Perpendicular magnetic recording thin film media using Co/Pd superlattice on ultrathin indium-tin-oxide seed layers
Identifieur interne : 012048 ( Main/Repository ); précédent : 012047; suivant : 012049Perpendicular magnetic recording thin film media using Co/Pd superlattice on ultrathin indium-tin-oxide seed layers
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Abstract
Co/Pd superlattices (13 bilayers) have been fabricated on ultrathin (2 nm) indium-tin-oxide (ITO) seed layers for use as perpendicular magnetic recording media. The ITO seed layers have significantly increased the coercivity from 1 to 5 kOe as well as the crystalline orientation texture. It was also found that excellent magnetic properties could be obtained by using Ar instead of Kr as sputtering gas. The sheared hysteresis loop and high squareness suggest weak intergranular coupling and adequate perpendicular magnetic anisotropy which make Co/Pd supelattice a promising candidate for ultrahigh recording densities with thermal stability. © 2000 American Institute of Physics.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Perpendicular magnetic recording thin film media using Co/Pd superlattice on ultrathin indium-tin-oxide seed layers</title><author><name sortKey="Peng, W" uniqKey="Peng W">W. Peng</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Center of Micromagnetics and Information Technology (MINT), University of Minnesota, Electrical and Computer Engineering, 4-174 EE/CSci Building, 200 Union Street SE, Minneapolis, Minnesota 55455</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country xml:lang="fr">États-Unis</country><placeName><region type="state">Minnesota</region></placeName><wicri:cityArea>Center of Micromagnetics and Information Technology (MINT), University of Minnesota, Electrical and Computer Engineering, 4-174 EE/CSci Building, 200 Union Street SE, Minneapolis</wicri:cityArea></affiliation></author><author><name sortKey="Victora, R H" uniqKey="Victora R">R. H. Victora</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Center of Micromagnetics and Information Technology (MINT), University of Minnesota, Electrical and Computer Engineering, 4-174 EE/CSci Building, 200 Union Street SE, Minneapolis, Minnesota 55455</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country xml:lang="fr">États-Unis</country><placeName><region type="state">Minnesota</region></placeName><wicri:cityArea>Center of Micromagnetics and Information Technology (MINT), University of Minnesota, Electrical and Computer Engineering, 4-174 EE/CSci Building, 200 Union Street SE, Minneapolis</wicri:cityArea></affiliation></author><author><name sortKey="Judy, J H" uniqKey="Judy J">J. H. Judy</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Center of Micromagnetics and Information Technology (MINT), University of Minnesota, Electrical and Computer Engineering, 4-174 EE/CSci Building, 200 Union Street SE, Minneapolis, Minnesota 55455</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country xml:lang="fr">États-Unis</country><placeName><region type="state">Minnesota</region></placeName><wicri:cityArea>Center of Micromagnetics and Information Technology (MINT), University of Minnesota, Electrical and Computer Engineering, 4-174 EE/CSci Building, 200 Union Street SE, Minneapolis</wicri:cityArea></affiliation></author><author><name sortKey="Gao, K" uniqKey="Gao K">K. Gao</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Center of Micromagnetics and Information Technology (MINT), University of Minnesota, Chemical Engineering and Materials Science, 151 Amundson Hall, 421 Washington Avenue SE, Minneapolis, Minnesota 55455</s1><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country xml:lang="fr">États-Unis</country><placeName><region type="state">Minnesota</region></placeName><wicri:cityArea>Center of Micromagnetics and Information Technology (MINT), University of Minnesota, Chemical Engineering and Materials Science, 151 Amundson Hall, 421 Washington Avenue SE, Minneapolis</wicri:cityArea></affiliation></author><author><name sortKey="Sivertsen, J M" uniqKey="Sivertsen J">J. M. Sivertsen</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Center of Micromagnetics and Information Technology (MINT), University of Minnesota, Chemical Engineering and Materials Science, 151 Amundson Hall, 421 Washington Avenue SE, Minneapolis, Minnesota 55455</s1><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country xml:lang="fr">États-Unis</country><placeName><region type="state">Minnesota</region></placeName><wicri:cityArea>Center of Micromagnetics and Information Technology (MINT), University of Minnesota, Chemical Engineering and Materials Science, 151 Amundson Hall, 421 Washington Avenue SE, Minneapolis</wicri:cityArea></affiliation></author></titleStmt><publicationStmt><idno type="inist">00-0181148</idno><date when="2000-05-01">2000-05-01</date><idno type="stanalyst">PASCAL 00-0181148 AIP</idno><idno type="RBID">Pascal:00-0181148</idno><idno type="wicri:Area/Main/Corpus">013608</idno><idno type="wicri:Area/Main/Repository">012048</idno></publicationStmt><seriesStmt><idno type="ISSN">0021-8979</idno><title level="j" type="abbreviated">J. appl. phys.</title><title level="j" type="main">Journal of applied physics</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cobalt</term><term>Coercive force</term><term>Experimental study</term><term>Magnetic hysteresis</term><term>Magnetic multilayers</term><term>Palladium</term><term>Perpendicular magnetic anisotropy</term><term>Perpendicular magnetic recording</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>7570C</term><term>7550S</term><term>8570K</term><term>7530G</term><term>7560E</term><term>Etude expérimentale</term><term>Cobalt</term><term>Enregistrement magnétique perpendiculaire</term><term>Multicouche magnétique</term><term>Anisotropie magnétique perpendiculaire</term><term>Force coercitive</term><term>Hystérésis magnétique</term><term>Palladium</term></keywords><keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Cobalt</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Co/Pd superlattices (13 bilayers) have been fabricated on ultrathin (2 nm) indium-tin-oxide (ITO) seed layers for use as perpendicular magnetic recording media. The ITO seed layers have significantly increased the coercivity from 1 to 5 kOe as well as the crystalline orientation texture. It was also found that excellent magnetic properties could be obtained by using Ar instead of Kr as sputtering gas. The sheared hysteresis loop and high squareness suggest weak intergranular coupling and adequate perpendicular magnetic anisotropy which make Co/Pd supelattice a promising candidate for ultrahigh recording densities with thermal stability. © 2000 American Institute of Physics.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0021-8979</s0></fA01><fA02 i1="01"><s0>JAPIAU</s0></fA02><fA03 i2="1"><s0>J. appl. phys.</s0></fA03><fA05><s2>87</s2></fA05><fA06><s2>9</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Perpendicular magnetic recording thin film media using Co/Pd superlattice on ultrathin indium-tin-oxide seed layers</s1></fA08><fA11 i1="01" i2="1"><s1>PENG (W.)</s1></fA11><fA11 i1="02" i2="1"><s1>VICTORA (R. 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