Characterization of unicompositional GaInP2 ordering heterostructures grown by variation of V/III ratio

C. E. Inglefield, M. C. DeLong, P. C. Taylor, Y. S. Chun, I. H. Ho, G. B. Stringfellow, J. H. Kim, Tae Yeon Seong

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Photoluminescence (PL) and photoluminescence excitation (PLE) spectroscopies are employed to investigate single heterostructures based on two GaInP2 layers that have the same composition but different degrees of order on the cation sublattice. Four sample configurations are studied: two complementary single heterostructures, a more ordered layer grown on a less ordered layer and vice versa, and two single layers nominally equivalent to the constituent layers of the heterostructures. The degree of order of the two layers was controlled via the V/III ratio used during organometallic vapor phase epitaxial growth. From our measurements, the difference between the band gaps of the two layers is 20-30 meV. The PLE spectra show clearly that the emission comes from both layers of the heterostructures and that the PL is excited by direct absorption of the exciting light into each layer as well as the injection of carriers from the less ordered (higher band gap) layer into the more ordered (lower band gap) layer. The data clearly show that the heterostructures contain two layers, each very similar to the corresponding single layer sample.

Original languageEnglish
Pages (from-to)5107-5113
Number of pages7
JournalJournal of Applied Physics
Volume82
Issue number10
Publication statusPublished - 1997 Nov 15
Externally publishedYes

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photoluminescence
sublattices
excitation
injection
vapor phases
cations
configurations
spectroscopy

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physics and Astronomy (miscellaneous)

Cite this

Inglefield, C. E., DeLong, M. C., Taylor, P. C., Chun, Y. S., Ho, I. H., Stringfellow, G. B., ... Seong, T. Y. (1997). Characterization of unicompositional GaInP2 ordering heterostructures grown by variation of V/III ratio. Journal of Applied Physics, 82(10), 5107-5113.

Characterization of unicompositional GaInP2 ordering heterostructures grown by variation of V/III ratio. / Inglefield, C. E.; DeLong, M. C.; Taylor, P. C.; Chun, Y. S.; Ho, I. H.; Stringfellow, G. B.; Kim, J. H.; Seong, Tae Yeon.

In: Journal of Applied Physics, Vol. 82, No. 10, 15.11.1997, p. 5107-5113.

Research output: Contribution to journalArticle

Inglefield, CE, DeLong, MC, Taylor, PC, Chun, YS, Ho, IH, Stringfellow, GB, Kim, JH & Seong, TY 1997, 'Characterization of unicompositional GaInP2 ordering heterostructures grown by variation of V/III ratio', Journal of Applied Physics, vol. 82, no. 10, pp. 5107-5113.
Inglefield CE, DeLong MC, Taylor PC, Chun YS, Ho IH, Stringfellow GB et al. Characterization of unicompositional GaInP2 ordering heterostructures grown by variation of V/III ratio. Journal of Applied Physics. 1997 Nov 15;82(10):5107-5113.
Inglefield, C. E. ; DeLong, M. C. ; Taylor, P. C. ; Chun, Y. S. ; Ho, I. H. ; Stringfellow, G. B. ; Kim, J. H. ; Seong, Tae Yeon. / Characterization of unicompositional GaInP2 ordering heterostructures grown by variation of V/III ratio. In: Journal of Applied Physics. 1997 ; Vol. 82, No. 10. pp. 5107-5113.
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