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李树玮
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-1年11月30日
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【期刊论文】Growth of Ga_xIn_(1-x)As_(1-y)Sb_y alloys by metalorganic chemical vapor deposition
李树玮
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-1年11月30日
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李树玮, Shuwei Li a, *, Kazuto Koike b
Journal of Crystal Growth 263(2004)53-57,-0001,():
-1年11月30日
Photoluminescence (PL) of quantum dots embedded in high potential barriers is studied as functions of barrier thickness and temperature. With the increase of barrier thickness, both the strengthened two-dimensional electron gas (2DEG) structure and strongly localized electron wave functions can increase the carrier recombination. The optical properties of two different-barrier-thickness samples exhibit different characteristics with the decreased measurement temperatures. The PL recombination characteristic of the samples with the barriers adjacent to a Si-doping GaAs layer is different fromthat of samples with the barrier adjacent to an i-GaAs layer.
A1., Carrier recombination, A1., Optical property, A1., Photoluminescence, A3., Molecular beam epitaxy, A3., Self-assembled quantumdots
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