Search Results - "Katsui, Hirokazu"

Preferred orientations and microstructures of lanthanum phosphate films prepared via laser chemical vapor deposition by Katsui, Hirokazu, Kondo, Naoki

“…•LaPO4 monazite films with preferred orientations were synthesized via laser CVD.•The preferred orientations varied from (111¯) to (101¯) with increased laser…”
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Preparation of boron carbon oxynitride phosphor film via laser chemical vapor deposition and annealing by Katsui, Hirokazu, Harada, Katsuyoshi, Kondo, Naoki, Hotta, Mikinori

“…The present study demonstrates the synthesis of a boron carbon oxynitride (BCNO) phosphor film by laser annealing treatment of a boron carbonitride (BCN) film…”
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Effect of heat treatment on the decomposition of TiC–ZrC solid solutions by spark plasma sintering by Li, Ying, Katsui, Hirokazu, Goto, Takashi

“…TiC–ZrC solid solutions at ZrC composition of 5–90mol% were consolidated by spark plasma sintering of TiC and ZrC powders. The phase decomposition behavior by…”
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High CO reactivity of cobalt oxide catalyst deposited on alumina powders by rotary chemical vapor deposition by Hattori, Masatomo, Nakakura, Shuhei, Katsui, Hirokazu, Goto, Takashi, Ozawa, Masakuni

“…•Co3O4 supported on α-Al2O3 of 0.6 m2 g−1 were prepared by a rotary CVD method.•Co3O4 were deposited with sizes of 5–10 nm, and contents of 0.10–0.36 wt%.•The…”
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High-Hardness Diamond Composite Consolidated by Spark Plasma Sintering by He, Zhenhua, Katsui, Hirokazu, Goto, Takashi

“…A high‐hardness diamond‐based composite was synthesized by spark plasma sintering (SPS) under 100 MPa, using SiC‐coated diamond powder prepared via chemical…”
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Mechanical properties of nano-grain SiO2 glass prepared by spark plasma sintering by He, Zhenhua, Katsui, Hirokazu, Goto, Takashi

“…Silicon carbide (SiC) layers were deposited on silica (SiO2) glass powder by rotary chemical vapor deposition (RCVD) to form SiO2 glass (core)/SiC (shell)…”
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Phase decomposition of TiC−ZrC solid solution prepared by spark plasma sintering by Li, Ying, Katsui, Hirokazu, Goto, Takashi

“…A 90TiC–10ZrC (mol%) solid solution was consolidated by spark plasma sintering at 2373K and decomposed into Zr0.94Ti0.06C nodules and Ti0.97Zr0.03C matrix by…”
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Room-temperature fracture toughness of MoSiBTiC alloys by Moriyama, Takahiro, Yoshimi, Kyosuke, Zhao, Mi, Masnou, Tiffany, Yokoyama, Tomohiro, Nakamura, Junya, Katsui, Hirokazu, Goto, Takashi

“…Room-temperature fracture toughnesses of TiC-added Mo-Si-B alloys were evaluated for samples of three different compositions prepared using a conventional Ar…”
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Preparation of ZrCN−TiCN solid solutions by spark plasma sintering by Li, Ying, Katsui, Hirokazu, Goto, Takashi

“…ZrCN–TiCN solid solutions were consolidated by spark plasma sintering (SPS) using ZrC and TiCN powders at 1573–2373K for 300s. ZrCN–TiCN solid solutions were…”
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Microstructure, Morphology and Magnetic Property of (001)-Textured MnAlGe Films on Si/SiO2 Substrate by Umetsu, Rie Y., Semboshi, Satoshi, Mitsui, Yoshifuru, Katsui, Hirokazu, Nozaki, Yoshito, Yuitoo, Isamu, Takeuchi, Teruaki, Saito, Mikiko, Kawarada, Hiroshi

