All Stories

  1. Room Temperature Operation of UV Photocatalytic Functionalized AlGaN/GaN Heterostructure Hydrogen Sensor

    Article • Nanomaterials, May 2021, MDPI AG

    June-Heang Choi

  2. Photoresponsivity Enhancement of AlGaN/GaN Heterojunction Phototransistor with ZnO Nanodot Coating Layer

    Article • JSTS Journal of Semiconductor Technology and Science, February 2021, The Institute of Electronics Engineers of Korea

    June-Heang Choi

  3. Recessed AlGaN/GaN Heterojunction-Based Hydrogen Sensor Operated by Reverse Bias Mode

    Article • IEEE Sensors Journal, January 2021, Institute of Electrical & Electronics Engineers (IEEE)

    June-Heang Choi

  4. AlGaN/GaN heterojunction hydrogen sensor using ZnO-nanoparticles/Pd dual catalyst layer

    Article • Sensors and Actuators B Chemical, December 2020, Elsevier

    June-Heang Choi

  5. Improved Stability of AlGaN/GaN Heterojunction Schottky-diode-type Hydrogen Sensor Using Constant Current Source Operation

    Article • JSTS Journal of Semiconductor Technology and Science, October 2020, The Institute of Electronics Engineers of Korea

    June-Heang Choi

  6. High-Sensitivity Hydrogen Sensor Based on AlGaN/GaN Heterojunction Field-Effect Transistor

    Article • Journal of Nanoscience and Nanotechnology, July 2020, American Scientific Publishers

    June-Heang Choi

  7. Filter-free AlGaN Photodiode with High Quantum Efficiency for Partial Discharge Detection

    Article • JSTS Journal of Semiconductor Technology and Science, April 2020, The Institute of Electronics Engineers of Korea

    June-Heang Choi

  8. Investigation of Stability and Power Consumption of an AlGaN/GaN Heterostructure Hydrogen Gas Sensor Using Different Bias Conditions

    Article • Sensors, December 2019, MDPI AG

    June-Heang Choi

  9. Design consideration of high voltage Ga2O3 vertical Schottky barrier diode with field plate

    Article • Results in Physics, June 2018, Elsevier

    June-Heang Choi

  10. Renewable energy source hydrogen gas sensor

    Article • Electronics Letters, July 2017, the Institution of Engineering and Technology (the IET)

    Professor Jung-Sik Kim, June-Heang Choi, HYUNGTAK KIM