Infrared spectroscopy of hg1-znte alloys

Ching Cherng Wu, Dong Yuan Chu, Cherng Yuan Sun, Tzuen-Rong Yang

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Infrared spectra, including transmission and reflection, have been used to characterize Hg1-xZnxTe crystals with various compositions x from cryostat temperature to room temperature. The energy band gap of the crystals were determined from the transmission spectra and their temperature dependence was observed. The reflection spectra of Hg1-xZnx crystals have been measured in the wave-number region of 60 to 450 cm-1. The frequencies of optical mode lattice vibrations are determined and their temperature dependence is discussed. A correlation between the HgTe lattice vibration TO mode and the electronic band structure of Hg1-xZnxTe alloys was found and the temperature dependence of electronic states for Hg1-xZnxTe can be explained well by a clustering effect in crystals.

Original languageEnglish
Pages (from-to)4687-4693
Number of pages7
JournalJapanese Journal of Applied Physics
Volume34
Issue number9R
DOIs
Publication statusPublished - 1995 Jan 1

Fingerprint

Infrared spectroscopy
infrared spectroscopy
lattice vibrations
Crystals
Lattice vibrations
temperature dependence
crystals
Band structure
Temperature
cryostats
electronics
Cryostats
energy bands
Electronic states
vibration mode
infrared spectra
Energy gap
Infrared radiation
room temperature
Chemical analysis

Keywords

  • Infrared transmission and reflection spectra
  • Lattice vibration
  • Mercury-zinc-telluride
  • Temperature dependence of energy band gap

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Infrared spectroscopy of hg1-znte alloys. / Wu, Ching Cherng; Chu, Dong Yuan; Sun, Cherng Yuan; Yang, Tzuen-Rong.

In: Japanese Journal of Applied Physics, Vol. 34, No. 9R, 01.01.1995, p. 4687-4693.

Research output: Contribution to journalArticle

Wu, Ching Cherng ; Chu, Dong Yuan ; Sun, Cherng Yuan ; Yang, Tzuen-Rong. / Infrared spectroscopy of hg1-znte alloys. In: Japanese Journal of Applied Physics. 1995 ; Vol. 34, No. 9R. pp. 4687-4693.
@article{152ae03ce0604de5b996e0b8bdd6c146,
title = "Infrared spectroscopy of hg1-∞zn∞te alloys",
abstract = "Infrared spectra, including transmission and reflection, have been used to characterize Hg1-xZnxTe crystals with various compositions x from cryostat temperature to room temperature. The energy band gap of the crystals were determined from the transmission spectra and their temperature dependence was observed. The reflection spectra of Hg1-xZnx crystals have been measured in the wave-number region of 60 to 450 cm-1. The frequencies of optical mode lattice vibrations are determined and their temperature dependence is discussed. A correlation between the HgTe lattice vibration TO mode and the electronic band structure of Hg1-xZnxTe alloys was found and the temperature dependence of electronic states for Hg1-xZnxTe can be explained well by a clustering effect in crystals.",
keywords = "Infrared transmission and reflection spectra, Lattice vibration, Mercury-zinc-telluride, Temperature dependence of energy band gap",
author = "Wu, {Ching Cherng} and Chu, {Dong Yuan} and Sun, {Cherng Yuan} and Tzuen-Rong Yang",
year = "1995",
month = "1",
day = "1",
doi = "10.1143/JJAP.34.4687",
language = "English",
volume = "34",
pages = "4687--4693",
journal = "Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes",
issn = "0021-4922",
publisher = "Japan Society of Applied Physics",
number = "9R",

}

TY - JOUR

T1 - Infrared spectroscopy of hg1-∞zn∞te alloys

AU - Wu, Ching Cherng

AU - Chu, Dong Yuan

AU - Sun, Cherng Yuan

AU - Yang, Tzuen-Rong

PY - 1995/1/1

Y1 - 1995/1/1

N2 - Infrared spectra, including transmission and reflection, have been used to characterize Hg1-xZnxTe crystals with various compositions x from cryostat temperature to room temperature. The energy band gap of the crystals were determined from the transmission spectra and their temperature dependence was observed. The reflection spectra of Hg1-xZnx crystals have been measured in the wave-number region of 60 to 450 cm-1. The frequencies of optical mode lattice vibrations are determined and their temperature dependence is discussed. A correlation between the HgTe lattice vibration TO mode and the electronic band structure of Hg1-xZnxTe alloys was found and the temperature dependence of electronic states for Hg1-xZnxTe can be explained well by a clustering effect in crystals.

AB - Infrared spectra, including transmission and reflection, have been used to characterize Hg1-xZnxTe crystals with various compositions x from cryostat temperature to room temperature. The energy band gap of the crystals were determined from the transmission spectra and their temperature dependence was observed. The reflection spectra of Hg1-xZnx crystals have been measured in the wave-number region of 60 to 450 cm-1. The frequencies of optical mode lattice vibrations are determined and their temperature dependence is discussed. A correlation between the HgTe lattice vibration TO mode and the electronic band structure of Hg1-xZnxTe alloys was found and the temperature dependence of electronic states for Hg1-xZnxTe can be explained well by a clustering effect in crystals.

KW - Infrared transmission and reflection spectra

KW - Lattice vibration

KW - Mercury-zinc-telluride

KW - Temperature dependence of energy band gap

UR - http://www.scopus.com/inward/record.url?scp=0029369483&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0029369483&partnerID=8YFLogxK

U2 - 10.1143/JJAP.34.4687

DO - 10.1143/JJAP.34.4687

M3 - Article

AN - SCOPUS:0029369483

VL - 34

SP - 4687

EP - 4693

JO - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes

JF - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes

SN - 0021-4922

IS - 9R

ER -