1. Wavelength-tailored and dislocation-free InGaN nanoplatelets as pseudo-substrates fabricated by selective etching and regrowth

    Han, QY; Cai, WT; Wang, J; Itoh, Y; Furusawa, Y; Wang, HT; Cheong, HJ; Pristovsek, M; Honda, Y; Amano, H

    JAPANESE JOURNAL OF APPLIED PHYSICS   65 巻 ( 2 )   2026年1月

  2. Red-emitting <i>μ</i>LEDs based on graded-indium InGaN nanoplatelets

    Han, QY; Cai, WT; Wang, J; Furusawa, Y; Wang, HT; Li, XG; Cheong, H; Honda, Y; Amano, H

    JAPANESE JOURNAL OF APPLIED PHYSICS   65 巻 ( 2 )   2026年1月

  3. All-GaN-Based Monolithic MIS-HEMT Integrated Micro-LED Pixels for Active-Matrix Displays Open Access

    Furusawa, Y; Cai, WT; Cheong, HJ; Honda, Y; Amano, H

    PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE   222 巻 ( 23 )   2025年12月

  4. SiN interlayer to improve external quantum efficiency and reduce sidewall recombination for blue (micro) light-emitting diodes

    Pristovsek, M; Park, JH; Kwon, W; Cheong, HJ; Amano, H

    APPLIED PHYSICS LETTERS   127 巻 ( 7 )   2025年8月

  5. Dislocation Suppresses Sidewall-Surface Recombination of Micro-LEDs

    Park, JH; Pristovsek, M; Cai, WT; Cheong, HJ; Kang, CM; Lee, DS; Seong, TY; Amano, H

    LASER & PHOTONICS REVIEWS   17 巻 ( 10 )   2023年10月

  6. Dislocation Suppresses Sidewall-Surface Recombination of Micro-LEDs 査読有り

    Jeong-Hwan Park, Markus Pristovsek, Wentao Cai, Heajeong Cheong, Chang-Mo Kang, Dong-Seon Lee, Tae-Yeon Seong, Hiroshi Amano

    laser and photonics reviews     頁: 2300199 (1 of 8) - 2300199 (8 of 8)   2023年6月

  7. Impact of Sidewall Conditions on Internal Quantum Efficiency and Light Extraction Efficiency of Micro-LEDs Open Access

    Park, JH; Pristovsek, M; Cai, WT; Cheong, HJ; Tanaka, A; Furusawa, Y; Han, DP; Seong, TY; Amano, H

    ADVANCED OPTICAL MATERIALS   11 巻 ( 10 )   2023年5月

  8. Impact of Sidewall Conditions on Internal Quantum Efficiency and Light Extraction Efficiency of Micro-LEDs 査読有り Open Access

    Jeong-Hwan Park, Markus Pristovsek, Wentao Cai, Heajeong Cheong, Atsushi Tanaka, Yuta Furusawa, Dong-Pyo Han, Tae-Yeon Seong, Hiroshi Amano

    Advanced Optical Materials     頁: 2203128-1 - 2203128-9   2023年3月

  9. Red emission from InGaN active layer grown on nanoscale InGaN pseudosubstrates 査読有り

    Cai, WT; Wang, J; Park, JH; Furusawa, Y; Cheong, HJ; Nitta, S; Honda, Y; Pristovsek, M; Amano, H

    JAPANESE JOURNAL OF APPLIED PHYSICS   62 巻 ( 2 )   2023年2月

  10. High In content nitride sub-micrometer platelet arrays for long wavelength optical applications

    Cai, WT; Furusawa, Y; Wang, J; Park, JH; Liao, YQ; Cheong, HJ; Nitta, S; Honda, Y; Pristovsek, M; Amano, H

    APPLIED PHYSICS LETTERS   121 巻 ( 21 )   2022年11月

  11. Interplay of sidewall damage and light extraction efficiency of micro-LEDs

    Park, JH; Pristovsek, M; Cai, WT; Cheong, H; Kumabe, T; Lee, DS; Seong, TY; Amano, H

    OPTICS LETTERS   47 巻 ( 9 ) 頁: 2250 - 2253   2022年5月

  12. The effect of dry etching condition on the performance of blue micro light-emitting diodes with reduced quantum confined Stark effect epitaxial layer 査読有り

    Jeong-Hwan Park, Wentao Cai,Heajeong Cheong,Yasuhisa Ushida, Da-Hoon Lee, Yuto Ando, Yuta Furusawa, Yoshio Honda, Dong-Seon Lee,Tae-Yeon Seong, and Hiroshi Amano

    Journal of Applied Physics     頁: 153104   2022年4月

  13. The effect of dry etching condition on the performance of blue micro light-emitting diodes with reduced quantum confined Stark effect epitaxial layer

    Park, JH; Cai, W; Cheong, H; Ushida, Y; Lee, DH; Ando, Y; Furusawa, Y; Honda, Y; Lee, DS; Seong, TY; Amano, H

    JOURNAL OF APPLIED PHYSICS   131 巻 ( 15 )   2022年4月

  14. Effect of substrate misorientation on the concentration of impurities and surface morphology of an epitaxial GaN layer on N-polar GaN substrate by MOVPE 査読有り Open Access

