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首页> 外文期刊>Applied physics express >Magnetic Domain Structures Governed by Granular Morphology in La_(0.6)Sr_(0.4)MnO_3 Thin Films as Probed by Low-Temperature Magnetic Force Microscopy
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Magnetic Domain Structures Governed by Granular Morphology in La_(0.6)Sr_(0.4)MnO_3 Thin Films as Probed by Low-Temperature Magnetic Force Microscopy

机译：低温磁力显微镜探测La_（0.6）Sr_（0.4）MnO_3薄膜中颗粒形态控制的磁畴结构

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摘要

We investigated magnetic domain structures in granular La_(0.6)Sr_(0.4)MnO_3 thin films using magnetic force microscopy (MFM) at 78 K. Scanning-mode atomic force microscopy (AFM) resolved individual grains ～50 nm in diameter, while MFM imaged perpendicular magnetic domains. The magnetic field distribution gradually inverted across the magnetic domain boundaries, and the width of the transition region reached ～250 nm. We postulate that the grains behave as single domains with either in- or out-of-plane magnetization and that in-plane domains are stabilized near the magnetic domain boundaries.
机译：我们在78 K下使用磁力显微镜（MFM）研究了颗粒La_（0.6）Sr_（0.4）MnO_3薄膜中的磁畴结构。扫描模式原子力显微镜（AFM）解析了直径约50 nm的单个晶粒，同时对MFM成像垂直磁畴。磁场分布在整个磁畴边界处逐渐反转，过渡区的宽度达到〜250 nm。我们假设晶粒表现为具有平面内或平面外磁化的单个畴，并且平面内畴在磁畴边界附近稳定。

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  • 来源
    《Applied physics express》 |2009年第6期|61-63|共3页
  • 作者

    Shinji Muranaka; Hidetaka Sugaya; Takashi Yamasaki; Tomoteru Fukumura; Masashi Kawasaki; Tetsuya Hasegawa;

  • 作者单位

    Department of Chemistry, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan;

    Department of Chemistry, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan Materials Science and Analysis Technology Center, Panasonic Corporation, 3-1-1 Yagumonakamachi, Moriguchi, Osaka 578-8501, Japan;

    Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan;

    Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan;

    Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan WPI Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan CREST, Japan Science and Technology Agency, 5 Sanbancho, Chiyoda, Tokyo 102-0075, Japan;

    Department of Chemistry, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan Kanagawa Academy of Science and Technology (KAST), 3-2-1 Sakado, Takatsu-ku, Kawasaki 213-0012, Japan;

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