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Ga2O3, ZnGa2O4, DUV PD, microLED, wafer Bonding
Taiwan

Biography

Ray-Hua Horng received the B.S., and Ph.D. degrees from National Cheng Kung University and National Sun Yat-Sen University, Taiwan, in 1987 and 1993, respectively, all in electrical engineering. She has worked in the field of III–V compound materials by MOCVD as an Associate Researcher with Telecommunication Laboratories, Chunghwa Telecom Co. Ltd., Taoyuan, Taiwan. She is currently Chair Professor with the Institute of Electronics, National Yang Ming Chiao Tung University. She has authored or coauthored over 300 technical papers and holds over 100 patents in her fields of expertise. Her main interests are microLED, wide banfgap oxide materials, solid-state lighting devices, III–V solar cells, optoelectronic devices, high power devices, nano-surface treatment by natural lithography, power device and gas sensors. In 2000, she vitalized her research on high-brightness LEDs with mirror substrate into practical mass products that enable high-power LEDs.
Dr. Horng received numerous awards recognizing her work on high-brightness LEDs. She has been awarded by the Ministry of Education of Taiwan for Industry/ University Corporation Project in 2002, by the Ministry of Science & Technology of Taiwan for the excellent technology transfer of high-power LEDs in 2006, 2008,2009, 2010 and 2011 by Chi Mei Optoelectronics for the first prize of Chi Mei Award in 2008, by the 2007 IEEE Region 10 Academia-Industry Partnership Award and distinguish research award of ministry of Science and Technology of Taiwan in 2013 and 2021. She became the Fellow of the Australian Institute of Energy since 2012, Fellow of the Institution of Engineering and Technology since 2013, Fellow of SPIE since 2014, Fellow of IEEE since 2015, Fellow of OSA since 2016, Fellow of IOP since 2020.

Activities

Employment (1)

National Yang Ming Chiao Tung University: HSINCHU, EAST REGION, TW

2016-02-01 to present | Professor (Institute of Electronics)
Employment
Source: Self-asserted source
Ray-Hua Horng

Education and qualifications (2)

National Sun Yat-sen University: Kaohsiung, TW

1987-09 to 1994-05 | PhD (Electrical Engineering)
Education
Source: Self-asserted source
Ray-Hua Horng

National Cheng Kung University: Tainan, TW

1983-09-01 to 1987-06 | Bachelor (Electrical Engineering)
Education
Source: Self-asserted source
Ray-Hua Horng

Professional activities (4)

SPIE: New York, TW

Fellow
Membership
Source: Self-asserted source
Ray-Hua Horng

Optica: D.C., D.C., TW

Fellow
Membership
Source: Self-asserted source
Ray-Hua Horng

IET: Lyon, TW

Fellow
Membership
Source: Self-asserted source
Ray-Hua Horng

IEEE: New York, NY, TW

Fellow (Photonic Society)
Membership
Source: Self-asserted source
Ray-Hua Horng

Works (50 of 88)

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Study on the performance of InGaN-based micro-LED by plasma etching combined with ion implantation process

Next Nanotechnology
2025 | Journal article
Contributors: Yun-Cheng Hsu; Yu-Hsuan Hsu; Chien-Chung Lin; Ming Hsien Wu; Hao Chung Kuo; Dong-Sing Wuu; Ching-Lien Hsiao; Ray-Hua Horng
Source: check_circle
Crossref

Performance enhancement of MOCVD grown Zn-doped β-Ga2O3 Deep-Ultraviolet photodetectors on silicon substrates via TiN buffer layers

Applied Surface Science
2025-02 | Journal article
Contributors: Anoop Kumar Singh; Jun-Hong Shen; Shiming Huang; Chao-Chun Yen; Hsin-Yu Chou; Wei-Hsiang Chiang; Bharath Kumar Yadlapalli; Chiung-Yi Huang; Po-Liu Liang; Ray-Hua Horng et al.
Source: check_circle
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Study of thermal annealing on gallium oxide heteroepitaxial layers grown on SiC for vertical Schottky barrier diodes applications