    Nagamatsu, K; Ando, Y; Kono, T; Cheong, H; Nitta, S; Honda, Y; Pristovsek, M; Amano, H

    JOURNAL OF CRYSTAL GROWTH   512 巻   頁: 78 - 83   2019年4月

  15. Suitability of Copper Nitride as a Wiring Ink Sintered by Low-Energy Intense Pulsed Light Irradiation 査読有り Open Access

    Nakamura, T; Cheong, HJ; Takamura, M; Yoshida, M; Uemura, S

    NANOMATERIALS   8 巻 ( 8 )   2018年8月

  16. <i>m</i>-Plane GaN Schottky Barrier Diodes Fabricated With MOVPE Layer on Several Off-Angle <i>m</i>-Plane GaN Substrates Open Access

    Tanaka, A; Ando, Y; Nagamatsu, K; Deki, M; Cheong, H; Ousmane, B; Kushimoto, M; Nitta, S; Honda, Y; Amano, H

    PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE   215 巻 ( 9 )   2018年5月

  17. Flexible InGaZnO TFT devices obtained via humid-UV irradiation with an aqueous-fluoroalcoholic precursor 査読有り

    Shintaro Ogura, Heajeong Cheong, Sei Uemura, Hirobumi Ushijima and Nobuko Fukuda.

    Flexible and Printed Electronics     2016年11月

  18. Solution-processed hybrid organic-inorganic complementary thin-film transistor inverter 査読有り

    Heajeong Cheong, Kazunori Kuribara, Shintaro Ogura, Nobuko Fukuda, Manabu Yoshida, Hirobumi Ushijima and Sei Uemura,

    Jpn. J. Appl. Phys     2016年4月

  19. Rapid preparation of solution-processed InGaZnO thin film by microwave irradiation and photoirradiation 査読有り Open Access

    Heajeong Cheong, Shintaro Ogura, Hirobumi Ushijima, Manabu Yoshida, Nobuko Fukuda, and Sei Uemura,

    AIP advanced     2015年3月

  20. Investigation of Low Temperature Process of Solution Processed Oxide Semiconductor as a Thin Film Transistor 査読有り Open Access

    Hea Jeong Cheong, Shintaro Ogura, Manabu Yoshida, Hirobumi Ushijima, Nobuko Fukuda, Sei Uemura

    J. Photopolym. Sci. Techol     2015年

  21. Effect of Microwave Annealing on Oxide-Semiconductor-Precursor Ink 査読有り Open Access

    Hea Jeong Cheong, Nobuko Fukuda, Shintaro Ogura, Heisuke Sakai, Yoshida Manabu, Takehito Kodzasa, Hideo Tokuhisa, Kazuhiko Tokoro, Kazuhiko Takeuchi, Ritsuko Nagahata, Takashi Nakamura, and Sei Uemura

    J. Photopolym. Sci. Technol.     2014年

  22. Characterization of an Oxide Semiconductor Prepared by Microwave Sintering 査読有り

    Hea Jeong Cheong, Nobuko Fukuda, Heisuke Sakai, Shintaro Ogura, Kazuhiko Takeuchi, Ritsuko Nagahata, Sei Uemura

    Jpn. J. Appl. Phys     2014年

  23. Visible Electroluminescence from Spherical-shaped Silicon Nanocrystals 査読有り

    Hea Jeong Cheong, Atsushi Tanaka, Daihei Hippo, Koichi Usami, Yoshishige Tsuchiya, Hiroshi Mizuta, and Shunri Oda

    Jpn. J. Appl. Phys.     2008年

  24. Growth of highly Luminescence Silicon Nanocrystals by Rapid Thermal Chemical Vapor Deposition 査読有り

    Yong Kim, Hea Jeong Cheong, Jung Hyun Kang, Jae Kwon Kim, Tae Hun Chung, Hong Jun Bark, Jae-Yel Yi

    Key. Eng. Mat     2005年

  25. Formation of luminescent Si nanocrystals by high-temperature rapid thermal chemical vapor deposition 査読有り

    Hea Jeong Cheong, Jung Hyun Kang, Jae Kwon Kim, Yong Kim, Tae Hun Chung, Hong Jun Bark, Jae-Yel Yi

    Appl. Phys. Lett.     2003年

  26. Rapid Thermal Annealing Effect on Charge Storage Characteristics in MOS Capacitor with Ge Nanocrystals 査読有り

    Jae Kwon Kim, Hea Jeong Cheong, Kyung Hwa Park, Yong Kim, Jae-Yel Yi and Hong Jun Bark, Yong Lee

    J. Kor. Phys. Soc.     2003年

  27. Rapid-thermal-annealing effect on lateral charge loss in metal-oxide-semiconductor capacitors with Ge nanocrystals 査読有り

    Jae Kwon Kim, Hea Jeong Cheong, Yong Kim, Jae-Yel Yi, Hong Jun Bark, S. H. Bang and J. H. Cho

    Appl. Phys. Lett.     2003年

  28. Charge retention characteristics in a metal-insulator-semiconductor capacitor containing Ge nanocrystal 査読有り

    Yong Kim, Hea Jeong Cheong, Kyung Hwa Park, Tae Hun Chung, Hong Jun Bark, Jae-Yel Yi, Suk, Hyun Bang, and Jin Hyung Cho

    Semicond. Sci. Technol.     2002年