關鍵字查詢 | 類別:期刊論文 | | 關鍵字:Hydrogenation Induced Reversible Modulation of Perpendicular Magnetic Coercivity in Pd/Co/Pd films

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1 101/2 物理系 彭維鋒 教授 期刊論文 發佈 Hydrogenation Induced Reversible Modulation of Perpendicular Magnetic Coercivity in Pd/Co/Pd films , [101-2] :Hydrogenation Induced Reversible Modulation of Perpendicular Magnetic Coercivity in Pd/Co/Pd films期刊論文Hydrogenation Induced Reversible Modulation of Perpendicular Magnetic Coercivity in Pd/Co/Pd filmsLin, Wen-Chin; Tsai, Cheng-Jui; Wang, Bo-Yao; Kao, Chao-Hung; Pong, Way-Faung淡江大學物理學系College Park: American Institute of PhysicsApplied Physics Letters 102(25), 252404(5pages)In perpendicularly magnetized Pd/Co/Pd trilayers, the hydrogenation not only increased Kerr signal but also significantly enhanced the magnetic coercivity (H C ) by 17%. The reversibility was demonstrated by cyclic H2 exposure. The time constants of hydrogen absorption and desorption effect on H C range from tens to hundreds seconds, depending on the H2 gas pressure. The magneto-optical Kerr signal and magnetic coercivity was simultaneously recorded during H2 absorption and desorption. These multifarious signals respond differently and provide a detailed understanding of hydrogenation effect on the functional Pd/Co/Pd
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