Magnetoresistivity of hydrogen-doped Zr2(3d) metallic glasses
Identifieur interne : 000925 ( Main/Repository ); précédent : 000924; suivant : 000926Magnetoresistivity of hydrogen-doped Zr2(3d) metallic glasses
Auteurs : RBID : Pascal:13-0304828Descripteurs français
- Pascal (Inist)
- Magnétorésistance, Dopage, Addition indium, Dépendance température, Interaction forte, Interaction spin orbite, Décomposition niveau énergie, Interaction échange, Echange spin, Localisation faible, Diffusion inélastique, Modèle Stoner, Hybridation, Fluctuation spin, Verre métallique, 7547, 8105K, 7170E, 7530E.
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Abstract
Magnetoresistivity of (Zr2(3d))1 - xHx metallic glasses (where 3d stands for Fe and Co atoms) was investigated as a function of hydrogen doping (x) in the temperature range from 100 K down to 5 K. Obtained magnetoresistivity is always positive due to the strong spin-orbit interaction and well described in the terms of exchange-enhanced spin-splitting contributions to the usual weak-localization term. (Zr2Fe)1 - xHx exhibits a significantly stronger magnetoresistivity than (Zr2Co)1 - xHx for all measured temperatures and doping levels, which is attributed to the increase in the inelastic spin-scattering rate (τ-1in) and the Stoner factor (1 - I)-1. The magnetoresistivity of (Zr2(3d))1 - xHx exhibits a simple B2 behavior at higher temperatures, providing the information on τ-1in, and a more complex behavior at low temperatures, which gives the information on the spin-orbit scattering rate (τ-1so). It was found that the increase in the doping level reduces τ-1so, indicating hybridization of hydrogen s-electrons with Zr d-electrons and thus reducing the spin-orbit interaction.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Magnetoresistivity of hydrogen-doped Zr<sub>2</sub>(3d) metallic glasses</title><author><name sortKey="Novak, M" uniqKey="Novak M">M. Novak</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Physics, Faculty of Science, University of Zagreb, Bijeniˇcka cesta 32</s1><s2>10002 Zagreb</s2><s3>HRV</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Croatie</country><wicri:noRegion>10002 Zagreb</wicri:noRegion></affiliation></author><author><name sortKey="Kokanovic, I" uniqKey="Kokanovic I">I. Kokanovic</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Physics, Faculty of Science, University of Zagreb, Bijeniˇcka cesta 32</s1><s2>10002 Zagreb</s2><s3>HRV</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Croatie</country><wicri:noRegion>10002 Zagreb</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">13-0304828</idno><date when="2013">2013</date><idno type="stanalyst">PASCAL 13-0304828 INIST</idno><idno type="RBID">Pascal:13-0304828</idno><idno type="wicri:Area/Main/Corpus">000728</idno><idno type="wicri:Area/Main/Repository">000925</idno></publicationStmt><seriesStmt><idno type="ISSN">0022-3093</idno><title level="j" type="abbreviated">J. non-cryst. solids</title><title level="j" type="main">Journal of non-crystalline solids</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Doping</term><term>Energy-level splitting</term><term>Exchange interactions</term><term>Hybridization</term><term>Indium additions</term><term>Inelastic scattering</term><term>Magnetoresistance</term><term>Metallic glasses</term><term>Spin exchange</term><term>Spin fluctuations</term><term>Spin-orbit interactions</term><term>Stoner model</term><term>Strong interactions</term><term>Temperature dependence</term><term>Weak localisation</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Magnétorésistance</term><term>Dopage</term><term>Addition indium</term><term>Dépendance