Determination of the values of band-edge discontinuities ΔEv and ΔEc at the heterojunction of N-GaSb/n-GaInAsSb isotype structures by photovoltaic method


Afrailov M. , Mikhailova M., Rahimov N.

Turkish Journal of Physics, vol.21, no.12, pp.1229-1232, 1997 (Journal Indexed in SCI Expanded) identifier

  • Publication Type: Article / Article
  • Volume: 21 Issue: 12
  • Publication Date: 1997
  • Title of Journal : Turkish Journal of Physics
  • Page Numbers: pp.1229-1232

Abstract

Values of the potential jumps in the valence band and in the conduction band have been determined by photovoltaic method for N-GaSb/n-GaInAsSb isotype structures fabricated by liquid-phase epitaxy. Measurements of the ratio of photoresponse value to R0 at temperatures over the range 90-360 K have shown a value of potential jump in valence band as much as 0,1 eV. Energy band diagrams have been established for N-GaSb/n-GaInAsSb junctions which show evidence that the junctions corresponds to II-type "staggered" heterojunctions. © Tübi̇tak.