Non-collinear exchange coupling in Fe/Mn/Fe(0 0 1): insight from scanning tunneling microscopy
The film growth and morphology of epitaxial Mn films grown on Fe(0 0 1) single-crystal whiskers measured with scanning tunneling microscopy (STM) provides insight into the mechanism of interlayer exchange coupling in Fe/Mn/Fe(0 0 1) trilayers. The proximity model of Slonczewski for exchange coupling...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2000-12, Vol.222 (1), p.13-27 |
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| container_title | Journal of magnetism and magnetic materials |
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| creator | Pierce, D.T Davies, A.D Stroscio, J.A Tulchinsky, D.A Unguris, J Celotta, R.J |
| description | The film growth and morphology of epitaxial Mn films grown on Fe(0
0
1) single-crystal whiskers measured with scanning tunneling microscopy (STM) provides insight into the mechanism of interlayer exchange coupling in Fe/Mn/Fe(0
0
1) trilayers. The proximity model of Slonczewski for exchange coupling through an antiferromagnet predicts that the coupling angle between the ferromagnetic layers will oscillate around a mean value of 90° with an amplitude that is very sensitive to the width of the thickness distribution of the spacer layer. We measure the thickness distribution with the STM and find that the coupling angle variation predicted by the proximity model is qualitatively consistent with the actual coupling angle variations in Fe/Mn/Fe(0
0
1) measured with scanning electron microscopy with polarization analysis (SEMPA). Going beyond the proximity model and allowing for a non-uniform magnetization of the thin Fe overlayer provides an improved explanation of the results. We contrast the behavior of Fe/Mn/Fe(0
0
1), where the proximity model appears applicable, to coupling through antiferro-magnetic Cr in Fe/Cr/Fe(0
0
1), where it is not, and discuss possible reasons for the difference. |
| doi_str_mv | 10.1016/S0304-8853(00)00551-5 |
| format | Article |
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0
1) single-crystal whiskers measured with scanning tunneling microscopy (STM) provides insight into the mechanism of interlayer exchange coupling in Fe/Mn/Fe(0
0
1) trilayers. The proximity model of Slonczewski for exchange coupling through an antiferromagnet predicts that the coupling angle between the ferromagnetic layers will oscillate around a mean value of 90° with an amplitude that is very sensitive to the width of the thickness distribution of the spacer layer. We measure the thickness distribution with the STM and find that the coupling angle variation predicted by the proximity model is qualitatively consistent with the actual coupling angle variations in Fe/Mn/Fe(0
0
1) measured with scanning electron microscopy with polarization analysis (SEMPA). Going beyond the proximity model and allowing for a non-uniform magnetization of the thin Fe overlayer provides an improved explanation of the results. We contrast the behavior of Fe/Mn/Fe(0
0
1), where the proximity model appears applicable, to coupling through antiferro-magnetic Cr in Fe/Cr/Fe(0
0
1), where it is not, and discuss possible reasons for the difference.</description><identifier>ISSN: 0304-8853</identifier><identifier>DOI: 10.1016/S0304-8853(00)00551-5</identifier><identifier>CODEN: JMMMDC</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Applied sciences ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Condensed matter: structure, mechanical and thermal properties ; Exact sciences and technology ; Exchange and superexchange interactions ; Exchange coupling ; Film growth ; Interfacial magnetic properties (multilayers, magnetic quantum wells, superlattices, magnetic heterostructures) ; Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties ; Magnetic multilayer ; Magnetic properties and materials ; Magnetic properties of surface, thin films and multilayers ; Magnetically ordered materials: other intrinsic properties ; Metals. Metallurgy ; Physics ; RHEED ; SEMPA ; STM ; Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) ; Whiskers</subject><ispartof>Journal of magnetism and magnetic materials, 2000-12, Vol.222 (1), p.13-27</ispartof><rights>2000 Elsevier Science B.V.