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Optical spectra of wide band gap BexZn1−x Se alloys

Semiconductors volume 33, pages 1021–1023 (1999)Cite this article

Abstract

We report optical measurements (photoluminescence, Raman scattering, and infrared reflectance) of direct band gap and of optical phonon energies of BexZn1−x Se 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−x Se 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−x Se 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.

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Authors and Affiliations

  1. Department of Electrical Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA

    A. M. Mintairov, S. Raymond & J. L. Merz

  2. Department of Physics, University of Notre Dame, Notre Dame, IN, 46556, USA

    F. C. Peiris, S. Lee, U. Bindley & J. K. Furdyna

  3. A.F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, 194021, St. Petersburg, Russia

    A. M. Mintairov, V. G. Melehin & K. Sadchikov

Authors
  1. A. M. Mintairov
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  2. S. Raymond
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  3. J. L. Merz
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  4. F. C. Peiris
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  5. S. Lee
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  6. U. Bindley
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  7. J. K. Furdyna
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  8. A. M. Mintairov
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  9. V. G. Melehin
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  10. K. Sadchikov
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Additional information

Fiz. Tekh. Poluprovodn. 33, 1120–1122 (September 1999)

This article was published in English in the original Russian journal. Reproduced here with stylistic changes by the Translation Editor.

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Mintairov, A.M., Raymond, S., Merz, J.L. et al. Optical spectra of wide band gap BexZn1−x Se alloys. Semiconductors 33, 1021–1023 (1999). https://doi.org/10.1134/1.1187830

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  • DOI: https://doi.org/10.1134/1.1187830

Keywords

  • GaAs
  • Raman Spectrum
  • Electromagnetism
  • Raman Scattering
  • Optical Spectrum

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