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Observation of Phase Transitions in an Electron–Hole System Associated with Dislocation Cores in Cadmium Telluride
Bulletin of the Lebedev Physics Institute ( IF 0.6 ) Pub Date : 2020-06-11 , DOI: 10.3103/s106833562004003x V. S. Krivobok , S. N. Nikolaev , V. S. Bagaev , E. E. Onishchenko , S. I. Chentsov , M. A. Chernopitssky , A. I. Sharkov
中文翻译:
碲化镉中位错核与电子-空穴系统相变的观察
更新日期:2020-06-11
Bulletin of the Lebedev Physics Institute ( IF 0.6 ) Pub Date : 2020-06-11 , DOI: 10.3103/s106833562004003x V. S. Krivobok , S. N. Nikolaev , V. S. Bagaev , E. E. Onishchenko , S. I. Chentsov , M. A. Chernopitssky , A. I. Sharkov
Abstract—
Evolution of the fine structure of dislocation microphotoluminescence lines in cadmium telluride with a decrease in the optical-excitation power density has been demonstrated at low (5 K) temperatures. The character of this evolution for each of the three bands under investigation (Y1 (~1.47 eV), Y2 (~1.49 eV), and Y3 (~1.51 eV)) indicates the existence of a transition from electron–hole plasma to exciton states. It is established that the fine structure of band Y3 at the excitation densities of 0.1–0.01 W/cm2 exhibits signs of formation of metastable states with participation of a dislocation core.中文翻译:
碲化镉中位错核与电子-空穴系统相变的观察