期刊
APPLIED PHYSICS EXPRESS
卷 8, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.7567/APEX.8.063008
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资金
- Foundation for Promotion of Material Science and Technology of Japan
- Hattori Hokokai Foundation
- ImPACT program of the Council for Science, Technology and Innovation (Cabinet Office, Government of Japan)
- Japan Society for the Promotion of Science (JSPS) [25220910]
- Cooperative Research and Development Center for Advanced Materials, Institute for Materials Research, Tohoku University [14G0412]
The current perpendicular to film plane type giant magnetoresistance (CPP-GMR) effect in Co2Fe0.4Mn0.6Si/Ag83Mg17/Co2Fe0.4Mn0.6Si junctions was investigated. An epitaxially grown 5-nm-thick Ag83Mg17 film having partially ordered L1(2) structure was fabricated on the Co2Fe0.4Mn0.6Si layer by magnetron sputtering. CPP-GMR effects were observed in the submicrometer-sized junctions, and the maximum value of the observed (intrinsic) MR ratio was 40% (48%) at room temperature. The average change in the resistance-area product was 23 m Omega.mu m(2) for the Ag-Mg junctions, which was higher than those of conventional CPP-GMR junctions using a Ag spacer layer. (C) 2015 The Japan Society of Applied Physics
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