| タイトル | Composition Dependence of the Hydrostatic Pressure Coefficients of the Bandgap of ZnSe(1-x)Te(x) Alloys |
| 著者（英） | Shan, W.; Walukiewicz, W.; Ager, J. W., III; Wu, J.; Miotkowski, I.; Yu, K. M.; Haller, E. E.; Ramdas, A. K.; Su, Ching-Hua |
| 著者所属（英） | NASA Marshall Space Flight Center |
| 発行日 | 2003-01-01 |
| 言語 | eng |
| 内容記述 | Optical absorption experiments have been performed using diamond anvil cells to measure the hydrostatic pressure dependence of the fundamental bandgap of ZnSe(sub 1-xTe(sub x) alloys over the entire composition range. The first and second-order pressure coefficients are obtained as a function of composition. Starting from the ZnSe side, the magnitude of both coefficients increases slowly until x approx. 0.7, where the ambient-pressure bandgap reaches a minimum. For larger values of x the coefficients rapidly approach the values of ZnTe. The large deviations of the pressure coefficients from the linear interpolation between ZnSe and ZnTe are explained in terms of the band anticrossing model. |
| NASA分類 | Metals and Metallic Materials |
| 権利 | Copyright |
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