期刊
JOURNAL OF APPLIED PHYSICS
卷 113, 期 20, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.4808102
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资金
- European Community [257707]
- C-Nano Ile de France
- Triangle de la Physique RTRA (soutien au transfert CNRS)
- Labex Nanosaclay
We study perpendicularly magnetized Ta/CoFeB/MgO films and investigate whether their irradiation with light ions can improve their properties by inducing a different crystallization dynamics. We report the magnetization, anisotropy, g-factor, and damping dependence upon irradiation fluence and discuss their evolutions with collisional mixing simulations and its expected consequence on magnetic properties. We show that after a short irradiation at 100 degrees C, the anisotropy increases close to the value obtained by conventional high temperature annealing. Higher irradiation-induced increase of anisotropy can be obtained but with a detrimental effect on the damping that can be understood from spin-orbit contributions. (C) 2013 AIP Publishing LLC.
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