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Optical and magneto-optical properties of as-quenched CoFeSiB amorphous ribbons

机译：淬火后的CoFeSiB非晶带的光学和磁光特性

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摘要

Surface optical and magneto-optical properties of as-quenched (AQ) Co_(66)Fe_4Si_(15)B_(15) amorphous ribbons are studied using the magneto-optic vector magnetometry. Both in-plane magnetization components (longitudinal M_l and transversal M_t) detect typical uniaxial magnetic anisotropy with the easy axis close to the ribbon axis. Moreover, the total magnetization vector |M|/M_s = (M_L~2 + M_T~2)~(0.5)/M_s indicates that coherent rotation of magnetization dominates. In the regions, wherern|M|/M_s<1, we observe the magnetic domains using the Kerr optical microscope. The fact that domain structure closely relates with the magnetic anisotropy is confirmed. Surface optical (refractive index) and magneto-optical (the Voight constant) properties of AQ ribbon are obtained by comparing the measured magneto-optical Kerr angles at different incident angles with the theoretical model based on the light propagation in layered anisotropic media.
机译：利用磁光矢量磁法研究了淬火后的（AQ）Co_（66）Fe_4Si_（15）B_（15）非晶带的表面光学和磁光特性。平面内磁化分量（纵向M_1和横向M_t）均检测易轴接近带状轴的典型单轴磁各向异性。此外，总磁化矢量| M | / M_s =（M_L〜2 + M_T〜2）〜（0.5）/ M_s表示磁化的相干旋转起主导作用。在rn | M | / M_s <1的区域中，我们使用Kerr光学显微镜观察磁畴。证实了畴结构与磁各向异性密切相关的事实。通过将在不同入射角下测得的磁光克尔角与基于层状各向异性介质中光传播的理论模型进行比较，可以获得AQ碳带的表面光学（折射率）和磁光（沃伊特常数）特性。

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  • 来源
    《Photonics, devices, and systems IV》|2008年|713809.1-713809.6|共6页
  • 会议地点 Prague(CS)
  • 作者

    O. Zivotsky; K. Hrabovska; A. Hendrych; K. Postava; L. Klirnsa; J. Pistora;

  • 作者单位

    Department of Physics, VSB-TU Ostrava, 17.1istopadu 15, 708 33 Ostrava-Poruba, Czech Republic;

    Department of Physics, VSB-TU Ostrava, 17.1istopadu 15, 708 33 Ostrava-Poruba, Czech Republic;

    Department of Physics, VSB-TU Ostrava, 17.1istopadu 15, 708 33 Ostrava-Poruba, Czech Republic;

    Department of Physics, VSB-TU Ostrava, 17.1istopadu 15, 708 33 Ostrava-Poruba, Czech Republic;

    Department of Physics, VSB-TU Ostrava, 17.1istopadu 15, 708 33 Ostrava-Poruba, Czech Republic;

    Department of Physics, VSB-TU Ostrava, 17.1istopadu 15, 708 33 Ostrava-Poruba, Czech Republic;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程光学;
  • 关键词

    uniaxial magnetic anisotropy; magnetic domains; soft magnetic materials;

    机译：单轴磁各向异性磁畴；软磁材料;

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