température</term><term>Interaction forte</term><term>Interaction spin orbite</term><term>Décomposition niveau énergie</term><term>Interaction échange</term><term>Echange spin</term><term>Localisation faible</term><term>Diffusion inélastique</term><term>Modèle Stoner</term><term>Hybridation</term><term>Fluctuation spin</term><term>Verre métallique</term><term>7547</term><term>8105K</term><term>7170E</term><term>7530E</term></keywords><keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Dopage</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Magnetoresistivity of (Zr<sub>2</sub>(3d))<sub>1</sub> <sub>-</sub> <sub>x</sub>H<sub>x</sub> metallic glasses (where 3d stands for Fe and Co atoms) was investigated as a function of hydrogen doping (x) in the temperature range from 100 K down to 5 K. Obtained magnetoresistivity is always positive due to the strong spin-orbit interaction and well described in the terms of exchange-enhanced spin-splitting contributions to the usual weak-localization term. (Zr<sub>2</sub>Fe)<sub>1</sub> <sub>-</sub> <sub>x</sub>H<sub>x</sub> exhibits a significantly stronger magnetoresistivity than (Zr<sub>2</sub>Co)<sub>1</sub> <sub>-</sub> <sub>x</sub>H<sub>x</sub> for all measured temperatures and doping levels, which is attributed to the increase in the inelastic spin-scattering rate (τ<sup>-1</sup><sub>in</sub>) and the Stoner factor (1 - I)<sup>-1</sup>. The magnetoresistivity of (Zr<sub>2</sub>(3d))<sub>1</sub> <sub>-</sub> <sub>x</sub>H<sub>x</sub> exhibits a simple B<sup>2</sup> behavior at higher temperatures, providing the information on τ<sup>-1</sup><sub>in</sub>, and a more complex behavior at low temperatures, which gives the information on the spin-orbit scattering rate (τ<sup>-1</sup><sub>so</sub>). It was found that the increase in the doping level reduces τ<sup>-1</sup><sub>so</sub>, indicating hybridization of hydrogen s-electrons with Zr d-electrons and thus reducing the spin-orbit interaction.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0022-3093</s0></fA01><fA02 i1="01"><s0>JNCSBJ</s0></fA02><fA03 i2="1"><s0>J. non-cryst. solids</s0></fA03><fA05><s2>376</s2></fA05><fA08 i1="01" i2="1" l="ENG"><s1>Magnetoresistivity of hydrogen-doped Zr<sub>2</sub>(3d) metallic glasses</s1></fA08><fA11 i1="01" i2="1"><s1>NOVAK (M.)</s1></fA11><fA11 i1="02" i2="1"><s1>KOKANOVIC (I.)</s1></fA11><fA14 i1="01"><s1>Department of Physics, Faculty of Science, University of Zagreb, Bijeniˇcka cesta 32</s1><s2>10002 Zagreb</s2><s3>HRV</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></fA14><fA20><s1>86-89</s1></fA20><fA21><s1>2013</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>14572</s2><s5>354000501939870140</s5></fA43><fA44><s0>0000</s0><s1>© 2013 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>21 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>13-0304828</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of non-crystalline solids</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>Magnetoresistivity of (Zr<sub>2</sub>(3d))<sub>1</sub> <sub>-</sub> <sub>x</sub>H<sub>x</sub> metallic glasses (where 3d stands for Fe and Co atoms) was investigated as a function of hydrogen doping (x) in the temperature range from 100 K down to 5 K. Obtained magnetoresistivity is always positive due to the strong spin-orbit interaction and well described in the terms of exchange-enhanced spin-splitting contributions to the usual weak-localization term. (Zr<sub>2</sub>Fe)<sub>1</sub> <sub>-</sub> <sub>x</sub>H<sub>x</sub> exhibits a significantly stronger magnetoresistivity than (Zr<sub>2</sub>Co)<sub>1</sub> <sub>-</sub> <sub>x</sub>H<sub>x</sub> for all measured temperatures and doping levels, which