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Lee, Ki-Suk
Creative Lab. for Advanced Spin Systems (CLASS)
Research Interests
  • Magnetism, spintronics, spin dynamics, rare-earth free magnet

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In-Situ Magneto-Optical Kerr Effect Studies of Exchange-Bias Formations in Ferromagnetic/Antiferromagnetic Thin Film Systems

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dc.contributor.author Yu, Young-Sang ko
dc.contributor.author Lee, Ki-Suk ko
dc.contributor.author Jeon, Dong-Ju ko
dc.contributor.author Kim, Sang-Koog ko
dc.contributor.author Kim, Kwang Youn ko
dc.contributor.author Jang, Seong-Ho ko
dc.contributor.author Kim, Young-Woon ko
dc.contributor.author Lee, Jeong-Woon ko
dc.contributor.author Shin, Sung-Chul ko
dc.date.available 2014-10-29T00:20:58Z -
dc.date.created 2014-10-27 ko
dc.date.issued 2005-09 -
dc.identifier.citation ELECTRONIC MATERIALS LETTERS, v.1, no.1, pp.47 - 52 ko
dc.identifier.issn 1738-8090 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/7903 -
dc.description.abstract We report on experimental investigations of exchange-bias formations in different layered structures of Ta/NiFe/CoFe/Cu/CoFe/FeMn/Ta and Ta/NiFe/FeMn/Co by in-situ visible light magneto-optical Kerr effect. It is found that exchange bias (a kind of unidirectional anisotropy) can be controlled by aligning the magnetization orientations of ferromagnetic layers during cooling through the blocking temperatures, as well as by applying a suffcient magnetic field during the film growth. For the structure of a magnetic NiFe/FeMn/Co trilayer, oppositely oriented exchange bias of the two ferromagnetic NiFe and Co layers is found to be set with the single antiferromagnetic FeMn layer through the oppositely oriented remnant magnetizations of the two ferromagnetic layers while cooling. These results reveal that the exchange bias and its unidirectional orientation can be determined by interfacial uncompensated antiferromagnetic spins in contact with ferromagnets, which are locked in by the magnetization orientations of ferromagnets during the film growth or subsequent cooling. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher KOREAN INST METALS MATERIALS ko
dc.subject exchange bias ko
dc.subject unidirectional anistropy ko
dc.subject exchange bias formation ko
dc.title In-Situ Magneto-Optical Kerr Effect Studies of Exchange-Bias Formations in Ferromagnetic/Antiferromagnetic Thin Film Systems ko
dc.type ARTICLE ko
dc.identifier.wosid 000208604900008 ko
dc.type.rims ART ko
dc.description.wostc 3 *
dc.date.tcdate 2015-05-06 *
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