Compressed exponential form for disordered domain wall motion in ultra-thin Au/Co/Au ferromagnetic films
Identifieur interne : 000073 ( PascalFrancis/Checkpoint ); précédent : 000072; suivant : 000074Compressed exponential form for disordered domain wall motion in ultra-thin Au/Co/Au ferromagnetic films
Auteurs : A. Adanlete Adjanoh [Tunisie] ; R. Belhi [Tunisie] ; J. Vogel [France] ; M. Ayadi [Tunisie] ; K. Abdelmoula [Tunisie]Source :
- Journal of magnetism and magnetic materials [ 0304-8853 ] ; 2011.
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Abstract
Magnetization reversal in ultra-thin Au/Co/Au films deposited on single crystal silicon (1 00) was investigated using Kerr microscopy. In the considered ultra-thin Co films, with a thickness between 0.7 and 1 nm, the coercivity and magnetic anisotropy decrease with decrease in cobalt layer thickness and the magnetization reversal dynamics is dominated by disordered domain wall motion. An analysis of the observed magnetization reversal dynamics is proposed, starting from the Fatuzzo-Labrune model. We show that the relaxation curves of these samples are well described by a function obtained by a technical transformation of Fatuzzo-Labrune model in the regime dominated by domain wall motion.
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Belhi</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Département de Physique, Faculté des Sciences de Tunis, Campus Universitaire le Belvédère</s1><s2>Tunis 1060</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Tunisie</country><placeName><settlement type="city">Tunis</settlement><region nuts="2">Gouvernorat de Tunis</region></placeName></affiliation></author><author><name sortKey="Vogel, J" sort="Vogel, J" uniqKey="Vogel J" first="J." last="Vogel">J. Vogel</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Institut Neel (CNRS and UJF), 25 rue des Martyrs, B.P. 166</s1><s2>38042 Grenoble</s2><s3>FRA</s3><sZ>3 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old region" nuts="2">Rhône-Alpes</region><settlement type="city">Grenoble</settlement></placeName></affiliation></author><author><name sortKey="Ayadi, M" sort="Ayadi, M" uniqKey="Ayadi M" first="M." last="Ayadi">M. Ayadi</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Département de Physique, Faculté des Sciences de Tunis, Campus Universitaire le Belvédère</s1><s2>Tunis 1060</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Tunisie</country><placeName><settlement type="city">Tunis</settlement><region nuts="2">Gouvernorat de Tunis</region></placeName></affiliation></author><author><name sortKey="Abdelmoula, K" sort="Abdelmoula, K" uniqKey="Abdelmoula K" first="K." last="Abdelmoula">K. Abdelmoula</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Département de Physique, Faculté des Sciences de Tunis, Campus Universitaire le Belvédère</s1><s2>Tunis 1060</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Tunisie</country><placeName><settlement type="city">Tunis</settlement><region nuts="2">Gouvernorat de Tunis</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Journal of magnetism and magnetic materials</title><title level="j" type="abbreviated">J. magn. magn. mater.</title><idno type="ISSN">0304-8853</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of magnetism and magnetic materials</title><title level="j" type="abbreviated">J. magn. magn. mater.</title><idno type="ISSN">0304-8853</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cobalt</term><term>Codeposition</term><term>Coercive force</term><term>Domain wall motion</term><term>Ferromagnetic materials</term><term>Gold</term><term>Magnetization reversal</term><term>Monocrystals</term><term>Multilayers</term><term>Perpendicular magnetic anisotropy</term><term>Thickness</term><term>Ultrathin films</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Mouvement paroi domaine</term><term>Inversion aimantation</term><term>Codépôt</term><term>Epaisseur</term><term>Force coercitive</term><term>Anisotropie magnétique perpendiculaire</term><term>Or</term><term>Matériau ferromagnétique</term><term>Monocristal</term><term>Couche ultramince</term><term>Cobalt</term><term>Multicouche</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Or</term><term>Cobalt</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Magnetization reversal in ultra-thin Au/Co/Au films deposited on single crystal silicon (1 00) was investigated using Kerr microscopy. In the considered ultra-thin Co films, with a thickness between 0.7 and 1 nm, the coercivity and magnetic anisotropy decrease with decrease in cobalt layer thickness and the magnetization reversal dynamics is dominated by disordered domain wall motion. An analysis of the observed magnetization reversal dynamics is proposed, starting from the Fatuzzo-Labrune model. We show that the relaxation curves of these samples are well described by a function obtained by a technical transformation of Fatuzzo-Labrune model in the regime dominated by domain wall motion.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0304-8853</s0></fA01><fA02 i1="01"><s0>JMMMDC</s0></fA02><fA03 i2="1"><s0>J. magn. magn. mater.</s0></fA03><fA05><s2>323</s2></fA05><fA06><s2>5</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Compressed exponential form for disordered domain wall motion in ultra-thin Au/Co/Au ferromagnetic films</s1></fA08><fA11 i1="01" i2="1"><s1>ADANLETE ADJANOH (A.)</s1></fA11><fA11 i1="02" i2="1"><s1>BELHI (R.)</s1></fA11><fA11 i1="03" i2="1"><s1>VOGEL (J.)</s1></fA11><fA11 i1="04" i2="1"><s1>AYADI (M.)</s1></fA11><fA11 i1="05" i2="1"><s1>ABDELMOULA (K.)</s1></fA11><fA14 i1="01"><s1>Département de Physique, Faculté des Sciences de Tunis, Campus Universitaire le Belvédère</s1><s2>Tunis 1060</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></fA14><fA14 i1="02"><s1>Institut Neel (CNRS and UJF), 25 rue des Martyrs, B.P. 166</s1><s2>38042 Grenoble</s2><s3>FRA</s3><sZ>3 aut.</sZ></fA14><fA20><s1>504-508</s1></fA20><fA21><s1>2011</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>17230</s2><s5>354000194600890240</s5></fA43><fA44><s0>0000</s0><s1>© 2011 INIST-CNRS. 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Adanlete Adjanoh</name></region><name sortKey="Abdelmoula, K" sort="Abdelmoula, K" uniqKey="Abdelmoula K" first="K." last="Abdelmoula">K. Abdelmoula</name><name sortKey="Ayadi, M" sort="Ayadi, M" uniqKey="Ayadi M" first="M." last="Ayadi">M. Ayadi</name><name sortKey="Belhi, R" sort="Belhi, R" uniqKey="Belhi R" first="R." last="Belhi">R. Belhi</name></country><country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Vogel, J" sort="Vogel, J" uniqKey="Vogel J" first="J." last="Vogel">J. Vogel</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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