Calculation of Specific Heat for Aluminium Thin Films
LU Yao, SONG Qing-Lin, XIA Shan-Hong
State Key Laboratory of Transducer Technology and Institute of Electronics, Chinese Academy of Sciences,
PO Box 2652, Beijing 100080
Calculation of Specific Heat for Aluminium Thin Films
LU Yao;SONG Qing-Lin;XIA Shan-Hong
State Key Laboratory of Transducer Technology and Institute of Electronics, Chinese Academy of Sciences,
PO Box 2652, Beijing 100080
关键词 ：
68.66.Jk ,
68.60.Dv
Abstract ： We employ Prasher’s non-dimensional form to analyse the size effects on specific heat of Al thin films. Compared the calculation results of pure aluminium film with the experimental data, it is found that the reduction of phonon states is not the main reason of the size effect on the specific heat Al thin films with thickness from 10nm to 370nm. However, the Al thin film in air usually has an oxidation layer and the specific heat of the layer is smaller than Al. By including the contribution of the oxidation layer to the thin-film specific heat, the calculation results are much closer to the experimental data. This may be a possible reason of the size effects on specific heat of Al thin films.
Key words ：
68.66.Jk
68.60.Dv
出版日期: 2005-09-01
引用本文:
LU Yao;SONG Qing-Lin;XIA Shan-Hong. Calculation of Specific Heat for Aluminium Thin Films[J]. 中国物理快报, 2005, 22(9): 2346-2348.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I9/2346
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