Hydrogenation Effect on Interlayer Coupling and Magneto-Transport Properties of Pd/Co/Mg/Fe Multilayers

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Title:	Hydrogenation Effect on Interlayer Coupling and Magneto-Transport Properties of Pd/Co/Mg/Fe Multilayers
Authors:	Li-Jie Liaw, Zi-Qi Liu, Po-Wei Chen, Shi-Yu Liu, Alltrin Dhanarajagopal, Fang-Yuh Lo, Jhen-Yong Hong, Wen-Chin Lin
Date:	2023-07-17
Issue Date:	2024-07-30 12:06:43 (UTC+8)
Publisher:	American Chemical Society
Abstract:	Hydrogenation-induced modification of magnetic properties has been widely studied. A Mg spacer layer with high hydrogen storage stability was clamped in a Pd/Co/Mg/Fe multilayer structure to enhance its hydrogen storage stability and explore the structure’s magneto-transport properties. After 1 bar hydrogen exposure, the formation of a stable MgH2 phase was demonstrated in an ambient environment at room temperature through X-ray diffraction. Lower magnetic coupling and enhanced magnetoresistance, compared to those of the as-grown sample, were observed using the longitudinal magneto-optical Kerr effect and a four-probe measurement. In this study, the hydrogenation stability of ferromagnetic multilayers was improved, and the concept of a hydrogenation-based spintronic device was developed.
Relation:	ACS Omega 8(30), 26948-26954
DOI:	10.1021/acsomega.3c01778
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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