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    초록·키워드

    The structural and magnetic properties of Pt/Fe and Pt/Co multilayers were investigated. X-ray diffraction results have shown that as-deposited Pt/Fe and Pt/Co multilayers consist of f.c.c. Pt (a = 3.91 Å), b.c.c. Fe (a = 2.91 Å), and h.c.p. Co (a = 2.46 Å, c = 4.10 Å) phases. Intermixing at the interface during deposition also created disordered Fe-Pt and Co-Pt phases. The grain sizes of these polycrystalline Pt/Fe and Pt/Co multilayers ranged from 5 nm to 15 nm, as revealed by transmission electron microscopy. The coercivity of the as-deposited multilayers is small (Hc < 100 Oe), which we believe is mainly from the soft Fe or Co phase. For Pt/Fe multilayers, annealing the films (400°C for 6 min) did not alter the structure. However, the grain sizes of an anneale ... 전체 초록 보기

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      UCI(KEPA) : I410-ECN-0101-2009-428-015847406