Abrikosov-to-Josephson vortex lattice crossover in heavy fermion CeCoIn5
Identifieur interne : 009123 ( Main/Repository ); précédent : 009122; suivant : 009124Abrikosov-to-Josephson vortex lattice crossover in heavy fermion CeCoIn5
Auteurs : RBID : Pascal:06-0308781Descripteurs français
- Pascal (Inist)
- Effet Josephson, Flux magnétique, Réseau ligne flux, Aimantation, Effet champ magnétique, Orientation champ, Effet pic, Champ tournant, Théorie Abrikosov, Variation angulaire, Tourbillon, Cérium alliage, Cobalt alliage, Indium alliage, Supraconducteur fermion lourd, Lanthanide alliage, Métal transition alliage, CeCoIn5, 7425Q, 7470T.
English descriptors
- KwdEn :
- Abrikosov theory, Angular variation, Cerium alloys, Cobalt alloys, Field orientation, Flux-line lattices, Heavy fermion superconductors, Indium alloys, Josephson effect, Magnetic field effects, Magnetic flux, Magnetization, Peak effect, Rare earth alloys, Rotating field, Transition element alloys, Vortices.
Abstract
We present torque magnetization measurements on the quasi-2D heavy fermion superconductor CeCoIn5 at temperatures down to 20 mK and magnetic fields up to 18 T. At orientations with the magnetic field perpendicular to the conducting planes, a prominent vortex lattice peak effect is present at around 0.5Hc2. The peak effect gradually disappears upon rotating the field into the plane parallel orientation. We interpret the absence of the peak effect for the plane parallel case as a transformation of the Abrikosov lattice into a Josephson vortex state, favored by the Pauli paramagnetic limit in CeCoIn5 together with the unusually large condensation energy. Additionally, we do not observe flux avalanches as found in organic superconductors and suggest that the complete absence of vortex activity in the plane parallel field orientation is crucial for the formation of Fulde-Ferrell-Larkin-Ovchinnikov superconductivity in CeCoIn5.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Abrikosov-to-Josephson vortex lattice crossover in heavy fermion CeCoIn<sub>5</sub></title><author><name sortKey="Radovan, H A" uniqKey="Radovan H">H. A. Radovan</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Physics, University of Puerto Rico</s1><s2>Mayagüez, PR 00680</s2><s3>USA</s3><sZ>1 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Mayagüez, PR 00680</wicri:noRegion></affiliation></author><author><name sortKey="Murphy, T P" uniqKey="Murphy T">T. P. Murphy</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>NHMFL, Florida State University</s1><s2>Tallahassee, FL 32310</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Tallahassee, FL 32310</wicri:noRegion></affiliation></author><author><name sortKey="Palm, E C" uniqKey="Palm E">E. C. Palm</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>NHMFL, Florida State University</s1><s2>Tallahassee, FL 32310</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Tallahassee, FL 32310</wicri:noRegion></affiliation></author><author><name sortKey="Tozer, S W" uniqKey="Tozer S">S. W. Tozer</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>NHMFL, Florida State University</s1><s2>Tallahassee, FL 32310</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Tallahassee, FL 32310</wicri:noRegion></affiliation></author><author><name sortKey="Cooley, J C" uniqKey="Cooley J">J. C. Cooley</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Los Alamos National Laboratory, MST-6</s1><s2>Los Alamos, NM 87545</s2><s3>USA</s3><sZ>5 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">État du Mississippi</region></placeName></affiliation></author><author><name sortKey="Mihut, I" uniqKey="Mihut I">I. Mihut</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>NHMFL, Los Alamos National Laboratory</s1><s2>Los Alamos, NM 87545</s2><s3>USA</s3><sZ>6 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Los Alamos, NM 87545</wicri:noRegion></affiliation></author><author><name sortKey="Agosta, C C" uniqKey="Agosta C">C. C. Agosta</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Department of Physics, Clark University</s1><s2>Worcester, MA 01610</s2><s3>USA</s3><sZ>7 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Worcester, MA 01610</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">06-0308781</idno><date