Search Results - "FUKUDA, Tsuguo"

X-ray diffraction analysis and X-ray topography of high-quality ScAlMgO4 substrates by Inaba, Katsuhiko, Sugiyama, Kazumasa, Fujii, Takashi, Fukuda, Tsuguo

“…•Almost dislocation-free 2-inch SAM substrates was grown by the CZ method.•A narrow RC width down to 7.2 arcsec was obtained by HR-XRC.•The Burgers vectors of…”
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Growth of bulk single crystal ScAlMgO4 boules and GaN films on ScAlMgO4 substrates for GaN-based optical devices, high-power and high-frequency transistors by Fukuda, Tsuguo, Shiraishi, Yuji, Nanto, Toki, Fujii, Takashi, Sugiyama, Kazumasa, Simura, Rayko, Iechi, Hiroyuki, Tadatomo, Kazuyuki

“…•Production of a ScAlMgO4 single crystal by the Cz technique was demonstrated.•2-inches ScAlMgO4 crystal was confirmed to be without dislocation by XRT.•Thick…”
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Anisotropy of Magnetostriction of Functional BCC Iron-Based Alloys by Suzuki, Shigeru, Kawamata, Toru, Simura, Rayko, Asano, Shimpei, Fujieda, Shun, Umetsu, Rie Y., Fujita, Masaki, Imafuku, Muneyuki, Kumagai, Tsuyoshi, Fukuda, Tsuguo

“…This paper provides an overview of recent studies on the anisotropy of magnetostriction of functional iron-based alloys with the body-centered cubic (bcc)…”
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Characterization and performance of large-sized Fe–Ga alloy single crystals grown using the Czochralski method by Suzuki, Shigeru, Taguchi, Osamu, Kawamata, Toru, Sugiyama, Kazumasa, Ono, Jin, Kumagai, Tsuyoshi, Fukuda, Tsuguo

“…•Fe-Ga alloy single crystals with 〈001〉 orientation grown by the Czochralski method acted as a magnetic core in the vibration power generation.•Electromagnetic…”
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High-temperature acidic ammonothermal method for GaN crystal growth by Yoshida, Kazuo, Aoki, Kensuke, Fukuda, Tsuguo

“…We developed high-temperature autoclaves which are capable of growing GaN crystals at temperature <850°C and pressure <150MPa. A high-temperature acidic…”
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Magnetic Properties and Substructure of Iron–Gallium Alloy Single Crystals Processed from Ingot to Wafers by Chiba, Masaki, Tanno, Takenori, Abe, Maho, Hashi, Shuichiro, Ishiyama, Kazushi, Kawamata, Toru, Umestu, Rie Y., Sugiyama, Kazumasa, Sato, Shigeo, Mochizuki, Yosuke, Yatsushiro, Koji, Kumagai, Tsuyoshi, Fukuda, Tsuguo, Tanaka, Shun-Ichiro, Suzuki, Shigeru

“…To process ingots of Fe–Ga alloy single crystals into wafers, Fe–17% Ga alloy crystals were cut using multi-wire sawing or electric discharging and rolling…”
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Characteristic Twin Formation in Body-centered Cubic Fe–Ga Alloy Single Crystals with Different Orientations by Suzuki, Shigeru, Mizusawa, Kazuhiro, Kawamata, Toru, Umetsu, Rie Yamauchi, Kumagai, Tsuyoshi, Fukuda, Tsuguo, Sato, Shigeo

“…Tensile tests and electron backscatter diffraction (EBSD) measurements were performed to understand the microscopic processes in the plastic deformation of…”
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Strong yellow emission of high-conductivity bulk ZnO single crystals irradiated with high-power gyrotron beam by Kato, Kosaku, Qiu, Hongsong, Khutoryan, Eduard M., Tatematsu, Yoshinori, Tani, Masahiko, Idehara, Toshitaka, Yamaguchi, Yuusuke, Fukunari, Masafumi, Maeda, Yuto, Takayama, Kyoya, Minami, Yuki, Empizo, Melvin John F., Kurihara, Takayuki, Yamanoi, Kohei, Shimizu, Toshihiko, Takano, Keisuke, Sarukura, Nobuhiko, Fukuda, Tsuguo, Yoshimura, Masashi, Nakajima, Makoto

“…We report the strong yellow emission of bulk ZnO single crystals irradiated with the high-power gyrotron beam. Hydrothermally grown bulk crystals with high…”
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Prospects for the ammonothermal growth of large GaN crystal by Fukuda, Tsuguo, Ehrentraut, Dirk

“…The device technology for the wide-band-gap semiconductor group-III element nitrides (AlN, GaN, and InN) is much advanced over the growth of large-size,…”
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Reuse of ScAlMgO4 substrates utilized for halide vapor phase epitaxy of GaN by Ohnishi, Kazuki, Kuboya, Shigeyuki, Tanikawa, Tomoyuki, Iwabuchi, Takuya, Yamamura, Kazuya, Hasuike, Noriyuki, Harima, Hiroshi, Fukuda, Tsuguo, Matsuoka, Takashi

