Thermally stable perpendicular magnetic anisotropy features of [Co/Pd]{sub m} multilayer matrix integrated with [CoO/Pd]{sub n} bottom layer
We evaluated the perpendicular magnetic anisotropy (PMA) features of a hybrid [CoO/Pd]{sub 2}/[Co/Pd]{sub 7} multilayer (ML) matrix under annealing in which the [CoO/Pd]{sub 2} bottom layer was inserted. Annealing allowed for the diffusion of oxygen atoms existing in the inserted [CoO/Pd]{sub 2} lay...
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| Veröffentlicht in: | Applied physics letters 2014-01, Vol.104 (2) |
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| container_title | Applied physics letters |
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| creator | Lee, JaBin An, GwangGuk Yang, SeungMo Hong, JinPyo Chung, WooSeong |
| description | We evaluated the perpendicular magnetic anisotropy (PMA) features of a hybrid [CoO/Pd]{sub 2}/[Co/Pd]{sub 7} multilayer (ML) matrix under annealing in which the [CoO/Pd]{sub 2} bottom layer was inserted. Annealing allowed for the diffusion of oxygen atoms existing in the inserted [CoO/Pd]{sub 2} layer, leading to an atomic structural reconfiguration event. The hybrid matrix was crucial to result in a higher effective anisotropy energy (3.40 Merg/cc) than an ordinary [Co/Pd]{sub 7} ML matrix (1.25 Merg/cc) under annealing at 450 °C. X-ray photoelectron spectroscopy confirmed the presence of Co-O bonding states and annealing dependent oxygen atom diffusion. The possible nature of the enhanced PMA features is discussed. |
| doi_str_mv | 10.1063/1.4861840 |
| format | Article |
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Annealing allowed for the diffusion of oxygen atoms existing in the inserted [CoO/Pd]{sub 2} layer, leading to an atomic structural reconfiguration event. The hybrid matrix was crucial to result in a higher effective anisotropy energy (3.40 Merg/cc) than an ordinary [Co/Pd]{sub 7} ML matrix (1.25 Merg/cc) under annealing at 450 °C. X-ray photoelectron spectroscopy confirmed the presence of Co-O bonding states and annealing dependent oxygen atom diffusion. The possible nature of the enhanced PMA features is discussed.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4861840</identifier><language>eng</language><publisher>United States</publisher><subject>ANISOTROPY ; ANNEALING ; BOUND STATE ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; COBALT OXIDES ; LAYERS ; OXYGEN ; PALLADIUM ; X-RAY PHOTOELECTRON SPECTROSCOPY</subject><ispartof>Applied physics letters, 2014-01, Vol.104 (2)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22275814$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Lee, JaBin</creatorcontrib><creatorcontrib>An, GwangGuk</creatorcontrib><creatorcontrib>Yang, SeungMo</creatorcontrib><creatorcontrib>Hong, JinPyo</creatorcontrib><creatorcontrib>Chung, WooSeong</creatorcontrib><title>Thermally stable perpendicular magnetic anisotropy features of [Co/Pd]{sub m} multilayer matrix integrated with [CoO/Pd]{sub n} bottom layer</title><title>Applied physics letters</title><description>We evaluated the perpendicular magnetic anisotropy (PMA) features of a hybrid [CoO/Pd]{sub 2}/[Co/Pd]{sub 7} multilayer (ML) matrix under annealing in which the [CoO/Pd]{sub 2} bottom layer was inserted. Annealing allowed for the diffusion of oxygen atoms existing in the inserted [CoO/Pd]{sub 2} layer, leading to an atomic structural reconfiguration event. The hybrid matrix was crucial to result in a higher effective anisotropy energy (3.40 Merg/cc) than an ordinary [Co/Pd]{sub 7} ML matrix (1.25 Merg/cc) under annealing at 450 °C. X-ray photoelectron spectroscopy confirmed the presence of Co-O bonding states and annealing dependent oxygen atom diffusion. The possible nature of the enhanced PMA features is discussed.