Cross-plane thermal conductivity of self-assembled Ge quantum dot superlattices

J. L. Liu, A. Khitun, K. L. Wang, W. L. Liu, G. Chen, Q. H. Xie, S. G. Thomas

研究成果: Article同行評審

45 引文 斯高帕斯(Scopus)

摘要

We report the temperature dependent cross-plane thermal conductivities of Ge quantum dot superlattices measured by the 3ω method. A large reduction in the thermal conductivity of the superlattices compared with that of bulk materials is observed. A simple model taking into account the relaxation time approximation, including phonon scattering on quantum dots, well explains the experimental data.

原文English
期刊Physical Review B - Condensed Matter and Materials Physics
67
發行號16
DOIs
出版狀態Published - 2003 四月 30

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學

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