Optical investigation of interwell coupling in strained Si[sub 1-x]Ge[sub x]/Si quantum wells

Fukatsu, S.; Shiraki, Y.
October 1993
Applied Physics Letters;10/25/1993, Vol. 63 Issue 17, p2378
Academic Journal
Examines symmetric and asymmetric strained silicon-germanium/silicon coupled double quantum well systems (CDQWS). Systematic red shift of luminescence energy in symmetric CDQWS; Mechanism for attaining total and valence-band discontinuities; Variation of the inserted silicon barrier width in asymmetric CDQWS.


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