys, Silicon alloys, Specific heat, Time dependence.
Abstract
U(Ru0.96Rh0.04)2Si2 is an anisotropic itinerant 5f heavy electron system which exhibits a single field induced magnetic phase concealing a quantum critical point. We show that the boundary of this phase corresponds to a first order transition as revealed by (1) a large and symmetric specific heat anomaly, (2) an asymmetric magnetocaloric effect on entering and exiting this phase, and (3) a clear history and time-dependent specific heat. We explore the thermodynamic similarities with the mixed valence compound YbInCu4 and show that the out-of-equilibrium properties are analogous to those depicted by the critical state model for hard superconductors.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Field induced metastabilities in U(Ru<sub>0.96</sub>Rh<sub>0.04</sub>)<sub>2</sub>Si<sub>2</sub></title><author><name sortKey="Silhanek, A V" uniqKey="Silhanek A">A. V. Silhanek</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>National High Magnetic Field Laboratory, Los Alamos National Laboratory, MS E536</s1><s2>Los Aluinos, NM 87545</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">État du Mississippi</region></placeName></affiliation></author><author><name sortKey="Jaime, M" uniqKey="Jaime M">M. Jaime</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>National High Magnetic Field Laboratory, Los Alamos National Laboratory, MS E536</s1><s2>Los Aluinos, NM 87545</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">État du Mississippi</region></placeName></affiliation></author><author><name sortKey="Harrison, N" uniqKey="Harrison N">N. Harrison</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>National High Magnetic Field Laboratory, Los Alamos National Laboratory, MS E536</s1><s2>Los Aluinos, NM 87545</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">État du Mississippi</region></placeName></affiliation></author><author><name sortKey="Batista, C D" uniqKey="Batista C">C. D. Batista</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>T-11, Los Alamos National Laboratory, MS B262</s1><s2>Los Alamos. NM 87545</s2><s3>USA</s3><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">État du Mississippi</region></placeName></affiliation></author><author><name sortKey="Amitsuka, H" uniqKey="Amitsuka H">H. Amitsuka</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Graduate School of Science. Hokkaido University. NIOW8</s1><s2>Sapporo 060-0810</s2><s3>JPN</s3><sZ>5 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Graduate School of Science. Hokkaido University. NIOW8</wicri:noRegion></affiliation></author><author><name sortKey="Nakatsuji, S" uniqKey="Nakatsuji S">S. Nakatsuji</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>National High Magnetic Field Laboratory, Florida State University</s1><s2>Talluhassee, FL 32306</s2><s3>USA</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Talluhassee, FL 32306</wicri:noRegion></affiliation></author><author><name sortKey="Balicas, L" uniqKey="Balicas L">L. Balicas</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>National High Magnetic Field Laboratory, Florida State University</s1><s2>Talluhassee, FL 32306</s2><s3>USA</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Talluhassee, FL 32306</wicri:noRegion></affiliation></author><author><name sortKey="Kim, K H" uniqKey="Kim K">K. H. Kim</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>National High Magnetic Field Laboratory, Los Alamos National Laboratory, MS E536</s1><s2>Los Aluinos, NM 87545</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">État du Mississippi</region></placeName></affiliation></author><author><name sortKey="Mydosh, J A" uniqKey="Mydosh J">J. A. Mydosh</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Max-Planck-lnstitut fur Cheinische Physik fester Stoffe</s1><s2>01187 Dresden</s2><s3>DEU</s3><sZ>9 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>01187 Dresden</wicri:noRegion><wicri:noRegion>Max-Planck-lnstitut fur Cheinische Physik fester Stoffe</wicri:noRegion><wicri:noRegion>Max-Planck-lnstitut fur Cheinische Physik fester Stoffe</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">07-0460501</idno><date when="2007">2007</date><idno type="stanalyst">PASCAL 07-0460501 INIST</idno><idno type="RBID">Pascal:07-0460501</idno><idno type="wicri:Area/Main/Corpus">007340</idno><idno type="wicri:Area/Main/Repository">007965</idno></publicationStmt><seriesStmt><idno type="ISSN">0921-4534</idno><title level="j" type="abbreviated">Phys., C Supercond.