when="2006">2006</date><idno type="stanalyst">PASCAL 06-0308781 INIST</idno><idno type="RBID">Pascal:06-0308781</idno><idno type="wicri:Area/Main/Corpus">008D24</idno><idno type="wicri:Area/Main/Repository">009123</idno></publicationStmt><seriesStmt><idno type="ISSN">1478-6435</idno><title level="j" type="abbreviated">Philos. mag. : (2003, Print)</title><title level="j" type="main">Philosophical magazine : (2003. Print)</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Abrikosov theory</term><term>Angular variation</term><term>Cerium alloys</term><term>Cobalt alloys</term><term>Field orientation</term><term>Flux-line lattices</term><term>Heavy fermion superconductors</term><term>Indium alloys</term><term>Josephson effect</term><term>Magnetic field effects</term><term>Magnetic flux</term><term>Magnetization</term><term>Peak effect</term><term>Rare earth alloys</term><term>Rotating field</term><term>Transition element alloys</term><term>Vortices</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Effet Josephson</term><term>Flux magnétique</term><term>Réseau ligne flux</term><term>Aimantation</term><term>Effet champ magnétique</term><term>Orientation champ</term><term>Effet pic</term><term>Champ tournant</term><term>Théorie Abrikosov</term><term>Variation angulaire</term><term>Tourbillon</term><term>Cérium alliage</term><term>Cobalt alliage</term><term>Indium alliage</term><term>Supraconducteur fermion lourd</term><term>Lanthanide alliage</term><term>Métal transition alliage</term><term>CeCoIn5</term><term>7425Q</term><term>7470T</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We present torque magnetization measurements on the quasi-2D heavy fermion superconductor CeCoIn<sub>5</sub> at temperatures down to 20 mK and magnetic fields up to 18 T. At orientations with the magnetic field perpendicular to the conducting planes, a prominent vortex lattice peak effect is present at around 0.5H<sub>c2</sub>. The peak effect gradually disappears upon rotating the field into the plane parallel orientation. We interpret the absence of the peak effect for the plane parallel case as a transformation of the Abrikosov lattice into a Josephson vortex state, favored by the Pauli paramagnetic limit in CeCoIn<sub>5</sub> together with the unusually large condensation energy. Additionally, we do not observe flux avalanches as found in organic superconductors and suggest that the complete absence of vortex activity in the plane parallel field orientation is crucial for the formation of Fulde-Ferrell-Larkin-Ovchinnikov superconductivity in CeCoIn<sub>5</sub>.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>1478-6435</s0></fA01><fA03 i2="1"><s0>Philos. mag. : (2003, Print)</s0></fA03><fA05><s2>86</s2></fA05><fA06><s2>23</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Abrikosov-to-Josephson vortex lattice crossover in heavy fermion CeCoIn<sub>5</sub></s1></fA08><fA11 i1="01" i2="1"><s1>RADOVAN (H. A.)</s1></fA11><fA11 i1="02" i2="1"><s1>MURPHY (T. P.)</s1></fA11><fA11 i1="03" i2="1"><s1>PALM (E. C.)</s1></fA11><fA11 i1="04" i2="1"><s1>TOZER (S. W.)</s1></fA11><fA11 i1="05" i2="1"><s1>COOLEY (J. C.)</s1></fA11><fA11 i1="06" i2="1"><s1>MIHUT (I.)</s1></fA11><fA11 i1="07" i2="1"><s1>AGOSTA (C. C.)</s1></fA11><fA14 i1="01"><s1>Department of Physics, University of Puerto Rico</s1><s2>Mayagüez, PR 00680</s2><s3>USA</s3><sZ>1 aut.</sZ></fA14><fA14 i1="02"><s1>NHMFL, Florida State University</s1><s2>Tallahassee, FL 32310</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></fA14><fA14 i1="03"><s1>Los Alamos National Laboratory, MST-6</s1><s2>Los Alamos, NM 87545</s2><s3>USA</s3><sZ>5 aut.</sZ></fA14><fA14 i1="04"><s1>NHMFL, Los Alamos National Laboratory</s1><s2>Los Alamos, NM 87545</s2><s3>USA</s3><sZ>6 aut.</sZ></fA14><fA14 i1="05"><s1>Department of Physics, Clark University</s1><s2>Worcester, MA 01610</s2><s3>USA</s3><sZ>7 aut.