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Proceedings Paper

Magnetoresistance in Cu-Co granular films and Co/Cu/Co sandwiches
Author(s): H. Wang; Q. Y. Jin; C. Chu; Yuanhua Shen; Hanfeng Chen; Feiming Li; Q. S. Bie; M. Lu; H. R. Zhai
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Paper Abstract

Cu1-xCOx granular films with x equals 19, 27, 43, and 45 achieved by sputtering with different argon gas pressure are studied by the magnetic and magnetoresistance measurement. With the increase of the sputter argon gas pressure P, the remanence and coercive force increases, but the MR ratio has a maximum value around P equals 1.5 Pa, confirming that a proper size of Co grains and a suitable concentration are required for the large MR. And for Co/Cu/Co sandwiches, we found there was an MR ration oscillation as Cu layer thickness was varied.

Paper Details

Date Published: 20 February 1998
PDF: 4 pages
Proc. SPIE 3175, Third International Conference on Thin Film Physics and Applications, (20 February 1998); doi: 10.1117/12.300724
Show Author Affiliations
H. Wang, Fudan Univ. (China)
Q. Y. Jin, Fudan Univ. (China)
C. Chu, Fudan Univ. (China)
Yuanhua Shen, Fudan Univ. (China)
Hanfeng Chen, Fudan Univ. (China)
Feiming Li, Fudan Univ. (China)
Q. S. Bie, Nanjing Univ. (China)
M. Lu, Nanjing Univ. (China)
H. R. Zhai, Nanjing Univ. (China)

Published in SPIE Proceedings Vol. 3175:
Third International Conference on Thin Film Physics and Applications
Shixun Zhou; Yongling Wang; Yi-Xin Chen; Shuzheng Mao, Editor(s)

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