Applied Surface Science Advances
2024-12 | Journal article
Contributors: Chai-Wei Ku; Sheng-Ti Chung; Fu-Gow Tarntair; Ching-Lien Hsiao; Ray-Hua Horng
Source: check_circle
Crossref

Investigation of Gallium Nitride Based HEMTs with Thermal Dissipation

Advanced Electronic Materials
2024-11 | Journal article
Contributors: Hao‐Xuan Zheng; William Anderson Lee Sanchez; Kun‐Lin Lin; Ray‐Hua Horng
Source: check_circle
Crossref

Unveiling Superior Solar-Blind Photodetection with a NiO/ZnGa2O4 Heterojunction Diode

ACS Applied Materials & Interfaces
2024-10-23 | Journal article
Contributors: Taslim Khan; Kanika Arora; Rekha Agarwal; Pranaba Kishor Muduli; Ying-Hao Chu; Ray Hua Horng; Rajendra Singh
Source: check_circle
Crossref

Performance Improvement of Enhanced-Mode β-Ga2O3 MOSFETs by Partial Gate Recess Structure

ACS Applied Electronic Materials
2024-10-22 | Journal article
Contributors: Yueh-Han Chuang; Fu-Gow Tarntair; Pei-Jung Wang; Tian-Li Wu; Niall Tumilty; Ray-Hua Horng
Source: check_circle
Crossref

Utilizing the Ability of Few-Layer MoS2 Integrated with MOCVD-Grown ZnGa2O4 for Thermally Stable Deep Ultraviolet Detection Performance

ACS Applied Electronic Materials
2024-10-22 | Journal article
Contributors: Taslim Khan; Nahid Chaudhary; Ray-Hua Horng; Rajendra Singh
Source: check_circle
Crossref

Comparison of performance in GaN-HEMTs on thin SiC substrate and sapphire substrates

Chinese Journal of Physics
2024-08 | Journal article
Contributors: Tsung Po Chuang; Niall Tumilty; Chia Hao Yu; Ray Hua Horng
Source: check_circle
Crossref

Reduction of interface defects in gate-recessed GaN HEMTs by neutral beam etching

Materials Today Advances
2024-08 | Journal article
Contributors: Chia Hao Yu; Wei Hsiang Chiang; Yi-Ho Chen; Seiji Samukawa; Dong Sing Wuu; Chin-Han Chung; Ching-Lien Hsiao; Ray Hua Horng
Source: check_circle
Crossref

Design and fabrication of a porous prism film for display backlight applications

Optical Materials Express
2024-07-01 | Journal article
Contributors: Fang-Hsuan Su; Ray-Hua Horng; Dong-Sing Wuu
Source: check_circle
Crossref

Performance improvement of blue light micro-light emitting diodes (< 20 μm) by neutral beam etching process

Materials Today Advances
2024-06 | Journal article
Contributors: Yu-Hsuan Hsu; Yun-Cheng Hsu; Chien-Chung Lin; Yi-Hsin Lin; Dong-Sing Wuu; Hao-Chung Kuo; Seiji Samukawa; Ray-Hua Horng
Source: check_circle
Crossref

Study of Thin Film Blue-Light MicroLEDs by Laser Lift-Off and Texture Process

IEEE Electron Device Letters
2024-02 | Journal article
Contributors: Yu-Hsuan Hsu; Tsung-Chih Wan; Yu-Yun Lo; Xin-Dai Lin; Yi-Hsin Lin; Hsiao-Wen Zan; Ray-Hua Horng
Source: check_circle
Crossref

Undoped β-Ga2O3 Layer Thickness Effect on the Performance of MOSFETs Grown on a Sapphire Substrate

