direct band gap semiconductor 直接带隙半导体
In recent years, with the extensive application of short wavelength devices, the research of direct wide band gap semiconductor materials attracted more and more attention.
近年来，随着短波长光电器件的逐渐广泛应用，直接宽禁带半导体材料的研究越来越受到人们的重视。
Meanwhile the composite exhibits the optical features of a semiconductor with direct band gap.
这种复合结构体系具有直接带隙半导体的光学特性。
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