Search Results - "Yoshigoe, Akitaka"

Synchrotron radiation photoelectron spectroscopy study on oxides formed at Ge(100)2 × 1 surface in atmosphere by Yoshigoe, Akitaka

“…Synchrotron radiation photoelectron spectroscopy was applied to conduct chemical analysis of Ge oxides formed at the Ge(100)2 × 1 surface in atmosphere at room…”
Get full text

Surface segregation effect for prevention of oxidation in Ni‐X (X=Sn, Sb) alloy by in situ photoelectron spectroscopy by Doi, Takashi, Yoshigoe, Akitaka

“…Ni‐base alloys has been widely used for chemical plants because of their high strength and excellent oxidation resistance. In particular, the addition of Sn…”
Get full text

Oxidation Mechanisms of Hafnium Overlayers Deposited on an Si(111) Substrate by Kakiuchi, Takuhiro, Matoba, Tomoki, Koyama, Daisuke, Yamamoto, Yuki, Yoshigoe, Akitaka

“…The oxidation mechanism of hafnium overlayers on an Si(111) substrate [Hf–Si(111), including the outermost metallic Hf overlayers and interfacial Hf silicides…”
Get full text

Work function lowering of LaB6 by monolayer hexagonal boron nitride coating for improved photo- and thermionic-cathodes by Yamaguchi, Hisato, Yusa, Ryunosuke, Wang, Gaoxue, Pettes, Michael T., Liu, Fangze, Tsuda, Yasutaka, Yoshigoe, Akitaka, Abukawa, Tadashi, Moody, Nathan A., Ogawa, Shuichi

“…We report a lowering of work function for lanthanum hexaboride (LaB6) by monolayer hexagonal boron nitride (hBN) coating. Photoemission electron microcopy…”
Get full text

Electrical properties and energy band alignment of SiO2/GaN metal-oxide-semiconductor structures fabricated on N-polar GaN( 000 1 ¯) substrates by Mizobata, Hidetoshi, Tomigahara, Kazuki, Nozaki, Mikito, Kobayashi, Takuma, Yoshigoe, Akitaka, Hosoi, Takuji, Shimura, Takayoshi, Watanabe, Heiji

“…The interface properties and energy band alignment of SiO2/GaN metal-oxide-semiconductor (MOS) structures fabricated on N-polar GaN( 000 1 ¯) substrates were…”
Get full text

Two-step model for reduction reaction of ultrathin nickel oxide by hydrogen by Ogawa, Shuichi, Taga, Ryo, Yoshigoe, Akitaka, Takakuwa, Yuji

“…Nickel (Ni) is used as a catalyst for nitric oxide decomposition and ammonia production but it is easily oxidized and deactivated. Clarification of the…”
Get full text

Initial oxidation processes of ultrathin hafnium film and hafnium disilicide islands on Si(100)-2 × 1 surfaces studied using core-level X-ray photoelectron spectroscopy by Kakiuchi, Takuhiro, Yamasaki, Hideki, Tsukada, Chie, Yoshigoe, Akitaka

“…•Chemical states of clean ultrathin hafnium film on Si(100) were analyzed by core-level photoelectron spectroscopy.•Initial oxidation of clean ultrathin…”
Get full text

H2 production from methane decomposition by fullerene at low temperature by Tokunaga, Tomoharu, Kuno, Kohei, Kawakami, Takumi, Yamamoto, Takahisa, Yoshigoe, Akitaka

“…Carbon materials have previously been reported to work as catalysts for hydrogen (H2) production from hydrocarbons. Mechanisms of the catalytic behavior of…”
Get full text

High reactivity of H2O vapor on GaN surfaces by Sumiya, Masatomo, Sumita, Masato, Tsuda, Yasutaka, Sakamoto, Tetsuya, Sang, Liwen, Harada, Yoshitomo, Yoshigoe, Akitaka

“…Understanding the process of oxidation on the surface of GaN is important for improving metal-oxide-semiconductor (MOS) devices. Real-time X-ray photoelectron…”
Get full text

Interface atom mobility and charge transfer effects on CuO and Cu2O formation on Cu3Pd(111) and Cu3Pt(111) by Tsuda, Yasutaka, Gueriba, Jessiel Siaron, Makino, Takamasa, Diño, Wilson Agerico, Yoshigoe, Akitaka, Okada, Michio

“…We bombarded Cu 3 Pd ( 111 ) and Cu 3 Pt ( 111 ) with a 2.3 eV hyperthermal oxygen molecular beam (HOMB) source, and characterized the corresponding (oxide)…”
Get full text

Design and control of interface reaction between Al-based dielectrics and AlGaN layer in AlGaN/GaN metal-oxide-semiconductor structures by Watanabe, Kenta, Nozaki, Mikito, Yamada, Takahiro, Nakazawa, Satoshi, Anda, Yoshiharu, Ishida, Masahiro, Ueda, Tetsuzo, Yoshigoe, Akitaka, Hosoi, Takuji, Shimura, Takayoshi, Watanabe, Heiji

