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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Photoreflectance study in the E-1 and E-1+Delta(1) transition regions of ZnTe
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Photoreflectance study in the E-1 and E-1+Delta(1) transition regions of ZnTe

机译:ZnTe E-1和E-1 + Delta(1)过渡区的光反射研究

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Photoreflectance spectra have been measured to determine the E-1 and E-1 + Delta(1) energies in ZnTe at temperatures T between 77 and 300 K using an Ar+-ion laser as a modulation light source. The measured photoreflectance spect a can be successfully explained by an excitonic line shape. The temperature dependence of the E-1 and E-1 + Delta(1) critical-point parameters (energy, amplitude and broadening parameter) have been analysed using the Varshni equation and an empirical expression of the Bose-Einstein type. [References: 40]
机译:使用Ar +离子激光器作为调制光源,已经测量了光反射光谱以确定在温度T介于77和300 K之间时ZnTe中的E-1和E-1 + Delta(1)能量。可以通过激子线形状来成功地解释所测量的光反射点a。 E-1和E-1 + Delta(1)临界点参数(能量,振幅和展宽参数)的温度依赖性已使用Varshni方程和Bose-Einstein类型的经验表达式进行了分析。 [参考:40]

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