ACS Applied Electronic Materials
2024-01-23 | Journal article
Contributors: Chan-Hung Lu; Fu-Gow Tarntair; Yu-Cheng Kao; Niall Tumilty; Ray-Hua Horng
Source: check_circle
Crossref

Performance of Transparent Indium–Gallium–Zinc Oxide Thin Film Transistor Prepared by All Plasma Enhanced Atomic Layer Deposition

IEEE Electron Device Letters
2023 | Journal article
Contributors: Qi-Zhen Chen; Chun-Yan Shi; Ming-Jie Zhao; Peng Gao; Wan-Yu Wu; Dong-Sing Wuu; Ray-Hua Horng; Shui-Yang Lien; Wen-Zhang Zhu
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Crossref

P-type conductive Ga2O3 epilayers grown on sapphire substrate by phosphorus-ion implantation technology

Materials Today Advances
2023-12 | Journal article
Contributors: Ray Hua Horng; Xin-Ying Tsai; Fu-Gow Tarntair; Jia-Min Shieh; Shao-Hui Hsu; Jitendra Pratap Singh; Guan-Cheng Su; Po-Liang Liu
Source: check_circle
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Growth and Characterization of Sputtered InAlN Nanorods on Sapphire Substrates for Acetone Gas Sensing

Nanomaterials
2023-12-21 | Journal article
Contributors: Ray-Hua Horng; Po-Hsiang Cho; Jui-Che Chang; Anoop Kumar Singh; Sheng-Yuan Jhang; Po-Liang Liu; Dong-Sing Wuu; Samiran Bairagi; Cheng-Hsu Chen; Kenneth Järrendahl et al.
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Current Confinement Effect on the Performance of Blue Light Micro-LEDs with 10 μm Dimension

ACS Omega
2023-09-26 | Journal article
Contributors: Yu-Hsuan Hsu; Yi-Hsin Lin; Ming-Hsien Wu; Hao Chung Kuo; Ray-Hua Horng
Source: check_circle
Crossref

Direct hard X-ray photodetector with superior sensitivity based on ZnGa2O4 epilayer grown by metalorganic chemical vapor deposition

Materials Today Advances
2023-08 | Journal article
Contributors: Siddharth Rana; Shang-Jui Chiu; Chih-Yang Huang; Fu-Gow Tairtan; Yan-Gu Lin; Dong-Sing Wuu; Jitendra Pratap Singh; Guang-Cheng Su; Po-Liang Liu; Ray-Hua Horng
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Crossref

Metal-insulator-semiconductor type diode based on implanted β-Ga2O3 epilayers grown on sapphire substrate by metalorganic chemical vapor deposition

Materials Today Advances
2023-06 | Journal article
Contributors: Ray-Hua Horng; Apoorva Sood; Siddharth Rana; Niall Tumilty; Fu-Gow Tarntair; Catherine Langpoklakpam; Hao-Chung Kuo; Jitendra Pratap Singh
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Growth and Characterization of Sputtered ZnO:ZnGa2O4 Dual-Phase Films on Sapphire Substrates for NO Gas-Sensing Applications

ACS Applied Electronic Materials
2023-05-23 | Journal article
Contributors: Anoop Kumar Singh; Chao-Chun Yen; Chun-Fan Wen; Ray-Hua Horng; Dong-Sing Wuu
Source: check_circle
Crossref

Thermal Performance of Cu Electroplated GaN/AlGaN High-Electron-Mobility Transistors with Various-Thickness Si Substrates

Electronics
2023-04-27 | Journal article
Contributors: Ray-Hua Horng; Hsiao-Yun Yeh; Niall Tumilty
Source: check_circle
Crossref
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Electrical performance study of Schottky barrier diodes using ion implanted β-Ga2O3 epilayers grown on sapphire substrates

Materials Today Advances
2023-03 | Journal article
Contributors: Apoorva Sood; Dong-Sing Wuu; Fu-Gow Tarntair; Ngo Thien Sao; Tian-Li Wu; Niall Tumilty; Hao-Chung Kuo; Singh Jitendra Pratap; Ray-Hua Horng
Source: check_circle
Crossref

