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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Effects of substrate and N content on the growth of the mid-infrared dilute nitride InAsN alloy
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Effects of substrate and N content on the growth of the mid-infrared dilute nitride InAsN alloy

机译:基质和氮含量对中红外稀氮化InAsN合金生长的影响

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摘要

We investigate the epitaxial growth of the dilute nitride InAsN alloy onto InAs and GaAs substrates with nitrogen content up to 1%. We report photoluminescence (PL) emission within the 2-4μm spectral region and show that InAsN grown onto GaAs exhibits no degradation of the PL intensity and linewidth compared with epitaxial layers grown on near lattice-matched InAs substrates. Also, nitrogen can induce a significant reduction in the thermal quenching of the PL emission, which we attribute to the reduction in non-radiative Auger-recombination.
机译:我们研究了氮含量高达1%的InAs和GaAs稀氮化物InAsN合金的外延生长。我们报告了在2-4μm光谱区域内的光致发光(PL)发射,并表明与在接近晶格匹配的InAs衬底上生长的外延层相比,生长在GaAs上的InAsN并未表现出PL强度和线宽的降低。同样,氮可以导致PL发射的热猝灭显着减少,这归因于非辐射俄歇复合体的减少。

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