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Luminescence of Mbe SimGen Strained Monolayer Superlattices
Published online by Cambridge University Press: 28 February 2011
Abstract
SimGen strained monolayer superlattices (SMS) have been fabricated by molecular beam epitaxy (MBE) and characterized using photoluminescence (PL). Symmetrically strained structures with different periodicities have been grown on top of a Si1−xGex alloy buffer layer. Luminescence features below (above) the Si (Ge) energy bandgap have been observed and attributed to either dislocations in the buffer layer or to energy band transitions in the SMS.
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- Copyright © Materials Research Society 1990
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