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Home > Issues > Volume 6 (2001) > No.2(pp.43-76)

Thickness-Driven Spin Reorientation Transition in Co/Pd(111) : In Situ SMOKE Three-Dimensional Vector Magnetometry

Journal of Magnetics, Volume 6, Number 2, 30 Jun 2001, Pages 53-56
Jeong-Won Lee(Department of Physics and Center for Department of Physics and Center for Nanospinics of Spintronic Materials, Korea Advanced Institute of Science and Technology), Sang-Koog Kim(Department of Physics and Center for Department of Physics and Center for Nanospinics of Spintronic Materials, Korea Advanced Institute of Science and Technology), Jonggeol Kim(Department of Physics and Center for Department of Physics and Center for Nanospinics of Spintronic Materials, Korea Advanced Institute of Science and Technology), Jong-Ryul Jeong(Department of Physics and Center for Department of Physics and Center for Nanospinics of Spintronic Materials, Korea Advanced Institute of Science and Technology), Jae-Seok Ahn(Department of Physics, University of Seoul), Sung-Chul Shin(Department of Physics and Center for Department of Physics and Center for Nanospinics of Spintronic Materials, Korea Advanced Institute of Science and Technology)
Abstract
We have developed a three-axis configurational in situ SMOKE apparatus by which three-dimensional vector magnetization reversal processes are studied for ultrathin Co films grown on a Pd (111) single crystal in the thickness range of spin reorientation transition. This study provides a better understanding of magnetization reversal motions with the knowledge of three components of the magnetization vector at the transition of an easy axis of magnetization from the film normal at 5 ML Co to in-plane at 6 ML Co (ML denotes monolayer). For a 5.25 ML Co, it was observed that a slightly canted magnetization vector from the film normal rotated in the film plane under an applied field direction parallel to the film normal.
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