Ab initio study of the origin of the dead magnetic Ni layers at the Ni/Pt(111) interface
Identifieur interne : 000A31 ( Main/Exploration ); précédent : 000A30; suivant : 000A32Ab initio study of the origin of the dead magnetic Ni layers at the Ni/Pt(111) interface
Auteurs : S. Lounis [Algérie] ; M. Benakki [Algérie] ; S. Bouarab [Algérie] ; C. Demangeat [France]Source :
- Surface science [ 0039-6028 ] ; 2002.
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- Pascal (Inist)
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Abstract
Two recent experimental works based on X-ray magnetic circular dichroism and superconducting quantum interference on Ni/Pt(111) superlattices have displayed very different magnetic behavior. One reports evidence of magnetically "dead" layers whereas in further work, no magnetically dead Ni layers were found. These magnetically different behavior can be explained by density functional calculations on various structural configurations at the interface. One Ni buried layer at the interface gives a good description of the magnetic profile reported experimentally on one hand, whereas two or three NiPt alloyed layers at the interface confirm the magnetic dead Ni atoms measured on the other hand.
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Bouarab</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1><sub>L</sub>aboratoire de Physique et Chimie Quantique, Faculté des sciences, Université Mouloud Mammeri</s1><s2>15000 Tizi-ouzou</s2><s3>DZA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>15000 Tizi-ouzou</wicri:noRegion></affiliation></author><author><name sortKey="Demangeat, C" sort="Demangeat, C" uniqKey="Demangeat C" first="C." last="Demangeat">C. Demangeat</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>IPCMS-GEMM 23, Rue du Loess</s1><s2>67037 Strasbourg</s2><s3>FRA</s3><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region><settlement type="city">Strasbourg</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">Surface science</title><title level="j" type="abbreviated">Surf. sci.</title><idno type="ISSN">0039-6028</idno><imprint><date when="2002">2002</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Surface science</title><title level="j" type="abbreviated">Surf. sci.</title><idno type="ISSN">0039-6028</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ab initio calculations</term><term>Crystal faces</term><term>Density functional method</term><term>Electronic density of states</term><term>Interdiffusion</term><term>Magnetic moments</term><term>Magnetic thin films</term><term>Metallic superlattices</term><term>Nickel</term><term>Platinum</term><term>Solid-solid interfaces</term><term>Theoretical study</term><term>Tight-binding calculations</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Etude théorique</term><term>Calcul ab initio</term><term>Calcul liaison forte</term><term>Méthode fonctionnelle densité</term><term>Interface solide solide</term><term>Couche mince magnétique</term><term>Superréseau métallique</term><term>Nickel</term><term>Face cristalline</term><term>Platine</term><term>Moment magnétique</term><term>Diffusion mutuelle</term><term>Densité état électron</term><term>7570C</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Nickel</term><term>Platine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Two recent experimental works based on X-ray magnetic circular dichroism and superconducting quantum interference on Ni/Pt(111) superlattices have displayed very different magnetic behavior. One reports evidence of magnetically "dead" layers whereas in further work, no magnetically dead Ni layers were found. These magnetically different behavior can be explained by density functional calculations on various structural configurations at the interface. One Ni buried layer at the interface gives a good description of the magnetic profile reported experimentally on one hand, whereas two or three NiPt alloyed layers at the interface confirm the magnetic dead Ni atoms measured on the other hand.</div></front></TEI><affiliations><list><country><li>Algérie</li><li>France</li></country><region><li>Alsace (région administrative)</li><li>Grand Est</li></region><settlement><li>Strasbourg</li></settlement></list><tree><country name="Algérie"><noRegion><name sortKey="Lounis, S" sort="Lounis, S" uniqKey="Lounis S" first="S." last="Lounis">S. Lounis</name></noRegion><name sortKey="Benakki, M" sort="Benakki, M" uniqKey="Benakki M" first="M." last="Benakki">M. Benakki</name><name sortKey="Bouarab, S" sort="Bouarab, S" uniqKey="Bouarab S" first="S." last="Bouarab">S. Bouarab</name></country><country name="France"><region name="Grand Est"><name sortKey="Demangeat, C" sort="Demangeat, C" uniqKey="Demangeat C" first="C." last="Demangeat">C. Demangeat</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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