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Structure and optical properties of thermally evaporated Te doped ZnSe thin films

机译:热蒸发TE掺杂ZnSe薄膜的结构和光学性质

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The cooled pressing method is used for preparing (ZnSe)_(1-x)Te_x chalcogenide glasses. The thermal evaporation technique is utilized for depositing the thin films. Topological calculations reveal the obvious effect of doping Te content on the average coordination number Z, parameter determines the deviation from stoichiometry r, glass transition temperature T_g, number of lone-pair electrons L and heat of atomization H_s. Swanepoel's approach is used to estimate the refractive index and the average thickness of the films with high accuracy. The addition of tellurium as an impurity found to has a great influence on the optical parameters such as refractive index, energy band gap E_g, Urbach energy E_u, refractive index n, single oscillator energy E_o, dispersion energy E_d, free-electron concentration N, and plasma frequency, ω_p.
机译:冷却的压制方法用于制备(ZnSe)_(1-X)TE_X硫属化物玻璃。热蒸发技术用于沉积薄膜。拓扑计算揭示了掺杂TE含量在平均配位Z上的明显效果,参数确定与化学计量r,玻璃化转变温度T_g,孤复电器的数量的偏差和雾化H_s的热量。 Swanepoel的方法用于以高精度估计薄膜的折射率和平均厚度。作为发现杂质的碲的添加对光学参数具有很大影响,例如折射率,能量带隙E_G,URBACH能量E_U,折射率N,单振荡器能量E_O,色散能量E_D,自由电子浓度N,等等离子体频率,ω_p。

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