期刊
APPLIED PHYSICS LETTERS
卷 96, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3284647
关键词
elemental semiconductors; nanowires; phonons; Raman spectra; semiconductor quantum wires; silicon; thermal conductivity
资金
- Spanish Government [MAT-2007-66181]
- Junta de Castilla y Leon [VA051A06-GR202]
Raman spectroscopy provides nondestructive information about nanoscaled semiconductors by modeling the phonon confinement effect. However, the Raman spectrum is also sensitive to the temperature, which can mix with the size effects borrowing the interpretation of the Raman spectrum. We present an analysis of the Raman spectra of Si nanowires (NWs). The influence of the excitation conditions and the temperature increase in the NWs are discussed. The interpretation of the data is supported by the calculation of the temperature inside the NWs with different diameters.
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