Search Results - "KITAOKA, Yasuo"

Vapor-phase epitaxy of high-crystallinity GaN films using Ga2O vapor and NH3 by IMADE, Mamoru, KISHIMOTO, Hiroki, KAWAMURA, Fumio, YOSHIMURA, Masashi, KITAOKA, Yasuo, SASAKI, Takatomo, MORI, Yusuke

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Growth of thin rubrene single crystals from 1-propanol solvent by Matsukawa, Takeshi, Yoshimura, Masashi, Sasai, Kenichi, Uchiyama, Masahito, Yamagishi, Masakazu, Tominari, Yukihiro, Takahashi, Yoshinori, Takeya, Junichi, Kitaoka, Yasuo, Mori, Yusuke, Sasaki, Takatomo

“…Rubrene (5,6,11,12-tetraphenyltetracene) single crystals were grown by using the solution-slow-cooling technique with 1-propanol (PrOH) solvent. Thin hexagonal…”
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Chemical etchant dependence of surface structure and morphology on GaN(0001) substrates by Hattori, Azusa N., Kawamura, Fumio, Yoshimura, Masashi, Kitaoka, Yasuo, Mori, Yusuke, Hattori, Ken, Daimon, Hiroshi, Endo, Katsuyoshi

“…We studied the procedure of cleaning GaN(0001) substrate surfaces by wet etching and subsequent annealing in ultrahigh vacuum for two different types of…”
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Control of Growth Facets and Dislocation Propagation Behavior in the Na-Flux Growth of GaN by Imade, Mamoru, Hirabayashi, Yasuhiro, Miyoshi, Naoya, Yoshimura, Masashi, Kitaoka, Yasuo, Sasaki, Takatomo, Mori, Yusuke

“…We investigated changes in the growth mode and dislocation propagation behavior of Na-flux-grown GaN on GaN (0001) templates with changing flux composition…”
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Enhancement of the CsB3O5(CBO) crystal quality by fast cooling after crystal growth by Wang, Zengmei, Rajesh, Dodla, Yoshimura, Masashi, Shimatani, Hiroya, Kitaoka, Yasuo, Mori, Yusuke, Sasaki, Takatomo

“…CsB3O5 (CBO) is an excellent nonlinear optical crystal and can be grown by top-seeded solution growth (TSSG) from self-flux solutions. However, there are…”
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Growth of a Two-Inch GaN Single Crystal Substrate Using the Na Flux Method by Kawamura, Fumio, Umeda, Hidekazu, Morishita, Masanori, Kawahara, Minoru, Yoshimura, Masashi, Mori, Yusuke, Sasaki, Takatomo, Kitaoka, Yasuo

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Study of the metastable region in the growth of GaN using the Na flux method by Kawamura, Fumio, Morishita, Masanori, Miyoshi, Naoya, Imade, Mamoru, Yoshimura, Masashi, Kitaoka, Yasuo, Mori, Yusuke, Sasaki, Takatomo

“…It was revealed that the metastable region, in which liquid phase epitaxy (LPE) of GaN single crystals proceeds without the generation of polycrystals, expands…”
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A Practical Laser Projector with New Illumination Optics for Reduction of Speckle Noise by Kasazumi, Ken'ichi, Kitaoka, Yasuo, Mizuuchi, Kiminori, Yamamoto, Kazuhisa

“…We have developed illumination optics for image projection systems. It realizes uniform illumination and suppression of speckle and diffraction noises by using…”
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Growth of 2H–SiC single crystals in a Li-based flux by Kawamura, Fumio, Ogura, Takashi, Imade, Mamoru, Yoshimura, Masashi, Kitaoka, Yasuo, Mori, Yusuke, Sasaki, Takatomo

“…Growth of bulk 2H–SiC single crystals in a C–Li–Si ternary melt system was successful. The growth of 2H–SiC must be conducted at lower temperatures than that…”
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Liquid-phase epitaxy of 2H–SiC film on a (0001) 4H–SiC substrate in Li–Si melt by Imade, Mamoru, Ogura, Takashi, Uemura, Masahiro, Kawamura, Fumio, Yoshimura, Masashi, Kitaoka, Yasuo, Sasaki, Takatomo, Mori, Yusuke, Yamazaki, Masanobu, Suwabe, Shigekazu, Nakashima, Shin-ichi

