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Quantum heterostructure is a heterostructure in a substrate (usually a semiconductor material), with size restricting the movements of the charge carriers and forcing them into a quantum confinement, leading to formation of a set of discrete energy levels at which the carriers can exist. Quantum heterostructures have sharper density of states than structures of more conventional sizes.
Additional recommended knowledge
Quantum heterostructures are important for fabrication of short-wavelength light-emitting diodes and diode lasers, and for other optoelectronic applications, eg. high-efficiency photovoltaic cells.
Examples of quantum heterostructures are:
Categories: Quantum electronics | Nanomaterials | Semiconductors
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Quantum_heterostructure". A list of authors is available in Wikipedia.|