Search Results - "Ohya, Yutaka"

Hydrothermal Synthesis of Layered Perovskite-Structured Metal Oxides and Cesium Tungstate Nanosheets by Ban, Takayuki, Kaiden, Takafumi, Ohya, Yutaka

“…The synthesis of layered metalates consisting of metalate layers with two types of metal ions and interlayer organic cations via an aqueous solution process…”
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Size controlled synthesis of well-distributed nano-silver on hydroxyapatite using alkanolamine compounds by Labanni, Arniati, Zulhadjri, Handayani, Dian, Ohya, Yutaka, Arief, Syukri

“…A well-distributed nano-silver hydroxyapatite composite has been successfully prepared by a one-pot synthesis method. Hydroxyapatite was separately synthesized…”
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Control of antiferromagnetic resonance and the Morin temperature in cation doped α-Fe2-xMxO3 (M = Al, Ru, Rh, and In) by Hayashi, Kensuke, Yamada, Keisuke, Shima, Mutsuhiro, Ohya, Yutaka, Ono, Teruo, Moriyama, Takahiro

“…Antiferromagnets are one of the few candidate materials that can work at THz frequency and are, therefore, a potential material for THz technology recently…”
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Bottom-up synthesis of ruthenate nanosheets by aqueous solution process by Ban, Takayuki, Inukai, Kazuki, Hattori, Taiki, Nagata, Takeshi, Takai-Yamashita, Chika, Ohya, Yutaka

“…The bottom-up synthesis of ruthenate nanosheets was examined by aqueous solution process. Upon heating mixtures of RuCl 3 and N(CH 3 ) 4 OH aqueous solutions…”
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The effect of monoethanolamine as stabilizing agent in Uncaria gambir Roxb. mediated synthesis of silver nanoparticles and its antibacterial activity by Labanni, Arniati, Zulhadjri, Zulhadjri, Handayani, Dian, Ohya, Yutaka, Arief, Syukri

“…The development of an economic and eco-friendly approach of silver nanoparticles synthesis is an important issue due to its wide application, especially in…”
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Microstructure and surface activity of mechanically-dispersed cellulose nanofiber aqueous sol by Takai-Yamashita, Chika, Mabuchi, Yuya, Senna, Mamoru, Fuji, Masayoshi, Ohya, Yutaka, Yamagata, Yoshifumi

“…Cellulose nanofiber (CNF)-derived functional papers hold promise for application in various fields due to their unique properties such as gas barriers, high…”
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Hydrothermal synthesis of highly pure brookite-type titanium oxide powder from aqueous sols of titanate nanosheets by Ban, Takayuki, Hamajima, Ami, Akao, Naoya, Takai-Yamashita, Chika, Ohya, Yutaka

“…[Display omitted] •Brookite-type TiO2 is facilely synthesized under relatively mild conditions.•Titanate nanosheet aqueous sols are useful precursors of…”
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New Soft Magnetic Material Bonding Approach Using Ceramic Precursors and Ceramic Nanopowder by Kyyoul Yun, Yanase, Shunji, Ban, Takayuki, Ohya, Yutaka

“…In this paper, we propose a new metal bonding method using a ceramic precursor (zirconium butoxide or titanium tetraisopropoxide) or a ceramic nano powder…”
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Bottom-up synthesis of aluminophosphate nanosheets by hydrothermal process by Ban, Takayuki, Iriyama, Shota, Ohya, Yutaka

“…[Display omitted] •Layered aluminophosphates with a bulky interlayer cation were synthesized.•The exfoliation of the layered compounds provided…”
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Phase Transition between Layered Tungstates and Polyoxotungstates in Aqueous Solutions by Ban, Takayuki, Ito, Toshihiro, Ohya, Yutaka

“…Aqueous sols of colloidal layered tetramethylammonium (TMA) tungstate nanocrystals were obtained by diluting an aqueous suspension of TMA polyoxotungstate…”
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Synthesis of transparent aqueous sols of colloidal layered niobate nanocrystals at room temperature by Ban, Takayuki, Yoshikawa, Shogo, Ohya, Yutaka

