TITLE

Direct observation of effective mass filtering in InGaAs/InP superlattices

AUTHOR(S)
Lang, D. V.; Sergent, A. M.; Panish, M. B.; Temkin, H.
PUB. DATE
September 1986
SOURCE
Applied Physics Letters;9/29/1986, Vol. 49 Issue 13, p812
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
By making transport measurements on InGaAs/InP superlattices we have been able to demonstrate a regime of rapid electron tunneling perpendicular to the layers in the presence of quantum hole localization, i.e., effective mass filtering. The experiments were conducted on multiple quantum well and single quantum well samples in the form of p+-n junctions and involved low-temperature photoinduced capacitance and ac conductivity measurements, which easily resolved the 205 Å superlattice period, and deep level transient spectroscopy observations of hole trapping in 60–80 Å quantum wells.
ACCESSION #
9820930

 

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