Measurement of Characteristic Positron Annihilation Lifetime in HgCdTe

He Yuanjin; Xin Mingrui; Zhang Tianbao

Chinese Physics C> 1994, Vol. 18> Issue(8) : 752-756

Measurement of Characteristic Positron Annihilation Lifetime in HgCdTe

Department of Physics,Tsinghua University, Benjing 1000842 Lishan Microelectronics Inc.,Xian 7106003 Application Division,Institute of High Energy Physics,Academia Sinica,Beijing 100084

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Abstract：
A new measurement method of characteristic lifetime of positron annihilation in mercury cadmium telluride(MCT)in thermoequilibrium was proposed.A result of τ_b,the annihilation lifetime of positrons in bulk state in HgCdTe,being 277±1ps,and τ_d,the lifetime of positrons trapped in mercury vacancies,being 306±2pswas obtained.The result was discussed and compared with that from other methods.

References

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He Yuanjin, Xin Mingrui and Zhang Tianbao. Measurement of Characteristic Positron Annihilation Lifetime in HgCdTe[J]. Chinese Physics C, 1994, 18(8): 752-756.

He Yuanjin, Xin Mingrui and Zhang Tianbao. Measurement of Characteristic Positron Annihilation Lifetime in HgCdTe[J]. Chinese Physics C, 1994, 18(8): 752-756. shu

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Received: 1900-01-01
Revised: 1900-01-01

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