Optical spectra of wide band gap BexZn1 - xSe alloys

A. M. Mintairov, S. Raymond, J. L. Merz, F. C. Peiris, Sang Hoon Lee, U. Bindley, J. K. Furdyna, V. G. Melehin, K. Sadchikov

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

We report optical measurements (photoluminescence, Raman scattering, and infrared reflectance) of direct band gap and of optical phonon energies of BexZn1-xSe alloys grown by MBE on (001) GaAs substrates for a wide range of Be concentrations. The high band gap of BeSe (5.15 eV) suggests the possibility of using isoternary alloys for ultraviolet optoelectronic applications. BexZn1-xSe has the unique advantage that it can be lattice matched to Si at about x=0.5. We observed a strong linear shift of the BexZn1-xSe direct band gap to higher energies with increasing Be content (to 3.63 eV for x =0.34). Furthermore, optical phonon parameters for the entire range of BeSe content have been obtained. Finally, polarized infrared and Raman spectra revealed local atomic ordering (anti-clustering) effects in the group-II sublattice.

Original languageEnglish
Pages (from-to)1021-1023
Number of pages3
JournalSemiconductors
Volume33
Issue number9
Publication statusPublished - 1999 Sep 1
Externally publishedYes

Fingerprint

optical spectrum
Energy gap
broadband
Raman scattering
Raman spectra
Infrared radiation
optical measurement
Molecular beam epitaxy
Optoelectronic devices
sublattices
Photoluminescence
infrared spectra
reflectance
photoluminescence
energy
shift
Substrates
gallium arsenide

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Mintairov, A. M., Raymond, S., Merz, J. L., Peiris, F. C., Lee, S. H., Bindley, U., ... Sadchikov, K. (1999). Optical spectra of wide band gap BexZn1 - xSe alloys. Semiconductors, 33(9), 1021-1023.

Optical spectra of wide band gap BexZn1 - xSe alloys. / Mintairov, A. M.; Raymond, S.; Merz, J. L.; Peiris, F. C.; Lee, Sang Hoon; Bindley, U.; Furdyna, J. K.; Melehin, V. G.; Sadchikov, K.

In: Semiconductors, Vol. 33, No. 9, 01.09.1999, p. 1021-1023.

Research output: Contribution to journalArticle

Mintairov, AM, Raymond, S, Merz, JL, Peiris, FC, Lee, SH, Bindley, U, Furdyna, JK, Melehin, VG & Sadchikov, K 1999, 'Optical spectra of wide band gap BexZn1 - xSe alloys', Semiconductors, vol. 33, no. 9, pp. 1021-1023.
Mintairov AM, Raymond S, Merz JL, Peiris FC, Lee SH, Bindley U et al. Optical spectra of wide band gap BexZn1 - xSe alloys. Semiconductors. 1999 Sep 1;33(9):1021-1023.
Mintairov, A. M. ; Raymond, S. ; Merz, J. L. ; Peiris, F. C. ; Lee, Sang Hoon ; Bindley, U. ; Furdyna, J. K. ; Melehin, V. G. ; Sadchikov, K. / Optical spectra of wide band gap BexZn1 - xSe alloys. In: Semiconductors. 1999 ; Vol. 33, No. 9. pp. 1021-1023.
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