</title><title level="j" type="main">Physica. C. Superconductivity</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anisotropy</term><term>Anomaly</term><term>Critical state model</term><term>Heavy fermions</term><term>Impurities</term><term>Indium alloys</term><term>Itinerant model</term><term>Magnetic field effects</term><term>Magnetocaloric effects</term><term>Metastable states</term><term>Mixed-valence compounds</term><term>Phase boundaries</term><term>Quantum phase transition</term><term>Rhodium additions</term><term>Ruthenium alloys</term><term>Silicon alloys</term><term>Specific heat</term><term>Time dependence</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Etat métastable</term><term>Anisotropie</term><term>Modèle itinérant</term><term>Effet champ magnétique</term><term>Transition phase quantique</term><term>Joint phase</term><term>Chaleur massique</term><term>Anomalie</term><term>Effet magnétocalorique</term><term>Dépendance temps</term><term>Modèle état critique</term><term>Impureté</term><term>Addition rhodium</term><term>Fermion lourd</term><term>Composé valence mixte</term><term>Indium alliage</term><term>Ruthénium alliage</term><term>Silicium alliage</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">U(Ru<sub>0.96</sub>Rh<sub>0.04</sub>)<sub>2</sub>Si<sub>2</sub> is an anisotropic itinerant 5f heavy electron system which exhibits a single field induced magnetic phase concealing a quantum critical point. We show that the boundary of this phase corresponds to a first order transition as revealed by (1) a large and symmetric specific heat anomaly, (2) an asymmetric magnetocaloric effect on entering and exiting this phase, and (3) a clear history and time-dependent specific heat. We explore the thermodynamic similarities with the mixed valence compound YbInCu<sub>4</sub> and show that the out-of-equilibrium properties are analogous to those depicted by the critical state model for hard superconductors.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0921-4534</s0></fA01><fA03 i2="1"><s0>Phys., C Supercond.</s0></fA03><fA05><s2>460-462</s2></fA05><fA06><s2>1</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Field induced metastabilities in U(Ru<sub>0.96</sub>Rh<sub>0.04</sub>)<sub>2</sub>Si<sub>2</sub></s1></fA08><fA09 i1="01" i2="1" l="ENG"><s1>Proceedings of the 8th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors - M2S-HTSC VIII, Dresden, Germany, July 9-14, 2006. Part 1</s1></fA09><fA11 i1="01" i2="1"><s1>SILHANEK (A. V.)</s1></fA11><fA11 i1="02" i2="1"><s1>JAIME (M.)</s1></fA11><fA11 i1="03" i2="1"><s1>HARRISON (N.)</s1></fA11><fA11 i1="04" i2="1"><s1>BATISTA (C. D.)</s1></fA11><fA11 i1="05" i2="1"><s1>AMITSUKA (H.)</s1></fA11><fA11 i1="06" i2="1"><s1>NAKATSUJI (S.)</s1></fA11><fA11 i1="07" i2="1"><s1>BALICAS (L.)</s1></fA11><fA11 i1="08" i2="1"><s1>KIM (K. H.)</s1></fA11><fA11 i1="09" i2="1"><s1>MYDOSH (J. A.)</s1></fA11><fA12 i1="01" i2="1"><s1>BÜCHNER (Bernd)</s1><s9>ed.</s9></fA12><fA12 i1="02" i2="1"><s1>FINK (Jörg)</s1><s9>ed.</s9></fA12><fA14 i1="01"><s1>National High Magnetic Field Laboratory, Los Alamos National Laboratory, MS E536</s1><s2>Los Aluinos, NM 87545</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>8 aut.</sZ></fA14><fA14 i1="02"><s1>T-11, Los Alamos National Laboratory, MS B262</s1><s2>Los Alamos. NM 87545</s2><s3>USA</s3><sZ>4 aut.</sZ></fA14><fA14 i1="03"><s1>Graduate School of Science. Hokkaido University. NIOW8</s1><s2>Sapporo 060-0810</s2><s3>JPN</s3><sZ>5 aut.</sZ></fA14><fA14 i1="04"><s1>National High Magnetic Field Laboratory, Florida State University</s1><s2>Talluhassee, FL 32306</s2><s3>USA</s3><sZ>6 aut.</sZ><sZ>7 aut.</sZ></fA14><fA14 i1="05"><s1>Max-Planck-lnstitut fur Cheinische Physik fester Stoffe</s1><s2>01187 Dresden</s2><s3>DEU</s3><sZ>9 aut.