“…ScAlMgO4 (SCAM) substrates with a small lattice-mismatch to GaN and c-plane cleavability are promising for fabricating high-quality free-standing GaN wafers…”
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High-temperature thermal expansion of ScAlMgO4 for substrate application of GaN and ZnO epitaxial growth by Simura, Rayko, Sugiyama, Kazumasa, Nakatsuka, Akihiko, Fukuda, Tsuguo

“…High-temperature powder X-ray diffraction measurements for ScAlMgO4 ( in space group) grown by Czochralski method were carried out from 303 to 1473 K. The…”
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Investigation of power generation mechanism and anisotropy of Fe-Ga magnetostrictive alloy single crystal based on magnetic domain observations by Takahashi, Takumi, Simura, Rayko, Fujieda, Shun, Kawamata, Toru, Suzuki, Shigeru, Fukuda, Tsuguo

“…Recent developments in the field of vibration-based power generators have highlighted the advantages of using Fe-Ga alloys; these are…”
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Properties of ScAlMgO4 as Substrate for Nitride Semiconductors by Matsuoka, Takashi, Morioka, Hitoshi, Semboshi, Satoshi, Okada, Yukihiko, Yamamura, Kazuya, Kuboya, Shigeyuki, Okamoto, Hiroshi, Fukuda, Tsuguo

“…SCAM has been expected to be a suitable substrate for GaN blue-light-emitting-diodes (LEDs) and high-power high electron mobility transistors (HEMTs) because…”
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Growth of the 2-in-size bulk ZnO single crystals by the hydrothermal method by Ohshima, Eriko, Ogino, Hiraku, Niikura, Ikuo, Maeda, Katsumi, Sato, Mitsuru, Ito, Masumi, Fukuda, Tsuguo

“…The hydrothermal method combined with a platinum inner container was applied to grow zinc oxide (ZnO) single crystals. High-purity and transparent single…”
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Density and Surface Tension Measurement of Fe-Ga Melts Using Electromagnetic Levitation Technique by Adachi, Masayoshi, Higashi, Hideo, Nagakusa, Ikuma, Kawamata, Toru, Kumagai, Tsuyoshi, Fukuda, Tsuguo, Suzuki, Shigeru, Fukuyama, Hiroyuki

“…Fe-Ga alloys are expected as a magnetostrictive material. Currently, Fe-Ga single crystals have been fabricated by the Czochralski method. Thermophysical…”
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Investigation of the optical and electrical properties of zinc oxide by terahertz time domain ellipsometry by Zhao, Zixi, Agulto, Verdad C., Iwamoto, Toshiyuki, Kato, Kosaku, Yamanoi, Kohei, Shimizu, Toshihiko, Sarukura, Nobuhiko, Fujii, Takashi, Fukuda, Tsuguo, Yoshimura, Masashi, Nakajima, Makoto

“…In order to demonstrate the application of terahertz time-domain ellipsometry (THz-TDE) in the characterization of wide-bandgap semiconductors, we studied two…”
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Density and Surface Tension Measurement of Fe-Ga Melts Using Electromagnetic Levitation Technique by Adachi, Masayoshi, Higashi, Hideo, Nagakusa, Ikuma, Kawamata, Toru, Kumagai, Tsuyoshi, Fukuda, Tsuguo, Suzuki, Shigeru, Fukuyama, Hiroyuki

“…Fe-Ga alloys are expected as a magnetostrictive material. Currently, Fe-Ga single crystals have been fabricated by the Czochralski method. Thermophysical…”
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Erratum: "High-temperature thermal expansion of ScAlMgO4 for substrate application of GaN and ZnO epitaxial growth by Simura, Rayko, Sugiyama, Kazumasa, Nakatsuka, Akihiko, Fukuda, Tsuguo

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Total internal reflection-based side-pumping configuration for terawatt ultraviolet amplifier and laser oscillator development by Cadatal-Raduban, Marilou, Pham, Minh Hong, Pham, Duong Van, Bui, Duong Thi Thuy, Yamanoi, Kohei, Takeda, Kohei, Empizo, Melvin John F., Mui, Luong Viet, Shimizu, Toshihiko, Nguyen, Hung Dai, Sarukura, Nobuhiko, Fukuda, Tsuguo

“…A two-side-pumping scheme that is based on total internal reflection in a diamond-cut Ce 3+ :LiCaAlF 6 crystal suitable for the development of an ultraviolet…”
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Growth and scintillation properties of Pr-doped Lu3Al5O12 crystals by OGINO, Hiraku, YOSHIKAWA, Akira, NIKL, Martin, KRASNIKOV, Aleksei, KAMADA, Kei, FUKUDA, Tsuguo

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