</description><subject>ANISOTROPY</subject><subject>ANNEALING</subject><subject>BOUND STATE</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>COBALT OXIDES</subject><subject>LAYERS</subject><subject>OXYGEN</subject><subject>PALLADIUM</subject><subject>X-RAY PHOTOELECTRON SPECTROSCOPY</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNo9zE9LwzAcxvEgCs7pwXcQ8NwtadokO8rwHwzmYTeRkaS_bJG2Gc2vaJG9A1-0m4qnh-fw-RJyzdmEMymmfFJoyXXBTsiIM6Uywbk-JSPGmMjkrOTn5CKlt8MtcyFG5Gu1ha4xdT3QhMbWQHfQ7aCtgutr09HGbFrA4KhpQ4rYxd1APRjsO0g0evoyj9Pn6vUz9ZY2e9r0NYbaDHCU2IUPGlqETWcQKvoecHsEy3_R7qmNiLGhP-aSnHlTJ7j62zFZ3d-t5o_ZYvnwNL9dZJFzgZkTypXasQpmbFaBN0J6WeaqlKyw3lmdOy4El-CUFL4AWSjrvTYHZ5niYkxufrMxYVgnFxDc1sW2BYfrPD-ENC_ENyQ1ZyY</recordid><startdate>20140113</startdate><enddate>20140113</enddate><creator>Lee, JaBin</creator><creator>An, GwangGuk</creator><creator>Yang, SeungMo</creator><creator>Hong, JinPyo</creator><creator>Chung, WooSeong</creator><scope>OTOTI</scope></search><sort><creationdate>20140113</creationdate><title>Thermally stable perpendicular magnetic anisotropy features of [Co/Pd]{sub m} multilayer matrix integrated with [CoO/Pd]{sub n} bottom layer</title><author>Lee, JaBin ; An, GwangGuk ; Yang, SeungMo ; Hong, JinPyo ; Chung, WooSeong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-o113t-c37c58c0de909defa36f65275604bfcb82c13316ec763f4e647bff8ac37b0713</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>ANISOTROPY</topic><topic>ANNEALING</topic><topic>BOUND STATE</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>COBALT OXIDES</topic><topic>LAYERS</topic><topic>OXYGEN</topic><topic>PALLADIUM</topic><topic>X-RAY PHOTOELECTRON SPECTROSCOPY</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, JaBin</creatorcontrib><creatorcontrib>An, GwangGuk</creatorcontrib><creatorcontrib>Yang, SeungMo</creatorcontrib><creatorcontrib>Hong, JinPyo</creatorcontrib><creatorcontrib>Chung, WooSeong</creatorcontrib><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, JaBin</au><au>An, GwangGuk</au><au>Yang, SeungMo</au><au>Hong, JinPyo</au><au>Chung, WooSeong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermally stable perpendicular magnetic anisotropy features of [Co/Pd]{sub m} multilayer matrix integrated with [CoO/Pd]{sub n} bottom layer</atitle><jtitle>Applied physics letters</jtitle><date>2014-01-13</date><risdate>2014</risdate><volume>104</volume><issue>2</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>We evaluated the perpendicular magnetic anisotropy (PMA) features of a hybrid [CoO/Pd]{sub 2}/[Co/Pd]{sub 7} multilayer (ML) matrix under annealing in which the [CoO/Pd]{sub 2} bottom layer was inserted. Annealing allowed for the diffusion of oxygen atoms existing in the inserted [CoO/Pd]{sub 2} layer, leading to an atomic structural reconfiguration event. The hybrid matrix was crucial to result in a higher effective anisotropy energy (3.40 Merg/cc) than an ordinary [Co/Pd]{sub 7} ML matrix (1.25 Merg/cc) under annealing at 450 °C. X-ray photoelectron spectroscopy confirmed the presence of Co-O bonding states and annealing dependent oxygen atom diffusion. The possible nature of the enhanced PMA features is discussed.</abstract><cop>United States</cop><doi>10.1063/1.4861840</doi></addata></record> |
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| identifier | ISSN: 0003-6951 |
| ispartof | Applied physics letters, 2014-01, Vol.104 (2) |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | ANISOTROPY ANNEALING BOUND STATE CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COBALT OXIDES LAYERS OXYGEN PALLADIUM X-RAY PHOTOELECTRON SPECTROSCOPY |
| title | Thermally stable perpendicular magnetic anisotropy features of [Co/Pd]{sub m} multilayer matrix integrated with [CoO/Pd]{sub n} bottom layer |
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