Piezoreflectance study of silicon carbon nitride nanorods

C. H. Hsieh, Y. S. Huang, P. F. Kuo, Y. F. Chen, L. C. Chen, J. J. Wu, K. H. Chen, K. K. Tiong

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12 引文 斯高帕斯(Scopus)

摘要

Detailed piezoreflectance (PzR) measurements of quasialigned silicon carbon nitride nanorods in the temperature range between 15 and 400 K were performed. The direct band-to-band transition energies Edg at various temperatures were determined accurately through line shape fit of the experimental PzR spectra. The temperature dependence of Edg is analyzed by the Varshni equation [Y. P. Varshni, Physica, (Amsterdam) 34, 149 (1967)] and an expression containing the Bose-Einstein occupation factor for phonons proposed by L. Viña, S. Logothetidis, and M. Cardona [Phys. Rev. B 30, 1979 (1984)]. The parameters that describe the temperature dependence of Edg are evaluated and discussed.

原文English
頁(從 - 到)2044-2046
頁數3
期刊Applied Physics Letters
76
發行號15
DOIs
出版狀態Published - 2000 四月 10

All Science Journal Classification (ASJC) codes

  • 物理與天文學(雜項)

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