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Investigation of optical properties of SiC/(SiC)_(1-x)(AlN)_x heterostructures

机译:SiC /(SiC)_(1-x)(AlN)_x异质结构的光学性质研究

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In this study the optical properties of SiC/(SiC)_(1-x)(AlN)_x heterostructures were investigated. The photoluminescence spectrum of (SiC)_(1-x)(AlN)_x samples at different temperatures and also the dependence of photoluminescence on wavelength of exciting light were studied. Absorption factor is defined using measured values of transmitting efficiency. The results of study of morphology and composition of obtained samples confirm growth regularity in single-crystal phase. It was observed that n-SiC/p-(SiC)_(1-x)(AlN)_x begins to shine at reverse voltage that a little exceed the voltage of irreversible breakdown.
机译:在这项研究中,研究了SiC /(SiC)_(1-x)(AlN)_x异质结构的光学性质。研究了(SiC)_(1-x)(AlN)_x样品在不同温度下的光致发光光谱,以及光致发光对激发光波长的依赖性。使用传输效率的测量值定义吸收系数。所获得样品的形态和组成的研究结果证实了单晶相中的生长规律。观察到,n-SiC / p-(SiC)_(1-x)(AlN)_x在略大于不可逆击穿电压的反向电压下开始发光。

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