“…Substrate heating effects on the microstructure and magnetic properties of MnAlGe films grown on Si/SiO2 substrate by sputtering system were investigated. The…”
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Mechanical properties of individual phases of ZrB2-ZrC eutectic composite measured by nanoindentation by Cheng, Eric Jianfeng, Li, Ying, Sakamoto, Jeff, Han, Shaobo, Sun, Haiping, Noble, Jacob, Katsui, Hirokazu, Goto, Takashi

“…Zr-based ceramics are of interest for applications in aerospace propulsion, owing to their high hardness and stability. Application of these ceramics requires…”
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ZrB2-ZrCxN1−x Eutectic Composites Produced by Melt Solidification by Cheng, Eric Jianfeng, Katsui, Hirokazu, Goto, Takashi

“…Ceramic eutectics are naturally occurring in‐situ composites and can offer superior mechanical properties. Here, ZrB2–ZrCxN1−x quasi‐binary ceramic eutectic…”
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Electrical and thermal properties of off-stoichiometric SiC prepared by spark plasma sintering by Taki, Yukina, Kitiwan, Mettaya, Katsui, Hirokazu, Goto, Takashi

“…Off-stoichiometric silicon carbide (SiC), C- and Si-added SiC (6H, α-type), with an excess amount of C or Si from 1 to 5 mol%, were fabricated by spark plasma…”
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Preparation of SiO2-diamond composites by spark plasma sintering by Kitiwan, Mettaya, Katsui, Hirokazu, Goto, Takashi

“…SiO 2 -diamond composites with 65-85 mass% diamond were fabricated by spark plasma sintering at 1873 K under 130 MPa for 300 s using bimodal diamond particle…”
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Preparation of Na–Al–O films by laser chemical vapor deposition by Chi, Chen, Katsui, Hirokazu, Goto, Takashi

“…Na–Al–O films were prepared on AlN substrates by laser chemical vapor deposition at deposition temperatures (Tdep) of 940–1250 K, molar ratios of Na to Al…”
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Long-Range Ordered Structure of Ti-B-C-N in a TiB2-TiCxN1−x Eutectic Composite by Cheng, Eric Jianfeng, Katsui, Hirokazu, Tu, Rong, Goto, Takashi

“…A TiB2–TiCxN1−x quasi‐binary eutectic composite, with a rod‐like faceted texture and a long‐range ordered structure of Ti–B–C–N, was prepared by the…”
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Preparation of Li–Al–O films by laser chemical vapor deposition by Chi, Chen, Katsui, Hirokazu, Tu, Rong, Goto, Takashi

“…Li–Al–O films were prepared on AlN substrates by laser chemical vapor deposition at deposition temperatures (Tdep) of 800–1300 K and molar ratios of Li to Al…”
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Are Non-Six-Membered Ring Defects Formed in Single-Walled Carbon Nanotubes Treated by a Fluorination-Defluorination Process? by Omoto, Yoji, Morita, Hiromu, Sato, Yoshinori, Nishida, Tetsuo, Motomiya, Kenichi, Katsui, Hirokazu, Goto, Takashi, Sato, Yoshinori

“…Single-walled carbon nanotubes (SWCNTs) modified by introducing non-six-membered ring defects, such as five- and seven-membered rings, have attracted…”
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Crystal growth of BaTi2O5 by the floating zone method by Katsui, Hirokazu, Shiga, Keiji, Tu, Rong, Goto, Takashi

“…Transparent single-crystalline BaTi2O5 was prepared by the floating zone (FZ) method. A large size single-crystalline BaTi2O5 rod, 5.5mm in diameter and 30mm…”
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Effect of La3+ ion substitution on the dielectric properties of single-crystalline BaTi2O5 by Shiga, Keiji, Katsui, Hirokazu, Kakuda, Hiroyuki, Yoshikawa, Kazuma, Tsuneyoshi, Jun, Goto, Takashi

“…La3+ ion substituted single-crystalline BaTi2O5 (Ba1−xLaxTi2O5−z) was prepared by a floating zone method, and the effect of La3+ ion substitution on the phase…”
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