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

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	1187-1188
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	284-288
Issue number	PART II
DOIs	https://doi.org/10.1016/S0921-4526(99)02616-2
Publication status	Published - 2000

Keywords

Intermediate mode
Optical phonons
ZnSeTe

ASJC Scopus subject areas

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

Access to Document

10.1016/S0921-4526(99)02616-2

Cite this

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title = "Infrared studies and optical characterization of ZnSe1-xTex molecular beam epitaxial films",

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.",

keywords = "Intermediate mode, Optical phonons, ZnSeTe",

author = "Yang, {T. R.} and Lu, {C. C.}",

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doi = "10.1016/S0921-4526(99)02616-2",

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issn = "0921-4526",

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TY - JOUR

T1 - Infrared studies and optical characterization of ZnSe1-xTex molecular beam epitaxial films

AU - Yang, T. R.

AU - Lu, C. C.

PY - 2000

Y1 - 2000

N2 - 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.

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.

KW - Intermediate mode

KW - Optical phonons

KW - ZnSeTe

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