The polarization-induced electron gas in a heterostructure
- 1 March 2000
- journal article
- Published by IOP Publishing in Semiconductor Science and Technology
- Vol. 15 (3), 270-271
- https://doi.org/10.1088/0268-1242/15/3/308
Abstract
Models for the magnitude of the electron density induced by spontaneous and piezoelectric polarization in a polar heterostructure are given. In the case of pure material the induced electrons derive from `ambient' doping associated with surface states and surface ions. Where the donor density is large enough depletion will contribute to the electron gas.Keywords
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