Doping caused great magnetoresistance change in Co-based sandwiches

H. Wang; Q. Y. Jin; Jiaju Ma; YuXing Xia; Yingli Chen; Weimin Zheng; Junhao Chu

doi:10.1117/12.408300

29 November 2000 Doping caused great magnetoresistance change in Co-based sandwiches

H. Wang, Q. Y. Jin, Jiaju Ma, YuXing Xia, Yingli Chen, Weimin Zheng, Junhao Chu

Author Affiliations +

Proceedings Volume 4086, Fourth International Conference on Thin Film Physics and Applications; (2000) https://doi.org/10.1117/12.408300
Event: 4th International Conference on Thin Film Physics and Applications, 2000, Shanghai, China

Abstract

Some results in sandwiched Co/spacer/Co structures have been achieved. With doping Mn and NiO in the Cu spacer, the GMR curve as a function of the magnetic field changes a lot, and the saturation/switching field for GMR can be reduced greatly compare with that in Co/Cu/Co systems. The most important characteristic of the MR change for Co/CuMn/Co system was its two peaks became narrow and sharp, but for Co/NiO-Cu/Cu system, was its two peaks became wide and flat. These results may indicate some new ways in consideration of candidates for novel magnetic devices.

Citation Download Citation

H. Wang, Q. Y. Jin, Jiaju Ma, YuXing Xia, Yingli Chen, Weimin Zheng, and Junhao Chu "Doping caused great magnetoresistance change in Co-based sandwiches", Proc. SPIE 4086, Fourth International Conference on Thin Film Physics and Applications, (29 November 2000); https://doi.org/10.1117/12.408300

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