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A study on magnetic and magneto-optical properties of PdMn/Co multilayers

Chen Liang-Yao Liang Bing-Qing Wang Hai Zhang Zhen-Rong Wang Yin-Jun Zhou Xun

A study on magnetic and magneto-optical properties of PdMn/Co multilayers

Chen Liang-Yao, Liang Bing-Qing, Wang Hai, Zhang Zhen-Rong, Wang Yin-Jun, Zhou Xun
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  • Received Date:  14 November 2002
  • Accepted Date:  07 January 2003
  • Published Online:  20 October 2003

A study on magnetic and magneto-optical properties of PdMn/Co multilayers

  • 1. (1)复旦大学物理系,上海 200433; (2)中国科学院物理研究所磁学国家重点实验室, 北京 100080; (3)中国科学院物理研究所磁学国家重点实验室, 北京 100080;贵州师范大学物理与电子科学系,贵阳 550001

Abstract: Co/Pd1-xMnx multilayers with Mn concentration x=0 to 20.8 % have been sp uttered on a glass substrate with 40 nm thick Pd or PdMn buffer. With the combin ation of small_ and large_angle x_ray analyes, the crystal structure of the samp les were investigated. Hysteresis loop and perpendicular magnetic anisotropy (PM A) were measured by means of an alternating_gradient magnetometer and magnetic t orque. Domain structure was observed by magnetic force microscopy. Saturation ma gnetization, PMA and the Kerr rotation spectrum of the samples were investigated . It is shown that the change of Kerr rotation with the increase of Mn concentr ation in Pd could be ascribed to the variation of diagonal and off_diagonal elem ents of the dielectric tensor.

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