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journal article·2017-08-01Open access

Electric field effect on magnetic anisotropy for Fe-Pt-Pd alloys

S. Kikushima, T. Seki, K. Uchida, E. Saitoh, K. Takanashi

AIP Advances· Volume 7· Issue 8
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Source abstract

Abstract

The electric field effect on magnetic anisotropy was investigated for the FePt1-xPdx alloy films with perpendicular magnetic anisotropy. The polar magneto-optical Kerr (p-MOKE) loops were measured under the electric field application in order to evaluate the electric field-induced perpendicular magnetic anisotropy change per area (Δεperpt). A clear change in the saturation field of p-MOKE loop was observed for FePt by varying the applied electric field (ΔE). In the case of FePt, Δεperpt divided by ΔE was evaluated to be -129 (fJ/Vm). We found that the magnitude of Δεperpt / ΔE was significantly reduced with increasing x.
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Research context

Metals & alloys

OpenAlex topics: Magnetic properties of thin films · Magnetic Properties and Applications · Magneto-Optical Properties and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute for Materials Research, Tohoku University 1 , Sendai 980-8577, Japan

Center for Spintronics Research Network, Tohoku University 2 , Sendai 980-8577, Japan

PRESTO, Japan Science and Technology Agency 3 , Saitama 322-0012, Japan

National Institute for Materials Science 4 , Tsukuba 305-0047, Japan

WPI-AIMR, Tohoku University 5 , Sendai 980-8577, Japan

Advanced Science Research Center, Japan Atomic Energy Agency 6 , Tokai 319-1195, Japan

Funding

Japan Science and Technology Agency | PRESTO · Japan Science and Technology Agency |ERATO · JSPS | Grant-in-aid for Innovative Area · JSPS | Grant-in-aid for Scientific Research

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