• Journal of Infrared and Millimeter Waves
  • Vol. 42, Issue 3, 285 (2023)
Guo-Qing XU*, Reng WANG, Xin-Tian CHEN, Kai-Hui CHU..., Yi-Dan TANG, Jia JIA, Ni-Li WANG, Xiao-Yang YANG, Yan ZHANG and Xiang-Yang LI|Show fewer author(s)
Author Affiliations
  • Shanghai Institute of Technical Physics, Chinese Academy of Scienses, Shanghai 200083, China
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    DOI: 10.11972/j.issn.1001-9014.2023.03.001 Cite this Article
    Guo-Qing XU, Reng WANG, Xin-Tian CHEN, Kai-Hui CHU, Yi-Dan TANG, Jia JIA, Ni-Li WANG, Xiao-Yang YANG, Yan ZHANG, Xiang-Yang LI. Photoelectric characteristics of compositionally graded HgCdTe detector[J]. Journal of Infrared and Millimeter Waves, 2023, 42(3): 285 Copy Citation Text show less
    HgCdTe epitaxial material (a) transmission spectrum and theoretical fitting line, (b) longitudinal composition profile of Cd concentration
    Fig. 1. HgCdTe epitaxial material (a) transmission spectrum and theoretical fitting line, (b) longitudinal composition profile of Cd concentration
    Distribution of built-in electric field
    Fig. 2. Distribution of built-in electric field
    Sample A and sample B (a) longitudinal composition profile of Cd, (b) distribution of built-in electric field
    Fig. 3. Sample A and sample B (a) longitudinal composition profile of Cd, (b) distribution of built-in electric field
    The schematic diagram of preparation position in epitaxial material
    Fig. 4. The schematic diagram of preparation position in epitaxial material
    The treatment process of sample (a)HgCdTe epitaxial layer,(b)passivating surface,(c)pasting onto sapphire,(d)removing substrate
    Fig. 5. The treatment process of sample (a)HgCdTe epitaxial layer,(b)passivating surface,(c)pasting onto sapphire,(d)removing substrate
    Normalized response spectra at 115 K, 215 K and 300 K (a) sample A, (b) sample B
    Fig. 6. Normalized response spectra at 115 K, 215 K and 300 K (a) sample A, (b) sample B
    Cut-off wavelength with temperature (x=0.32)
    Fig. 7. Cut-off wavelength with temperature (x=0.32)
    Built-in electric field generated by composition gradient at different temperatures
    Fig. 8. Built-in electric field generated by composition gradient at different temperatures
    Responsivity versus temperature in sample
    Fig. 9. Responsivity versus temperature in sample
    Guo-Qing XU, Reng WANG, Xin-Tian CHEN, Kai-Hui CHU, Yi-Dan TANG, Jia JIA, Ni-Li WANG, Xiao-Yang YANG, Yan ZHANG, Xiang-Yang LI. Photoelectric characteristics of compositionally graded HgCdTe detector[J]. Journal of Infrared and Millimeter Waves, 2023, 42(3): 285
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