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Photoluminescence Studies of Deep Impurity States in Fe-Doped InP

  • S. G. Bishop
  • P. B. Klein
  • R. L. Henry
  • B. D. McCombe

Abstract

Photoluminescence, photoluminescence excitation, and optical absorption measurements have been carried out on semi-insulating and n-type InP:Fe. Interband excitation of the ~0.35 eV intracentre Fe2+ transition is interpreted in terms of electron capture by an Fe3+, resulting in an Fe24+ centre in the 5T2 excited state, which relaxes radiatively to the 5E ground state. An extrinsic band in the photo luminescence excitation spectrum of the ~ 0.35 eV luminescence exhibits an onset at ~ 1.13–1.15 eV, which is attributed to transitions from the valence band to the 5T2 excited state of Fe2+. This assignment is found to be consistent with the energy level scheme for InP:Fe proposed by Fung, Nicholas and Stradling.

Keywords

Electron Spin Resonance Optical Absorption Measurement Energy Level Scheme Photoconductivity Spectrum Photoluminescence Excitation Spectrum 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© S. G. Bishop, P.B. Klein, R.L. Henry and B.D. McCombe 1980

Authors and Affiliations

  • S. G. Bishop
    • 1
  • P. B. Klein
    • 1
  • R. L. Henry
    • 1
  • B. D. McCombe
    • 1
  1. 1.Naval Research LaboratoryUSA

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