is attributed to the increase in the inelastic spin-scattering rate (τ<sup>-1</sup><sub>in</sub>) and the Stoner factor (1 - I)<sup>-1</sup>. The magnetoresistivity of (Zr<sub>2</sub>(3d))<sub>1</sub> <sub>-</sub> <sub>x</sub>H<sub>x</sub> exhibits a simple B<sup>2</sup> behavior at higher temperatures, providing the information on τ<sup>-1</sup><sub>in</sub>, and a more complex behavior at low temperatures, which gives the information on the spin-orbit scattering rate (τ<sup>-1</sup><sub>so</sub>). It was found that the increase in the doping level reduces τ<sup>-1</sup><sub>so</sub>, indicating hybridization of hydrogen s-electrons with Zr d-electrons and thus reducing the spin-orbit interaction.</s0></fC01><fC02 i1="01" i2="3"><s0>001B70E30E</s0></fC02><fC02 i1="02" i2="3"><s0>001B70C20F</s0></fC02><fC02 i1="03" i2="3"><s0>001B70E47</s0></fC02><fC02 i1="04" i2="3"><s0>001B80A05K</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>Magnétorésistance</s0><s5>01</s5></fC03><fC03 i1="01" i2="3" l="ENG"><s0>Magnetoresistance</s0><s5>01</s5></fC03><fC03 i1="02" i2="X" l="FRE"><s0>Dopage</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="ENG"><s0>Doping</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="SPA"><s0>Doping</s0><s5>02</s5></fC03><fC03 i1="03" i2="3" l="FRE"><s0>Addition indium</s0><s5>03</s5></fC03><fC03 i1="03" i2="3" l="ENG"><s0>Indium additions</s0><s5>03</s5></fC03><fC03 i1="04" i2="3" l="FRE"><s0>Dépendance température</s0><s5>04</s5></fC03><fC03 i1="04" i2="3" l="ENG"><s0>Temperature dependence</s0><s5>04</s5></fC03><fC03 i1="05" i2="3" l="FRE"><s0>Interaction forte</s0><s5>05</s5></fC03><fC03 i1="05" i2="3" l="ENG"><s0>Strong interactions</s0><s5>05</s5></fC03><fC03 i1="06" i2="3" l="FRE"><s0>Interaction spin orbite</s0><s5>06</s5></fC03><fC03 i1="06" i2="3" l="ENG"><s0>Spin-orbit interactions</s0><s5>06</s5></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Décomposition niveau énergie</s0><s5>07</s5></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Energy-level splitting</s0><s5>07</s5></fC03><fC03 i1="08" i2="3" l="FRE"><s0>Interaction échange</s0><s5>08</s5></fC03><fC03 i1="08" i2="3" l="ENG"><s0>Exchange interactions</s0><s5>08</s5></fC03><fC03 i1="09" i2="3" l="FRE"><s0>Echange spin</s0><s5>09</s5></fC03><fC03 i1="09" i2="3" l="ENG"><s0>Spin exchange</s0><s5>09</s5></fC03><fC03 i1="10" i2="3" l="FRE"><s0>Localisation faible</s0><s5>10</s5></fC03><fC03 i1="10" i2="3" l="ENG"><s0>Weak localisation</s0><s5>10</s5></fC03><fC03 i1="11" i2="3" l="FRE"><s0>Diffusion inélastique</s0><s5>11</s5></fC03><fC03 i1="11" i2="3" l="ENG"><s0>Inelastic scattering</s0><s5>11</s5></fC03><fC03 i1="12" i2="X" l="FRE"><s0>Modèle Stoner</s0><s5>12</s5></fC03><fC03 i1="12" i2="X" l="ENG"><s0>Stoner model</s0><s5>12</s5></fC03><fC03 i1="12" i2="X" l="SPA"><s0>Modelo Stoner</s0><s5>12</s5></fC03><fC03 i1="13" i2="3" l="FRE"><s0>Hybridation</s0><s5>13</s5></fC03><fC03 i1="13" i2="3" l="ENG"><s0>Hybridization</s0><s5>13</s5></fC03><fC03 i1="14" i2="3" l="FRE"><s0>Fluctuation spin</s0><s5>14</s5></fC03><fC03 i1="14" i2="3" l="ENG"><s0>Spin fluctuations</s0><s5>14</s5></fC03><fC03 i1="15" i2="3" l="FRE"><s0>Verre métallique</s0><s5>15</s5></fC03><fC03 i1="15" i2="3" l="ENG"><s0>Metallic glasses</s0><s5>15</s5></fC03><fC03 i1="16" i2="3" l="FRE"><s0>7547</s0><s4>INC</s4><s5>71</s5></fC03><fC03 i1="17" i2="3" l="FRE"><s0>8105K</s0><s4>INC</s4><s5>72</s5></fC03><fC03 i1="18" i2="3" l="FRE"><s0>7170E</s0><s4>INC</s4><s5>73</s5></fC03><fC03 i1="19" i2="3" l="FRE"><s0>7530E</s0><s4>INC</s4><s5>74</s5></fC03><fN21><s1>287</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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