空位扩散 vacancy diffusion
- 这就更利于空位机制扩散, 化学势梯度也相应增加。
This would be propitious to the diffuse of vacancy mechanism, and accordingly the chemical. - 铜粉和镍粉在反应过程中,只有镍粉颗粒进入铜粉颗粒、铜几乎不进入镍,界面单向迁移、单向空位扩散是其密度和硬度下降的主要原因。
Because the interface migration is unidirectional, so only Ni can diffuse into Cu powder and the Cu can′t diffuse almost into the Ni powder. - 用分子动力学方法模拟了空位在金刚石近(0 0 1)表面的扩散过程,研究了温度对空位扩散的影响。
The diffusion process of the vacancy near diamond(001) surface and the effects of temperature on the vacancy diffusion were investigated by molecular dynamics simulation.
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