Suppression of p-type parasitic channel formation at the interface between the aluminum nitride nucleation layer and the high-resistivity silicon substrate

Surfaces and Interfaces
2023-02 | Journal article
Contributors: Pojung Lin; Jiazhe Liu; Hongche Lin; Zhiyuan Chuang; Wenching Hsu; Yiche Chen; Poliang Liu; Rayhua Horng
Source: check_circle
Crossref

Effects of UV-ozone treatment on the performance of deep-ultraviolet photodetectors based on ZnGa2O4 epilayers

Materials Chemistry and Physics
2022-12 | Journal article
Contributors: Ray-Hua Horng; Yun-Sheng Li; Kun-Lin Lin; Fu-Gow Tarntair; Siri Nittayakasetwat; Ching-Lien Hsiao
Source: check_circle
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Growth mechanism and characteristics of β-Ga2O3 heteroepitaxailly grown on sapphire by metalorganic chemical vapor deposition

Materials Today Advances
2022-12 | Journal article
Contributors: Ray-Hua Horng; Dong-Sing Wuu; Po-Liang Liu; Apoorva Sood; Fu-Gow Tarntair; Yu-Hsuan Chen; Singh Jitendra Pratap; Ching-Lien Hsiao
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Crossref

Ion implantation effects on the characteristics of β-Ga2O3 epilayers grown on sapphire by MOCVD

Ceramics International
2022-12 | Journal article
Contributors: Ray-Hua Horng; Apoorva Sood; Fu-Gow Tarntair; Dong-Sing Wuu; Ching-Lien Hsiao; Singh Jitendra Pratap
Source: check_circle
Crossref

Sidewall geometric effect on the performance of AlGaN-based deep-ultraviolet light-emitting diodes

Optics Express
2022-12-19 | Journal article
Contributors: Kang-Wei Peng; Ming-Chun Tseng; Su-Hui Lin; Shouqiang Lai; Meng-Chun Shen; Dong-Sing Wuu; Ray-Hua Horng; Zhong Chen; Tingzhu Wu
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Detecting Atrial Fibrillation in Real Time Based on PPG via Two CNNs for Quality Assessment and Detection

IEEE Sensors Journal
2022-12-15 | Journal article
Contributors: Duc Huy Nguyen; Paul C.-P. Chao; Chih-Chieh Chung; Ray-Hua Horng; Bhaskar Choubey
Source: check_circle
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Heteroepitaxial Growth of an Ultrathin β-Ga2O3 Film on a Sapphire Substrate Using Mist CVD with Fluid Flow Modeling

ACS Omega
2022-11-15 | Journal article
Contributors: Abhay Kumar Mondal; Revathy Deivasigamani; Loh Kean Ping; Muhammad Aniq Shazni Mohammad Haniff; Boon Tong Goh; Ray Hua Horng; Mohd Ambri Mohamed
Source: check_circle
Crossref

Study on the performance of high-voltage deep ultraviolet light-emitting diodes

Optics Express
2022-11-07 | Journal article
Contributors: Yu-Hsuan Hsu; Kang-Wei Peng; Yi-Hsin Lin; Ming-Chun Tseng; Su-Hui Lin; Meng-Chun Shen; Ting-Zhu Wu; Zhong Chen; Ray-Hua Horng
Source: check_circle
Crossref

Structure Effect on the Response of ZnGa2O4 Gas Sensor for Nitric Oxide Applications

Nanomaterials
2022-10-26 | Journal article
Contributors: Ray-Hua Horng; Shu-Hsien Lin; Dun-Ru Hung; Po-Hsiang Chao; Pin-Kuei Fu; Cheng-Hsu Chen; Yi-Che Chen; Jhih-Hong Shao; Chiung-Yi Huang; Fu-Gow Tarntair et al.
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State-of-the-Art β-Ga2O3 Field-Effect Transistors for Power Electronics

