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Light People: Academician Junhao Chu.

Hui Wang1, Rongjun Zhang2, Cun Yu3

  • 1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 3888 Dong Nan Hu Road, 130033, Changchun, China. wangh@ciomp.ac.cn.

Light, Science & Applications
|May 5, 2023
PubMed
Summary

Academician Junhao Chu pioneered research in mercury cadmium telluride semiconductors. His work on band structure and optical transitions is crucial for advancing sensor technology in the fourth industrial revolution.

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Light People: Professor Manijeh Razeghi.

Light, science & applications·2024

Area of Science:

  • Semiconductor Physics
  • Materials Science
  • Infrared Technology

Background:

  • The fourth industrial revolution integrates technologies like the Internet and virtual reality.
  • Sensor technology is a critical enabler for this revolution.
  • Mercury cadmium telluride (HgCdTe) is a key semiconductor material.

Purpose of the Study:

  • To highlight the contributions of Academician Junhao Chu.
  • To detail his foundational work on mercury cadmium telluride (HgCdTe).
  • To underscore the importance of his research in semiconductor physics.

Main Methods:

  • Discovery of intrinsic absorption spectra in HgCdTe bands.
  • Development of theories for HgCdTe band structure and optical transitions.
  • Formulation of expressions for HgCdTe band gap width.

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Main Results:

  • Established fundamental understanding of HgCdTe optical and band properties.
  • Provided theoretical frameworks crucial for semiconductor device development.
  • Made significant contributions to infrared and semiconductor physics.

Conclusions:

  • Academician Chu's research on HgCdTe is foundational for advanced sensor technologies.
  • His work exemplifies the application of physics principles to technological advancement.
  • His contributions are vital for the ongoing fourth industrial revolution.