摘要
Electronic properties of InAs1-xSbx films with x up to 0.09 have been investigated by reflectance spectra in 1.5-5 eV energy range at room temperature. The real and imaginary parts of the dielectric function were derived by Kramers-Kronig analysis on the reflectance spectra, which show satisfactory agreement with the spectroscopic ellipsometry data. The E 1′ and E 1′ + Δ 1′ peaks are attributed to electronic interband transitions at the E1 and E1 + Δ1 critical points, respectively. The prominent E 2′ peaks, which exhibit high reflectivity and large blueshift, are found to be contributed by hybrid resonance due to the cooperative behavior of both E2 -state electrons and plasmons.
| 源语言 | 英语 |
|---|---|
| 文章编号 | 151910 |
| 期刊 | Applied Physics Letters |
| 卷 | 97 |
| 期 | 15 |
| DOI | |
| 出版状态 | 已出版 - 11 10月 2010 |
| 已对外发布 | 是 |
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