Optical characterization of defects in narrow-gap HgCdTe for infrared detector applications*

Project supported by the Major Program of the National Natural Science Foundation of China (Grant Nos. 61790583, 61874043, 61874045, and 61775060) and the National Key Research and Development Program, China (Grant No. 2016YFB0501604).

Yue Fang-Yu1, †, Ma Su-Yu1, Hong Jin1, Yang Ping-Xiong1, Jing Cheng-Bin1, Chen Ye1, Chu Jun-Hao1, 2
       

(a) PL spectra of LPE samples at ∼ 8 K, (b) curve fit and the second derivative procedures applied to the PL spectrum of sample L5, and (c) PL spectra and curve fit results of sample L6 at different temperatures.