</sZ></fA14><fA20><s1>3569-3579</s1></fA20><fA21><s1>2006</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>134A3</s2><s5>354000115672120060</s5></fA43><fA44><s0>0000</s0><s1>© 2006 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>43 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>06-0308781</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Philosophical magazine : (2003. Print)</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>We present torque magnetization measurements on the quasi-2D heavy fermion superconductor CeCoIn<sub>5</sub> at temperatures down to 20 mK and magnetic fields up to 18 T. At orientations with the magnetic field perpendicular to the conducting planes, a prominent vortex lattice peak effect is present at around 0.5H<sub>c2</sub>. The peak effect gradually disappears upon rotating the field into the plane parallel orientation. We interpret the absence of the peak effect for the plane parallel case as a transformation of the Abrikosov lattice into a Josephson vortex state, favored by the Pauli paramagnetic limit in CeCoIn<sub>5</sub> together with the unusually large condensation energy. Additionally, we do not observe flux avalanches as found in organic superconductors and suggest that the complete absence of vortex activity in the plane parallel field orientation is crucial for the formation of Fulde-Ferrell-Larkin-Ovchinnikov superconductivity in CeCoIn<sub>5</sub>.</s0></fC01><fC02 i1="01" i2="3"><s0>001B70D25Q</s0></fC02><fC02 i1="02" i2="3"><s0>001B70D70T</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>Effet Josephson</s0><s5>02</s5></fC03><fC03 i1="01" i2="3" l="ENG"><s0>Josephson effect</s0><s5>02</s5></fC03><fC03 i1="02" i2="3" l="FRE"><s0>Flux magnétique</s0><s5>03</s5></fC03><fC03 i1="02" i2="3" l="ENG"><s0>Magnetic flux</s0><s5>03</s5></fC03><fC03 i1="03" i2="3" l="FRE"><s0>Réseau ligne flux</s0><s5>04</s5></fC03><fC03 i1="03" i2="3" l="ENG"><s0>Flux-line lattices</s0><s5>04</s5></fC03><fC03 i1="04" i2="3" l="FRE"><s0>Aimantation</s0><s5>05</s5></fC03><fC03 i1="04" i2="3" l="ENG"><s0>Magnetization</s0><s5>05</s5></fC03><fC03 i1="05" i2="3" l="FRE"><s0>Effet champ magnétique</s0><s5>06</s5></fC03><fC03 i1="05" i2="3" l="ENG"><s0>Magnetic field effects</s0><s5>06</s5></fC03><fC03 i1="06" i2="X" l="FRE"><s0>Orientation champ</s0><s5>07</s5></fC03><fC03 i1="06" i2="X" l="ENG"><s0>Field orientation</s0><s5>07</s5></fC03><fC03 i1="06" i2="X" l="SPA"><s0>Orientacíon campo</s0><s5>07</s5></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Effet pic</s0><s5>08</s5></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Peak effect</s0><s5>08</s5></fC03><fC03 i1="08" i2="X" l="FRE"><s0>Champ tournant</s0><s5>09</s5></fC03><fC03 i1="08" i2="X" l="ENG"><s0>Rotating field</s0><s5>09</s5></fC03><fC03 i1="08" i2="X" l="SPA"><s0>Campo rotativo</s0><s5>09</s5></fC03><fC03 i1="09" i2="3" l="FRE"><s0>Théorie Abrikosov</s0><s5>10</s5></fC03><fC03 i1="09" i2="3" l="ENG"><s0>Abrikosov theory</s0><s5>10</s5></fC03><fC03 i1="10" i2="X" l="FRE"><s0>Variation angulaire</s0><s5>11</s5></fC03><fC03 i1="10" i2="X" l="ENG"><s0>Angular variation</s0><s5>11</s5></fC03><fC03 i1="10" i2="X" l="SPA"><s0>Variación angular</s0><s5>11</s5></fC03><fC03 i1="11" i2="3" l="FRE"><s0>Tourbillon</s0><s5>12</s5></fC03><fC03 i1="11" i2="3" l="ENG"><s0>Vortices</s0><s5>12</s5></fC03><fC03 i1="12" i2="3" l="FRE"><s0>Cérium alliage</s0><s5>16</s5></fC03><fC03 i1="12" i2="3" l="ENG"><s0>Cerium alloys</s0><s5>16</s5></fC03><fC03 i1="13" i2="3" l="FRE"><s0>Cobalt alliage</s0><s5>17</s5></fC03><fC03 i1="13" i2="3" l="ENG"><s0>Cobalt alloys</s0><s5>17</s5></fC03><fC03 i1="14" i2="3" l="FRE"><s0>Indium alliage</s0><s5>18</s5></fC03><fC03 i1="14" i2="3" l="ENG"><s0>Indium alloys</s0><s5>18</s5></fC03><fC03 i1="15" i2="3" l="FRE"><s0>Supraconducteur fermion lourd</s0><s5>19</s5></fC03><fC03 i1="15" i2="3" l="ENG"><s0>Heavy fermion superconductors</s0><s5>19</s5></fC03><fC03 i1="16" i2="3" l="FRE"><s0>Lanthanide alliage</s0><s5>48</s5></fC03><fC03 i1="16" i2="3" l="ENG"><s0>Rare earth alloys</s0><s5>48</s5></fC03><fC03 i1="17" i2="3" l="FRE"><s0>Métal transition alliage</s0><s5>49</s5></fC03><fC03 i1="17" i2="3" l="ENG"><s0>Transition element alloys</s0><s5>49</s5></fC03><fC03 i1="18" i2="3" l="FRE"><s0>CeCoIn5</s0><s4>INC</s4><s5>52</s5></fC03><fC03 i1="19" i2="3" l="FRE"><s0>7425Q</s0><s4>INC</s4><s5>57</s5></fC03><fC03 i1="20" i2="3" l="FRE"><s0>7470T</s0><s4>INC</s4><s5>63</s5></fC03><fN21><s1>198</s1></fN21></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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