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Pressure Effect on Parallel Transport in Low-Dimensional CdTe/CdMgTe Heterostructures

โœ Scribed by D. Wasik; M. Baj; L. Dmowski; J. Siwiec-Matuszyk; E. Janik; T. Wojtowicz; G. Karczewski

Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
109 KB
Volume
223
Category
Article
ISSN
0370-1972

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โœฆ Synopsis

We have shown that in CdTe/Cd 1--x Mg x Te heterostructures revealing parallel transport, hydrostatic pressure induces a decrease in both 2D conduction in the quantum well and in low mobility parallel channel. This behaviour, contrary to III-V heterostructures, is due to persistent decrease of the mobility. For samples having thick buffer layer the contribution of the parallel conduction is practically eliminated at high pressure with 2D conduction remaining dominant, while for samples with thin buffer layer the situation with pure 2D conduction is not achieved.

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