“…The colloidal tetramethylammonium niobate nanocrystals in the synthesized transparent aqueous sols were about 4 nm in size and had a crystal structure similar…”
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Highly Sensitive Amperometric Hydrazine Sensor Developed from Gold Nanoparticles Electrodeposited on Glassy Carbon Electrode Modified with Graphene Oxide and Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) Composite by Rahman, Hemas Arif, Putra, Budi Riza, Rafi, Mohamad, Heryanto, Rudi, Takai-Yamashita, Chika, Ohya, Yutaka, Wahyuni, Wulan Tri

“…Here, we demonstrate the development of a hydrazine sensor using gold nanoparticles (AuNPs) electrodeposited on the surface of a glassy carbon electrode (GCE)…”
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Bottom-up synthesis of titanophosphate nanosheets by the aqueous solution process by Ban, Takayuki, Asano, Keito, Takai-Yamashita, Chika, Ohya, Yutaka

“…The synthesis of titanophosphate nanosheets in aqueous sols was examined by the bottom-up process. The nanosheets were formed by mixing titanium iso-propoxide,…”
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One-pot alkanolamines-assisted synthesis of magnetic mesoporous silica for synthetic dye adsorption by Lestari, Puji, Lim, Lee Wah, Ohya, Yutaka, Takeuchi, Toyohide

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Development of Titanium Dioxide-Supported Pd Catalysts for Ligand-Free Suzuki–Miyaura Coupling of Aryl Chlorides by Tsuyoshi Yamada, Hayato Masuda, Kwihwan Park, Takumu Tachikawa, Naoya Ito, Tomohiro Ichikawa, Masatoshi Yoshimura, Yukio Takagi, Yoshinari Sawama, Yutaka Ohya, Hironao Sajiki

“…The catalyst activities of various heterogeneous palladium catalysts supported by anatase-, rutile- and brookite-type titanium oxide for ligand-free…”
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Fabrication of titania films by sol–gel method using transparent colloidal aqueous solutions of anatase nanocrystals by Ban, Takayuki, Tanaka, Yusuke, Ohya, Yutaka

“…The fabrication of dense or porous titania films by the sol–gel method using anatase colloidal solutions was examined. When anatase colloidal solutions without…”
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Thin Film Transistor of ZnO Fabricated by Chemical Solution Deposition by Yutaka Ohya, Yutaka Ohya, Tsukasa Niwa, Tsukasa Niwa, Takayuki Ban, Takayuki Ban, Yasutaka Takahashi, Yasutaka Takahashi

“…A ZnO thin film was deposited on a Si wafer having an oxidized SiO 2 layer using a chemical solution deposition process and was applied to a bottom-gate type…”
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Orientation of tungsten trioxide thin films fabricated by sol–gel method using aqueous sols of colloidal layered tungstates by Ban, Takayuki, Ito, Toshihiro, Ohya, Yutaka

“…Oriented monoclinic WO 3 thin films were fabricated by sol–gel method using aqueous sols of colloidal layered tungstates. The colloidal tungstate sols were…”
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Microstructure of Six-Pointed Starlike Anatase Aggregates by Ban, Takayuki, Nakatani, Tomohiko, Uehara, Yasufumi, Ohya, Yutaka

“…Six-pointed starlike anatase aggregates were synthesized hydrothermally from aqueous sols of tetramethylammonium titanate colloids having a lepidocrocite-type…”
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Diversity in the matrix structure of eggshells in the Testudines (Reptilia) by Kusuda, Satoshi, Yasukawa, Yuichirou, Shibata, Hiroki, Saito, Tomomi, Doi, Osamu, Ohya, Yutaka, Yoshizaki, Norio

“…The eggshells of 56 chelonians were examined by electron microscopy and X-ray diffractometry. They were classified into six types in terms of the matrix…”
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