</rights><rights>2001 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c366t-89643a1f7eed3c40bf0151a294fe3a4c8b733f166a9bb25ffca3631767181673</citedby><cites>FETCH-LOGICAL-c366t-89643a1f7eed3c40bf0151a294fe3a4c8b733f166a9bb25ffca3631767181673</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304885300005515$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=826121$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Pierce, D.T</creatorcontrib><creatorcontrib>Davies, A.D</creatorcontrib><creatorcontrib>Stroscio, J.A</creatorcontrib><creatorcontrib>Tulchinsky, D.A</creatorcontrib><creatorcontrib>Unguris, J</creatorcontrib><creatorcontrib>Celotta, R.J</creatorcontrib><title>Non-collinear exchange coupling in Fe/Mn/Fe(0 0 1): insight from scanning tunneling microscopy</title><title>Journal of magnetism and magnetic materials</title><description>The film growth and morphology of epitaxial Mn films grown on Fe(0
0
1) single-crystal whiskers measured with scanning tunneling microscopy (STM) provides insight into the mechanism of interlayer exchange coupling in Fe/Mn/Fe(0
0
1) trilayers. The proximity model of Slonczewski for exchange coupling through an antiferromagnet predicts that the coupling angle between the ferromagnetic layers will oscillate around a mean value of 90° with an amplitude that is very sensitive to the width of the thickness distribution of the spacer layer. We measure the thickness distribution with the STM and find that the coupling angle variation predicted by the proximity model is qualitatively consistent with the actual coupling angle variations in Fe/Mn/Fe(0
0
1) measured with scanning electron microscopy with polarization analysis (SEMPA). Going beyond the proximity model and allowing for a non-uniform magnetization of the thin Fe overlayer provides an improved explanation of the results. We contrast the behavior of Fe/Mn/Fe(0
0
1), where the proximity model appears applicable, to coupling through antiferro-magnetic Cr in Fe/Cr/Fe(0
0
1), where it is not, and discuss possible reasons for the difference.</description><subject>Applied sciences</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Exact sciences and technology</subject><subject>Exchange and superexchange interactions</subject><subject>Exchange coupling</subject><subject>Film growth</subject><subject>Interfacial magnetic properties (multilayers, magnetic quantum wells, superlattices, magnetic heterostructures)</subject><subject>Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties</subject><subject>Magnetic multilayer</subject><subject>Magnetic properties and materials</subject><subject>Magnetic properties of surface, thin films and multilayers</subject><subject>Magnetically ordered materials: other intrinsic properties</subject><subject>Metals. Metallurgy</subject><subject>Physics</subject><subject>RHEED</subject><subject>SEMPA</subject><subject>STM</subject><subject>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><subject>Whiskers</subject><issn>0304-8853</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqFkEFLAzEQhXNQsFZ_grAgSHtYO9nsZrdeRIpVoerBng1pOmkj22RNdsX-e3fb0qungcd7M_M-Qq4o3FKgfPQBDNK4KDI2ABgCZBmNsxPSO8pn5DyELwCgacF75PPN2Vi5sjQWpY_wV62lXWGkXFO12ioyNpri6NWOpjiACCI6vGu1YFbrOtLebaKgpLWds26sxV1mY5R3Qblqe0FOtSwDXh5mn8ynj_PJczx7f3qZPMxixTiv42LMUyapzhGXTKWw0EAzKpNxqpHJVBWLnDFNOZfjxSLJtFaScUZzntOC8pz1yc1-beXdd4OhFhsTFJaltOiaIJKcJ0nRRvok2xu7B4NHLSpvNtJvBQXRARQ7gKIjJQDEDqDI2tz14YBs-5baS6tMOIaLhNOEtq77vQvbqj8GvQjKoFW4NB5VLZbO_HPnD4xXhTw</recordid><startdate>20001201</startdate><enddate>20001201</enddate><creator>Pierce, D.T</creator><creator>Davies, A.D</creator><creator>Stroscio, J.A</creator><creator>Tulchinsky, D.A</creator><creator>Unguris, J</creator><creator>Celotta, R.J</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20001201</creationdate><title>Non-collinear exchange coupling in Fe/Mn/Fe(0 0 1): insight from scanning tunneling microscopy</title><author>Pierce, D.T ; Davies, A.D ; Stroscio, J.A ; Tulchinsky, D.A ; Unguris, J ; Celotta, R.J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c366t-89643a1f7eed3c40bf0151a294fe3a4c8b733f166a9bb25ffca3631767181673</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Applied sciences</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Exact sciences and technology</topic><topic>Exchange and superexchange interactions</topic><topic>Exchange coupling</topic><topic>Film growth</topic><topic>Interfacial magnetic properties (multilayers, magnetic quantum wells, superlattices, magnetic heterostructures)</topic><topic>Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties</topic><topic>Magnetic multilayer</topic><topic>Magnetic properties and materials</topic><topic>Magnetic properties of surface, thin films and multilayers</topic><topic>Magnetically ordered materials: other intrinsic properties</topic><topic>Metals. Metallurgy</topic><topic>Physics</topic><topic>RHEED</topic><topic>SEMPA</topic><topic>STM</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><topic>Whiskers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pierce, D.T</creatorcontrib><creatorcontrib>Davies, A.D</creatorcontrib><creatorcontrib>Stroscio, J.A</creatorcontrib><creatorcontrib>Tulchinsky, D.A</creatorcontrib><creatorcontrib>Unguris, J</creatorcontrib><creatorcontrib>Celotta, R.J</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of magnetism and magnetic materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pierce, D.T</au><au>Davies, A.D</au><au>Stroscio, J.A</au><au>Tulchinsky, D.A</au><au>Unguris, J</au><au>Celotta, R.J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Non-collinear exchange coupling in Fe/Mn/Fe(0 0 1): insight from scanning tunneling microscopy</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2000-12-01</date><risdate>2000</risdate><volume>222</volume><issue>1</issue><spage>13</spage><epage>27</epage><pages>13-27</pages><issn>0304-8853</issn><coden>JMMMDC</coden><abstract>The film growth and morphology of epitaxial Mn films grown on Fe(0
0
1) single-crystal whiskers measured with scanning tunneling microscopy (STM) provides insight into the mechanism of interlayer exchange coupling in Fe/Mn/Fe(0
0
1) trilayers. The proximity model of Slonczewski for exchange coupling through an antiferromagnet predicts that the coupling angle between the ferromagnetic layers will oscillate around a mean value of 90° with an amplitude that is very sensitive to the width of the thickness distribution of the spacer layer. We measure the thickness distribution with the STM and find that the coupling angle variation predicted by the proximity model is qualitatively consistent with the actual coupling angle variations in Fe/Mn/Fe(0
0
1) measured with scanning electron microscopy with polarization analysis (SEMPA). Going beyond the proximity model and allowing for a non-uniform magnetization of the thin Fe overlayer provides an improved explanation of the results. We contrast the behavior of Fe/Mn/Fe(0
0
1), where the proximity model appears applicable, to coupling through antiferro-magnetic Cr in Fe/Cr/Fe(0
0
1), where it is not, and discuss possible reasons for the difference.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/S0304-8853(00)00551-5</doi><tpages>15</tpages></addata></record> |
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| subjects | Applied sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Exchange and superexchange interactions Exchange coupling Film growth Interfacial magnetic properties (multilayers, magnetic quantum wells, superlattices, magnetic heterostructures) Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties Magnetic multilayer Magnetic properties and materials Magnetic properties of surface, thin films and multilayers Magnetically ordered materials: other intrinsic properties Metals. Metallurgy Physics RHEED SEMPA STM Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) Whiskers |
| title | Non-collinear exchange coupling in Fe/Mn/Fe(0 0 1): insight from scanning tunneling microscopy |
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