| http://www.w3.org/ns/prov#value | - A quantum well herein is a thin semiconductor layer of first composition and thickness t, sandwiched between semiconductor material of a second composition, with the compositions selected such that the relevant bandgap energy Eg1 of the first composition is less than the bandgap energy Eg2 of the second composition, and t furthermore is selected such that free carriers in the quantum well exhibi
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