Surface-termination-dependent magnetism and strong perpendicular magnetocrystalline anisotropy of an FeRh(001) thin film
The magnetism of FeRh (001) films strongly depends on film thickness and surface terminations. While the magnetic ground state of bulk FeRh is G-type antiferromagnetism, the Rh-terminated films exhibit ferromagnetism with strong perpendicular magnetocrystalline anisotropy whose energy +2.1 meV/[whit...
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| Veröffentlicht in: | Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2015-08, Vol.92 (6), Article 064410 |
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| container_title | Physical review. B, Condensed matter and materials physics |
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| creator | Jekal, Soyoung Rhim, S. H. Hong, S. C. Son, Won-joon Shick, A. B. |
| description | The magnetism of FeRh (001) films strongly depends on film thickness and surface terminations. While the magnetic ground state of bulk FeRh is G-type antiferromagnetism, the Rh-terminated films exhibit ferromagnetism with strong perpendicular magnetocrystalline anisotropy whose energy +2.1 meV/[whitesquare] is two orders of magnitude greater than bulk 3d conventional magnetic metals ([whitesquare] is the area of a two-dimensional unit cell). While the Goodenough-Kanamori-Anderson rule on the superexchange interaction is crucial in determining the magnetic ground phases of FeRh bulk and thin films, the magnetic phases are the results of interplay and competition between three mechanisms-the superexchange interaction, the Zener-type direct interaction, and energy gain by Rh magnetization. |
| doi_str_mv | 10.1103/PhysRevB.92.064410 |
| format | Article |
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H. ; Hong, S. C. ; Son, Won-joon ; Shick, A. B.</creator><creatorcontrib>Jekal, Soyoung ; Rhim, S. H. ; Hong, S. C. ; Son, Won-joon ; Shick, A. B.</creatorcontrib><description>The magnetism of FeRh (001) films strongly depends on film thickness and surface terminations. While the magnetic ground state of bulk FeRh is G-type antiferromagnetism, the Rh-terminated films exhibit ferromagnetism with strong perpendicular magnetocrystalline anisotropy whose energy +2.1 meV/[whitesquare] is two orders of magnitude greater than bulk 3d conventional magnetic metals ([whitesquare] is the area of a two-dimensional unit cell). While the Goodenough-Kanamori-Anderson rule on the superexchange interaction is crucial in determining the magnetic ground phases of FeRh bulk and thin films, the magnetic phases are the results of interplay and competition between three mechanisms-the superexchange interaction, the Zener-type direct interaction, and energy gain by Rh magnetization.</description><identifier>ISSN: 1098-0121</identifier><identifier>EISSN: 1550-235X</identifier><identifier>DOI: 10.1103/PhysRevB.92.064410</identifier><language>eng</language><subject>Anisotropy ; Condensed matter ; Film thickness ; Magnetism ; Magnetization ; Phases ; Thin films ; Three dimensional</subject><ispartof>Physical review. 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While the Goodenough-Kanamori-Anderson rule on the superexchange interaction is crucial in determining the magnetic ground phases of FeRh bulk and thin films, the magnetic phases are the results of interplay and competition between three mechanisms-the superexchange interaction, the Zener-type direct interaction, and energy gain by Rh magnetization.</description><subject>Anisotropy</subject><subject>Condensed matter</subject><subject>Film thickness</subject><subject>Magnetism</subject><subject>Magnetization</subject><subject>Phases</subject><subject>Thin films</subject><subject>Three dimensional</subject><issn>1098-0121</issn><issn>1550-235X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNo1kE1LAzEQhoMoWKt_wFOO9bA1yWa_jlqsCgWlKngLaTLbRnaTNcmK--_d0socZl7mYQYehK4pmVNK0tvX3RDW8HM_r9ic5JxTcoImNMtIwtLs83ScSVUmhDJ6ji5C-CKE8oqzCfp9630tFSQRfGusjMbZREMHVoONuJVbC9GEFkurcYje2S3uwO_3RvWN9EfEKT-EKJvGWBhZE9zIdgN29ZjwEta72fjzBsedsbg2TXuJzmrZBLg69in6WD68L56S1cvj8-JulShWkpioDUsZzXMpGZGa0qLiwNOxFNMkyyiUdcYo1EWp-abclFWRaU7yUhEJoFKdTtHscLfz7ruHEEVrgoKmkRZcHwQtCsIKXlVsRNkBVd6F4KEWnTet9IOgROw1i3_NomLioDn9A9yOdH4</recordid><startdate>20150806</startdate><enddate>20150806</enddate><creator>Jekal, Soyoung</creator><creator>Rhim, S. 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B, Condensed matter and materials physics</jtitle><date>2015-08-06</date><risdate>2015</risdate><volume>92</volume><issue>6</issue><artnum>064410</artnum><issn>1098-0121</issn><eissn>1550-235X</eissn><abstract>The magnetism of FeRh (001) films strongly depends on film thickness and surface terminations. While the magnetic ground state of bulk FeRh is G-type antiferromagnetism, the Rh-terminated films exhibit ferromagnetism with strong perpendicular magnetocrystalline anisotropy whose energy +2.1 meV/[whitesquare] is two orders of magnitude greater than bulk 3d conventional magnetic metals ([whitesquare] is the area of a two-dimensional unit cell). While the Goodenough-Kanamori-Anderson rule on the superexchange interaction is crucial in determining the magnetic ground phases of FeRh bulk and thin films, the magnetic phases are the results of interplay and competition between three mechanisms-the superexchange interaction, the Zener-type direct interaction, and energy gain by Rh magnetization.</abstract><doi>10.1103/PhysRevB.92.064410</doi></addata></record> |
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| source | American Physical Society Journals |
| subjects | Anisotropy Condensed matter Film thickness Magnetism Magnetization Phases Thin films Three dimensional |
| title | Surface-termination-dependent magnetism and strong perpendicular magnetocrystalline anisotropy of an FeRh(001) thin film |
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