ACS Omega
2022-10-18 | Journal article
Contributors: An-Chen Liu; Chi-Hsiang Hsieh; Catherine Langpoklakpam; Konthoujam James Singh; Wen-Chung Lee; Yi-Kai Hsiao; Ray-Hua Horng; Hao-Chung Kuo; Chang-Ching Tu
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Technology and Applications of Micro-LEDs: Their Characteristics, Fabrication, Advancement, and Challenges

ACS Photonics
2022-09-21 | Journal article
Contributors: Tzu-Yi Lee; Li-Yin Chen; Yu-Yun Lo; Sujith Sudheendran Swayamprabha; Amit Kumar; Yu-Ming Huang; Shih-Chen Chen; Hsiao-Wen Zan; Fang-Chung Chen; Ray-Hua Horng et al.
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High-efficiency InGaN red micro-LEDs for visible light communication

Photonics Research
2022-08-01 | Journal article
Contributors: Yu-Ming Huang; Chun-Yen Peng; Wen-Chien Miao; Hsin Chiang; Tzu-Yi Lee; Yun-Han Chang; Konthoujam James Singh; Z. Daisuke Iida; Ray-Hua Horng; Chi-Wai Chow et al.
Source: check_circle
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Zinc gallate (ZnGa2O4) epitaxial thin films: determination of optical properties and bandgap estimation using spectroscopic ellipsometry

Optical Materials Express
2022-08-01 | Journal article
Contributors: Samiran Bairagi; Ching-Lien Hsiao; Roger Magnusson; Jens Birch; Jinn P. Chu; Fu-Gow Tarntair; Ray-Hua Horng; Kenneth Järrendahl
Source: check_circle
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High Stability Flexible Deep-UV Detector Based on All-Oxide Heteroepitaxial Junction

ACS Applied Electronic Materials
2022-06-28 | Journal article
Contributors: Wei-Han Chen; Chun-Hao Ma; Shang-Hsien Hsieh; Yu-Hong Lai; Yen-Chien Kuo; Chia-Hao Chen; Sheng-Po Chang; Shoou-Jinn Chang; Ray-Hua Horng; Ying-Hao Chu
Source: check_circle
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Thermal behavior of AlGaN-based deep-UV LEDs

Optics Express
2022-05-09 | Journal article
Contributors: Su-Hui Lin; Ming-Chun Tseng; Ray-Hua Horng; Shouqiang Lai; Kang-Wei Peng; Meng-Chun Shen; Dong-Sing Wuu; Shui-Yang Lien; Hao-Chung Kuo; Zhong Chen et al.
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ε-Ga2O3 Grown on c-Plane Sapphire by MOCVD with a Multistep Growth Process

Crystal Growth & Design
2022-03-02 | Journal article
Contributors: Yu-Hsuan Hsu; Wan-Yu Wu; Kun-Lin Lin; Yu-Hsuan Chen; Yi-Hsin Lin; Po-Liang Liu; Ching-Lien Hsiao; Ray-Hua Horng
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High Performance AlGaInP-Based Micro-LED Displays With Novel Pixel Structures

IEEE Photonics Technology Letters
2021-12-15 | Journal article
Contributors: Kai-Ping Chang; Po-Chun Lien; Chao-Chun Yen; Po-Wei Chen; Ray-Hua Horng; Dong-Sing Wuu
Source: check_circle
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Enhanced external quantum efficiencies of AlGaN-based deep-UV LEDs using reflective passivation layer

Optics Express
2021-11-08 | Journal article
Contributors: Su-Hui Lin; Ming-Chun Tseng; Kang-Wei Peng; Shouqiang Lai; Meng-Chun Shen; Ray-Hua Horng; Shui-Yang Lien; Dong-Sing Wuu; Hao-Chung Kuo; Tingzhu Wu et al.
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Structural design and performance improvement of flip-chip AlGaInP mini light-emitting diodes

