Electronic contribution to the elastic constants of niobium with hydrogen impurity
作者:
Chul Koo Kim,
Kyun Nahm,
期刊:
Journal of Applied Physics
(AIP Available online 1985)
卷期:
Volume 57,
issue 5
页码: 1751-1752
ISSN:0021-8979
年代: 1985
DOI:10.1063/1.334450
出版商: AIP
数据来源: AIP
摘要:
The change in the electronic contribution to the elastic constants of Nb due to hydrogen impurity has been evaluated using a distance‐dependent tight‐binding parametrization scheme. The good agreement between the calculated results and the experimental data clearly demonstrates that the positive change ofC44observed in niobium with hydrogen impurity originates from the electronic contribution.
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