</sZ></fA14><fA20><s1>682-683</s1></fA20><fA21><s1>2007</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>145C</s2><s5>354000149761962470</s5></fA43><fA44><s0>0000</s0><s1>© 2007 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>3 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>07-0460501</s0></fA47><fA60><s1>P</s1><s2>C</s2></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Physica. C. Superconductivity</s0></fA64><fA66 i1="01"><s0>NLD</s0></fA66><fC01 i1="01" l="ENG"><s0>U(Ru<sub>0.96</sub>Rh<sub>0.04</sub>)<sub>2</sub>Si<sub>2</sub> is an anisotropic itinerant 5f heavy electron system which exhibits a single field induced magnetic phase concealing a quantum critical point. We show that the boundary of this phase corresponds to a first order transition as revealed by (1) a large and symmetric specific heat anomaly, (2) an asymmetric magnetocaloric effect on entering and exiting this phase, and (3) a clear history and time-dependent specific heat. We explore the thermodynamic similarities with the mixed valence compound YbInCu<sub>4</sub> and show that the out-of-equilibrium properties are analogous to those depicted by the critical state model for hard superconductors.</s0></fC01><fC02 i1="01" i2="3"><s0>001B70E30S</s0></fC02><fC02 i1="02" i2="3"><s0>001B70E30M</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>Etat métastable</s0><s5>02</s5></fC03><fC03 i1="01" i2="3" l="ENG"><s0>Metastable states</s0><s5>02</s5></fC03><fC03 i1="02" i2="3" l="FRE"><s0>Anisotropie</s0><s5>03</s5></fC03><fC03 i1="02" i2="3" l="ENG"><s0>Anisotropy</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="FRE"><s0>Modèle itinérant</s0><s5>04</s5></fC03><fC03 i1="03" i2="X" l="ENG"><s0>Itinerant model</s0><s5>04</s5></fC03><fC03 i1="03" i2="X" l="SPA"><s0>Modelo itinerante</s0><s5>04</s5></fC03><fC03 i1="04" i2="3" l="FRE"><s0>Effet champ magnétique</s0><s5>05</s5></fC03><fC03 i1="04" i2="3" l="ENG"><s0>Magnetic field effects</s0><s5>05</s5></fC03><fC03 i1="05" i2="3" l="FRE"><s0>Transition phase quantique</s0><s5>06</s5></fC03><fC03 i1="05" i2="3" l="ENG"><s0>Quantum phase transition</s0><s5>06</s5></fC03><fC03 i1="06" i2="3" l="FRE"><s0>Joint phase</s0><s5>07</s5></fC03><fC03 i1="06" i2="3" l="ENG"><s0>Phase boundaries</s0><s5>07</s5></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Chaleur massique</s0><s5>08</s5></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Specific heat</s0><s5>08</s5></fC03><fC03 i1="08" i2="X" l="FRE"><s0>Anomalie</s0><s5>09</s5></fC03><fC03 i1="08" i2="X" l="ENG"><s0>Anomaly</s0><s5>09</s5></fC03><fC03 i1="08" i2="X" l="SPA"><s0>Anomalía</s0><s5>09</s5></fC03><fC03 i1="09" i2="3" l="FRE"><s0>Effet magnétocalorique</s0><s5>10</s5></fC03><fC03 i1="09" i2="3" l="ENG"><s0>Magnetocaloric effects</s0><s5>10</s5></fC03><fC03 i1="10" i2="3" l="FRE"><s0>Dépendance temps</s0><s5>11</s5></fC03><fC03 i1="10" i2="3" l="ENG"><s0>Time dependence</s0><s5>11</s5></fC03><fC03 i1="11" i2="3" l="FRE"><s0>Modèle état critique</s0><s5>12</s5></fC03><fC03 i1="11" i2="3" l="ENG"><s0>Critical state model</s0><s5>12</s5></fC03><fC03 i1="12" i2="3" l="FRE"><s0>Impureté</s0><s5>13</s5></fC03><fC03 i1="12" i2="3" l="ENG"><s0>Impurities</s0><s5>13</s5></fC03><fC03 i1="13" i2="3" l="FRE"><s0>Addition rhodium</s0><s5>14</s5></fC03><fC03 i1="13" i2="3" l="ENG"><s0>Rhodium additions</s0><s5>14</s5></fC03><fC03 i1="14" i2="3" l="FRE"><s0>Fermion lourd</s0><s5>15</s5></fC03><fC03 i1="14" i2="3" l="ENG"><s0>Heavy fermions</s0><s5>15</s5></fC03><fC03 i1="15" i2="3" l="FRE"><s0>Composé valence mixte</s0><s5>16</s5></fC03><fC03 i1="15" i2="3" l="ENG"><s0>Mixed-valence compounds</s0><s5>16</s5></fC03><fC03 i1="16" i2="3" l="FRE"><s0>Indium alliage</s0><s5>17</s5></fC03><fC03 i1="16" i2="3" l="ENG"><s0>Indium alloys</s0><s5>17</s5></fC03><fC03 i1="17" i2="3" l="FRE"><s0>Ruthénium alliage</s0><s5>18</s5></fC03><fC03 i1="17" i2="3" l="ENG"><s0>Ruthenium alloys</s0><s5>18</s5></fC03><fC03 i1="18" i2="3" l="FRE"><s0>Silicium alliage</s0><s5>19</s5></fC03><fC03 i1="18" i2="3" l="ENG"><s0>Silicon alloys</s0><s5>19</s5></fC03><fN21><s1>302</s1></fN21></pA><pR><fA30 i1="01" i2="1" l="ENG"><s1>M2S-HTSC VIII : International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors</s1><s2>8</s2><s3>Dresden DEU</s3><s4>2006-07-09</s4></fA30></pR></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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