Semiconductor Science and Technology
2021-09-01 | Journal article
Contributors: Kai-Ping Chang; Yu-Tin Tsai; Chao-Chun Yen; Ray-Hua Horng; Dong-Sing Wuu
Source: check_circle
Crossref

Development of Metal Bonding for Passive Matrix Micro-LED Display Applications

IEEE Electron Device Letters
2021-07 | Journal article
Contributors: Ray-Hua Horng; Yi-Fan Chen; Chi-Han Wang; Hung-Yu Chen
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Investigation of Electrical and Optical Properties of AlGaInP Red Vertical Micro-Light-Emitting Diodes With Cu/Invar/Cu Metal Substrates

IEEE Transactions on Electron Devices
2021-06 | Journal article
Contributors: Shreekant Sinha; Fu-Gow Tarntair; Cheng-Han Ho; Yuh-Renn Wu; Ray-Hua Horng
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GaInP/GaAs/poly-Si Multi-Junction Solar Cells by in Metal Balls Bonding

Crystals
2021-06-24 | Journal article
Contributors: Ray-Hua Horng; Yu-Cheng Kao; Apoorva Sood; Po-Liang Liu; Wei-Cheng Wang; Yen-Jui Teseng
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Carrier-Induced Defect Saturation in Green InGaN LEDs: A Potential Phenomenon to Enhance Efficiency at Higher Wavelength Regime

ACS Photonics
2021-03-17 | Journal article
Contributors: Dhiman Nag; Tarni Aggarwal; Shreekant Sinha; Ritam Sarkar; Swagata Bhunia; Yi-Fan Chen; Swaroop Ganguly; Dipankar Saha; Ray-Hua Horng; Apurba Laha
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Wearable Devices Made of a Wireless Vertical-Type Light-Emitting Diode Package on a Flexible Polyimide Substrate with a Conductive Layer

ACS Applied Electronic Materials
2021-02-23 | Journal article
Contributors: Wan-Yu Wu; Yu-Hsuan Hsu; Yi-Fan Chen; Yuh-Renn Wu; Han-Wen Liu; Tse-Yi Tu; Paul P.-C. Chao; Chih-Shan Tan; Ray-Hua Horng
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Comparison of Properties of Thin Film AlGaInP LEDs with Composite Metal and Si Substrates

ECS Journal of Solid State Science and Technology
2020 | Journal article
Contributors: ShreeKant Sinha; Hsiang-An Feng; Cheng-Yu Chung; Chia-Wei Tu; Ray-Hua Horng
Source: check_circle
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Deep-Ultraviolet LEDs Fabricated by Nanoimprinting

ECS Journal of Solid State Science and Technology
2020 | Journal article
Contributors: Ray-Hua Horng; Yan-Chung Lai; Liang-Hsing Lai
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Process Integration and Interconnection Design of Passive-Matrix LED Micro-Displays With 256 Pixel-Per-Inch Resolution

IEEE Journal of the Electron Devices Society
2020 | Journal article
Contributors: Shuo-Huang Yuan; Shih-Siang Yan; Yu-Shiuan Yao; Chung-Cheng Wu; Ray-Hua Horng; Dong-Sing Wuu
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Energy-Saving ZnGa2O4 Phototransistor Improved by Thermal Annealing

ACS Applied Electronic Materials
2020-11-24 | Journal article
Contributors: Peng-Hsuan Huang; Yuan-Chu Shen; Chun-Yi Tung; Chiung-Yi Huang; Chih Shan Tan; Ray-Hua Horng
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Peer review (22 reviews for 5 publications/grants)

Review activity for ACS applied electronic materials. (14)
Review activity for ACS nano. (1)
Review activity for Crystal growth & design. (3)
Review activity for Journal of applied physics. (2)
Review activity for Physica status solidi. (2)