Study on anti-radiation character of GMR multi-films

ZHENG Yang; QU Bingjun; ZHAO Fulong; REN Tianling; LIU Litian

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Study on anti-radiation character of GMR multi-films

更新时间：2023-03-30

- Study on anti-radiation character of GMR multi-films
- Journal of Radiation Research and Radiation Processing Vol. 28, Issue 5, Pages: 302-306(2010)
- 作者机构：
  
  1.清华大学微电子学研究所　北京　100084
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ZHENG Yang, QU Bingjun, ZHAO Fulong, et al. Study on anti-radiation character of GMR multi-films. [J]. Journal of Radiation Research and Radiation Processing 28(5):302-306(2010)
DOI：

ZHENG Yang, QU Bingjun, ZHAO Fulong, et al. Study on anti-radiation character of GMR multi-films. [J]. Journal of Radiation Research and Radiation Processing 28(5):302-306(2010) DOI：

摘要

研究了两种不同材料构成自旋阀结构的巨磁电阻 (Giant magneto resistance，GMR)多层膜受质子辐照、电子辐照和γ射线辐照的影响。实验结果表明，辐照会引起磁电阻率的略微下降，但降幅均低于10%，并且GMR薄膜的矫顽力和交换场并不受辐照的影响。对比发现，GMR元件受太空环境中以质子辐射为主的影响非常小，这表明GMR元件在空间应用中具有广阔的前景。

Abstract

The effects of γ-rays, electron and proton irradiation on two different types of GMR (Giant magneto resistance) multi-films containing different materials were investigated. Lower than 10% decrement in MR rate were observed in all the irradiation process meanwhile the coercivity and exchange field had not varied. The proton irradiation as the major irradiation in the space has much less affection on GMR element than the other two irradiations. This good performance makes GMR element having further application in space science.

关键词

巨磁电阻质子辐照电子辐照γ辐照

Keywords

Giant magneto resistanceProton irradiationElectron irradiationγ-irradiation

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