Dr. Weifang Lu Profile

Dr. Weifang Lu

at Meijo Univ

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 5 March 2022 Presentation

Optimization of tunnel junction growth on m-plane GaN substrate for multi-quantum shell-based devices

Shiori Yamamura, Yoshiya Miyamoto, Naoki Sone, Weifang Lu, Renji Okuda, Kazuma Ito, Yukimi Jinno, Nanami Nakayama, Sae Katsuro, Satoshi Kamiyama, Tetsuya Takeuchi, Motoaki Iwaya

Proceedings Volume PC12001, PC1200109 (2022) https://doi.org/10.1117/12.2608402

KEYWORDS: Gallium nitride, Magnesium, Doping, Vapor phase epitaxy, Tin, Resistance, Oxides, Nanowires, Mass spectrometry, Ions

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Proceedings Article | 5 March 2022 Poster + Presentation

Suppression of c-plane emission in GaInN/GaN multiquantum shells/nanowires for efficient LEDs

Sae Katsuro, Weifang Lu, Naoki Sone, Kazuma Ito, Nanami Nakayama, Renji Okuda, Yoshiya Miyamoto, Yukimi Jinno, Shiori Yamamura, Motoaki Iwaya, Tetsuya Takeuchi, Satoshi Kamiyama

Proceedings Volume PC12001, PC120011D (2022) https://doi.org/10.1117/12.2608186

KEYWORDS: Light emitting diodes, Nanowires, Etching, Luminous efficiency, Vapor phase epitaxy, Silica, Scanning electron microscopy, Polarization, Metals, Luminescence

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Proceedings Article | 5 March 2022 Poster + Presentation

Sputtering growth of n-GaN cap layer on core-shell GaInN/GaN multiquantum shell/nanowires

Yukimi Jinno, Renji Okuda, Naoki Sone, Weifang Lu, Yoshiya Miyamoto, Kazuma Ito, Shiori Yamamura, Sae Katsuro, Nanami Nakayama, Satoshi Kamiyama, Tetsuya Takeuchi, Motoaki Iwaya

Proceedings Volume PC12001, PC120011E (2022) https://doi.org/10.1117/12.2608187

KEYWORDS: Optoelectronic devices, Nanostructures, Magnesium, Luminous efficiency, Sputter deposition, Nanowires, Gallium nitride, Crystals, Vapor phase epitaxy, Silicon

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Proceedings Article | 11 March 2021 Presentation + Paper

Device fabrication for multiple quantum shell nanowires based laser diodes

Renji Okuda, Weifang Lu, Naoki Sone, Yoshiya Miyamoto, Kazuma Ito, Kazuyoshi Iida, Masaki Ohya, Koji Okuno, Koichi Mizutani, Satoshi Kamiyama, Tetsuya Takeuchi, Motoaki Iwaya, Isamu Akasaki

Proceedings Volume 11686, 116861A (2021) https://doi.org/10.1117/12.2578128

KEYWORDS: Nanowires, Semiconductor lasers, Wet etching, Plasma etching, Metalorganic chemical vapor deposition, Plasma, Optoelectronic devices, Nanolithography, Mirrors, Gallium nitride

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Proceedings Article | 6 March 2021 Poster + Presentation

Crystal growth of n-GaN on nanowire-based light emitter including multiple-quantum-shell and tunnel junction

Yoshiya Miyamoto, Naoki Sone, Weifang Lu, Kazuma Ito, Renji Okuda, Kazuyoshi Iida, Masaki Ohya, Koji Okuno, Koichi Mizutani, Satoshi Kamiyama, Tetsuya Takeuchi, Motoaki Iwaya, Isamu Akasaki

Proceedings Volume 11686, 116862L (2021) https://doi.org/10.1117/12.2578133

KEYWORDS: Nanowires, Crystals, Scanning electron microscopy, Quantum efficiency, Light emitting diodes, Vapor phase epitaxy, Tin, Silica, Semiconductor lasers, Photomasks

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Proceedings Article | 5 March 2021 Presentation

Emission wavelength control of GaInN/GaN multi-quantum shells/nanowires grown by metalorganic vapor phase epitaxy

Kazuma Ito, Weifang Lu, Naoki Sone, Yoshiya Miyamoto, Renji Okuda, Satoshi Kamiyama, Tetsuya Takeuchi, Motoaki Iwaya, Isamu Akasaki

Proceedings Volume 11686, 116861L (2021) https://doi.org/10.1117/12.2578127

KEYWORDS: Light emitting diodes, Electron microscopes, Electron beam lithography, Vapor phase epitaxy, Nanowires, Scanning electron microscopy, Crystals, Quantum wells, Luminous efficiency

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Proceedings Article | 5 March 2021 Presentation + Paper

High-concentration doping of donor and acceptor in fluorescent 4H-SiC by closed sublimation growth

Yoma Yamane, Weifang Lu, Kosuke Yanai, Satoshi Kamiyama, Tetsuya Takeuchi, Motoaki Iwaya, Isamu Akasaki

Proceedings Volume 11706, 117060W (2021) https://doi.org/10.1117/12.2577458

KEYWORDS: Silicon carbide, Doping, Nitrogen, Boron, Sodium, Protactinium, Neodymium, Luminous efficiency, Internal quantum efficiency

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Proceedings Article | 5 March 2021 Presentation

Enhanced penetration depth of surface passivation in porous fluorescent 6H-SiC with Si/C-faces

Kosuke Yanai, Weifang Lu, Yoma Yamane, Satoshi Kamiyama, Tetuya Takeuchi, Motoaki Iwaya, Isamu Akasaki

Proceedings Volume 11706, 117060X (2021) https://doi.org/10.1117/12.2577428

KEYWORDS: Silicon carbide, Oxidation, Luminescence, Light emitting diodes, Scanning electron microscopy, Nitrogen, Boron

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Proceedings Article | 17 March 2020 Presentation

Crystal growth and optical property in core-shell structure consisting of GaN nanowire and GaInN/GaN multi-quantum shell (MQS) (Conference Presentation)

Satoshi Kamiyama, Lu Weifang, Tetsuya Takeuchi, Motoaki Iwaya, Isamu Akasaki

Proceedings Volume 11302, 113020E (2020) https://doi.org/10.1117/12.2542224

KEYWORDS: Crystals, Nanowires, Optical properties, Gallium nitride, Crystal optics, Silicon, Tolerancing, Doping

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Proceedings Article | 5 March 2019 Presentation

White LED in combination with bulk and porous fluorescent SiC (Conference Presentation)

Satoshi Kamiyama, Atsushi Suzuki, Weifang Lu, Motoaki Iwaya, Tetsuya Takeuchi, Isamu Akasaki

Proceedings Volume 10918, 1091820 (2019) https://doi.org/10.1117/12.2511208

KEYWORDS: Light emitting diodes, Silicon carbide, Near ultraviolet, Blue light emitting diodes, Optical components, Oxidation, Optical properties

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Showing 5 of 10 publications

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