Diffusion of H 2 , D 2 , and T 2 in Single-Crystal Ni and Cu
Diffusion of H 2 , D 2 , and T 2 in Single-Crystal Ni and Cu
复制标题
单晶 Ni 和 Cu 中 H 2 、D 2 和 T 2 的扩散
DOI：
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发表时间：
1971
期刊：
影响因子：
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通讯作者：
R. Borg
中科院分区：
文献类型：
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作者：
L. Katz;M. Guinan;R. Borg
得到了${mathrm{H}}_{2}$、${mathrm{D}}_{2}$和${mathrm{T}}_{2}$在Cu和Ni中的扩散系数随温度的变化关系。Vineyard提出的绝对速率理论在考虑量子修正和非谐效应的情况下对结果提供了充分的解释。镍的结果尤其受到谐波近似的失败，显然是为铜。
Diffusion coefficients have been obtained for ${mathrm{H}}_{2}$, ${mathrm{D}}_{2}$, and ${mathrm{T}}_{2}$ as a function of temperature in both Cu and Ni. The absolute-rate-theory formalism as proposed by Vineyard provides an adequate explanation of the results if quantum corrections and anharmonic effects are taken into consideration. The Ni results are especially affected by the failure of the harmonic approximation that apparently holds for Cu.