“…We first applied a liquid-phase epitaxy (LPE) method to the growth of 2H–SiC to obtain an oriented 2H–SiC layer. The LPE growth was performed on a (0001)…”
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Growth of AlGaN/GaN heterostructure on vicinal m-plane free-standing GaN substrates prepared by the Na flux method by Isobe, Yasuhiro, Iida, Daisuke, Sakakibara, Tatsuyuki, Iwaya, Motoaki, Takeuchi, Tetsuya, Kamiyama, Satoshi, Akasaki, Isamu, Amano, Hiroshi, Imade, Mamoru, Kitaoka, Yasuo, Mori, Yusuke

“…We fabricated and characterized AlGaN/GaN heterostructure growth by MOVPE on vicinal m‐plane free‐standing GaN substrates prepared by the Na flux method. The…”
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Crystal growth of in a dry atmosphere and from a stoichiometric melt composition by Kawamura, Takahiro, Yoshimura, Masashi, Shimizu, Yohei, Nishioka, Masato, Fukushima, Yuji, Kaneda, Yushi, Kitaoka, Yasuo, Mori, Yusuke, Sasaki, Takatomo

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The Effects of Substrate Surface Treatments on Growth of $a$-Plane GaN Single Crystals Using Na Flux Method by Masumoto, Keiko, Murakami, Kosuke, Imabayashi, Hiroki, Takazawa, Hideo, Todoroki, Yuma, Matsuo, Daisuke, Kitamoto, Akira, Maruyama, Mihoko, Imade, Mamoru, Yoshimura, Masashi, Kitaoka, Yasuo, Sasaki, Takatomo, Mori, Yusuke

“…Nonpolar GaN substrates are necessary for the improvement of GaN device performance. The growth of high-quality nonpolar GaN crystals, however, has not yet…”
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Effect of carbon additive on increases in the growth rate of 2in GaN single crystals in the Na flux method by Kawamura, Fumio, Morishita, Masanori, Tanpo, Masaki, Imade, Mamoru, Yoshimura, Masashi, Kitaoka, Yasuo, Mori, Yusuke, Sasaki, Takatomo

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Liquid Phase Epitaxy Growth of m-Plane GaN Substrate Using the Na Flux Method by Iwahashi, Tomoya, Kitaoka, Yasuo, Kawamura, Fumio, Yoshimura, Masashi, Mori, Yusuke, Sasaki, Takatomo, Armitage, Rob, Hirayama, Hideki

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Fabrication of a-Plane GaN Substrate Using the Sr–Na Flux Liquid Phase Epitaxy Technique by Iwahashi, Tomoya, Kitaoka, Yasuo, Kawahara, Minoru, Kawamura, Fumio, Yoshimura, Masashi, Mori, Yusuke, Sasaki, Takatomo, Armitage, Rob, Hirayama, Hideki

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Overview and the Future of Phase-Change Optical Disk Technology by Ohta, Takeo, Nishiuchi, Kenichi, Narumi, Kenji, Kitaoka, Yasuo, Ishibashi, Hiromichi, Yamada, Noboru, Kozaki, Takashi

“…Phase-change optical disk technology in the early days dealt with three issues: cyclability, erase characteristics and sensitivity. These were resolved by…”
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ULTRAVIOLET LIGHT GENERATION IN A PERIODICALLY POLED MgO:LiNbO3 WAVEGUIDE by Sugita, T, Mizuuchi, K, Kitaoka, Y, Yamamoto, K

“…Authors demonstrated efficient uv light generation of 386 nm wavelength in a periodically poled MgO:LiNbO3 waveguide. Utilizing multiple short pulses for…”
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New Passive Alignment Method of Channel Waveguide Device Using Height Control Spacers by Yokoyama, Toshifumi, Kitaoka, Yasuo, Yamamoto, Kazuhisa

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Effect of carbon additive on increases in the growth rate of 2 in GaN single crystals in the Na flux method by Kawamura, Fumio, Morishita, Masanori, Tanpo, Masaki, Imade, Mamoru, Yoshimura, Masashi, Kitaoka, Yasuo, Mori, Yusuke, Sasaki, Takatomo

“…We found that a carbon additive could suppress the unfavorable generation of polycrystals in a crucible without reduction in the yield of GaN in the Na flux…”
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