TITLE

Photoluminescence measurements of band discontinuity in InP-InGaPAs heterostructures

AUTHOR(S)
Brunemeier, P. E.; Deppe, D. G.; Holonyak, N.
PUB. DATE
April 1985
SOURCE
Applied Physics Letters;4/15/1985, Vol. 46 Issue 8, p755
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Photoluminescence data on liquid phase epitaxial single-well quantum well heterostructures are presented that permit the determination of the valence-band discontinuity ΔEv in InP-In1-xGaxP1-yAsy heterostructures at several quaternary compositions matched to InP [x≊0.453y(1+0.031y)]. The ΔEv determination, which depends on a hot-electron to bound-hole recombination transition, indicates that ΔEv ≊0.35ΔEg and ΔEc ≊0.65ΔEg for all InGaAsP compositions lattice matched to InP.
ACCESSION #
9817417

 

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