Infrared studies and optical characterization of ZnSe1-xTex molecular beam epitaxial films

T. R. Yang; C. C. Lu

doi:10.1016/S0921-4526(99)02616-2

Infrared studies and optical characterization of ZnSe_1-xTe_x molecular beam epitaxial films

T. R. Yang, C. C. Lu

物理學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

7 引文斯高帕斯（Scopus）

摘要

We measured the FIR reflectance and Raman scattering spectra of ZnSe_1-xTe_x/GaAs (x = 0.08-0.93) thin films in long-wavelength range at temperature from 300 down to 80 K. The ZnSe-like TO and LO phonon modes were observed, respectively, in 202 and 247 cm^-1 at x = 0.08. In addition, the ZnTe-like TO and LO modes were identified in 178 and 209 cm^-1. With a new LO-TO pair observed in all different Te composition samples of our FIR data. We identified the vibration modes of ZnSe_1-xTe_x thin films as intermediate-mode behavior.

原文	英語
頁（從 - 到）	1187-1188
頁數	2
期刊	Physica B: Condensed Matter
卷	284-288
發行號	PART II
DOIs	https://doi.org/10.1016/S0921-4526(99)02616-2
出版狀態	已發佈 - 2000 一月 1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/S0921-4526(99)02616-2

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引用此

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abstract = "We measured the FIR reflectance and Raman scattering spectra of ZnSe1-xTex/GaAs (x = 0.08-0.93) thin films in long-wavelength range at temperature from 300 down to 80 K. The ZnSe-like TO and LO phonon modes were observed, respectively, in 202 and 247 cm-1 at x = 0.08. In addition, the ZnTe-like TO and LO modes were identified in 178 and 209 cm-1. With a new LO-TO pair observed in all different Te composition samples of our FIR data. We identified the vibration modes of ZnSe1-xTex thin films as intermediate-mode behavior.",

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AB - We measured the FIR reflectance and Raman scattering spectra of ZnSe1-xTex/GaAs (x = 0.08-0.93) thin films in long-wavelength range at temperature from 300 down to 80 K. The ZnSe-like TO and LO phonon modes were observed, respectively, in 202 and 247 cm-1 at x = 0.08. In addition, the ZnTe-like TO and LO modes were identified in 178 and 209 cm-1. With a new LO-TO pair observed in all different Te composition samples of our FIR data. We identified the vibration modes of ZnSe1-xTex thin films as intermediate-mode behavior.

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KW - Optical phonons

KW - ZnSeTe

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