木虫 (著名写手)
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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 柠檬树: 金币+15, 翻译EPI+1, ★★★★★最佳答案, 第一句话,感觉单独说方法,有点不是很好啊 2013-03-01 22:12:07 phu_grassman: 金币+3, thanks. 2013-03-02 08:50:45
1. XX have proved that TMR can be substantially cut by interchannel diffusive scattering by out-of-order oxygen vacancies at or near the Fe/MgO interface. The analying method employed in the study is principles analysis.
2. YY has shown that O vacancies in the barrier exert great effect on the conductance in MTJs by nonresonant scattering of tunneling electrons, which leads to a drastic decrease of TMR.
3. According to ZZ, O vacancis in the MgO can generate symmetry-breaking scattering, providing access to the noncoherent tunneling. If the quality of the MgO barrier is bettered to decrease O vacancy concentration, then TMR in MTJs will be improved. |
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