物理化学学报 >> 2000, Vol. 16 >> Issue (06): 573-576.doi: 10.3866/PKU.WHXB20000619

研究简报 上一篇    

电沉积Co-Cu颗粒膜的巨磁电阻效应

李浩华, 黎超, 李伟, 李成贤, 葛世慧   

  1. 兰州大学物理科学与技术学院，兰州730001
  • 收稿日期:1999-09-27 修回日期:2000-01-20 发布日期:2000-06-15
  • 通讯作者: 葛世慧

Giant Magnetoresistance in Electro-deposited Co-Cu Granular Film

Li Hao-Hua, Li Chao, Li Wei, Li Cheng-Xian, Ge Shi-Hui   

  1. School of Physical Science and Technology,Lanzhou University,Lanzhou 730001
  • Received:1999-09-27 Revised:2000-01-20 Published:2000-06-15
  • Contact: Ge Shi-Hui

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关键词: 电沉积, 颗粒膜, 巨磁电阻(GMR)

Abstract:

CoxCu100-x granular films were prepared by electro deposition(ED). The relationship between Co concentration and ED potential, as well as the influence of ED and annealing conditions on GMR have been studied. It is found that the maximum value of GMR depends on the annealing temperature and Co concentration. After annealing Co16Cu84 sample at 425 ℃, we got the maximum value of GMR with -5 %at room temperature, 1100 kA•m-1 and -10% at 77 K, 650 kA•m-1. TEM measurement was used to study the microstructure and the explanation of explain the results.

Key words: Electro-deposition, Granular films, Giant magnetoresistance(GMR)