“…Important clues for achieving well-behaved AlGaN/GaN metal-oxide-semiconductor (MOS) devices with Al-based gate dielectrics were systematically investigated on…”
Get full text

Biodegradability of Disulfide-Organosilica Nanoparticles Evaluated by Soft X‑ray Photoelectron Spectroscopy: Cancer Therapy Implications by Mekaru, Harutaka, Yoshigoe, Akitaka, Nakamura, Michihiro, Doura, Tomohiro, Tamanoi, Fuyuhiko

“…Two kinds of organosilica nanoparticles (NPs) that were fabricated from thiol-containing precursors, (3-mercaptopropyl)­trimethoxysilane (MPMS) and…”
Get full text

Synchrotron Radiation Photoelectron Spectroscopy Study on Oxide Evolution during Oxidation of a Si(111)‑7 × 7 Surface at 300 K: Comparison of Thermal Equilibrium Gas and Supersonic Molecular Beams for Oxygen Adsorption by Yoshigoe, Akitaka, Teraoka, Yuden

“…The translational energy of gas molecules is a fundamental physical quantity which dominates adsorption processes in gas–solid reactions, and for this reason…”
Get full text

Roles of strain and carrier in silicon oxidation by Ogawa, Shuichi, Yoshigoe, Akitaka, Tang, Jaiyi, Sekihata, Yuki, Takakuwa, Yuji

“…In this paper we review the study of the unified Si oxidation reaction model mediated by point defect generation, in which O2 dissociative adsorption occurs at…”
Get full text

Controlled oxide interlayer for improving reliability of SiO2/GaN MOS devices by Yamada, Takahiro, Terashima, Daiki, Nozaki, Mikito, Yamada, Hisashi, Takahashi, Tokio, Shimizu, Mitsuaki, Yoshigoe, Akitaka, Hosoi, Takuji, Shimura, Takayoshi, Watanabe, Heiji

“…Abstarct The impact of controlling Ga-oxide (GaOx) interlayers in SiO2/GaOx/GaN gate stacks is investigated by means of physical and electrical…”
Get full text

Mass transport in the PdCu phase structures during hydrogen adsorption and absorption studied by XPS under hydrogen atmosphere by Tang, Jiayi, Yamamoto, Susumu, Koitaya, Takanori, Yoshigoe, Akitaka, Tokunaga, Takuma, Mukai, Kozo, Matsuda, Iwao, Yoshinobu, Jun

“…We investigated mass transports during hydrogen adsorption and absorption processes of PdCu alloys that has advantages of higher hydrogen diffusivity and…”
Get full text

Nanoscale spatial analysis of clay minerals containing cesium by synchrotron radiation photoemission electron microscopy by Yoshigoe, Akitaka, Shiwaku, Hideaki, Kobayashi, Toru, Shimoyama, Iwao, Matsumura, Daiju, Tsuji, Takuya, Nishihata, Yasuo, Kogure, Toshihiro, Ohkochi, Takuo, Yasui, Akira, Yaita, Tsuyoshi

“…A synchrotron radiation photoemission electron microscope (SR-PEEM) was applied to demonstrate the pinpoint analysis of micrometer-sized weathered biotite clay…”
Get full text

Oxidation of Anatase TiO2(001) Surface Using Supersonic Seeded Oxygen Molecular Beam by Katsube, Daiki, Ohno, Shinya, Takayanagi, Shuhei, Ojima, Shoki, Maeda, Motoyasu, Origuchi, Naoki, Ogawa, Arata, Ikeda, Natsuki, Aoyagi, Yoshihide, Kabutoya, Yuito, Kyungmin, Kim, Linfeng, Hou, Fengxuan, Li, Tsuda, Yasutaka, Yoshida, Hikaru, Nishi, Shizuka, Sakamoto, Tetsuya, Inami, Eiichi, Yoshigoe, Akitaka, Abe, Masayuki

“…We investigated the oxidation of oxygen vacancies at the surface of anatase TiO2(001) using a supersonic seeded molecular beam (SSMB) of oxygen. The oxygen…”
Get full text

Experimental and Theoretical Studies on Oxidation of Cu-Au Alloy Surfaces: Effect of Bulk Au Concentration by Okada, Michio, Tsuda, Yasutaka, Oka, Kohei, Kojima, Kazuki, Diño, Wilson Agerico, Yoshigoe, Akitaka, Kasai, Hideaki

“…We report results of our experimental and theoretical studies on the oxidation of Cu-Au alloy surfaces, viz., Cu 3 Au(111), CuAu(111) and Au 3 Cu(111), using…”
Get full text

Initial oxidation kinetics of Si(113)-(3 × 2) investigated using supersonic seeded molecular beams by Ohno, S., Tanaka, K., Kodama, H., Tanaka, M., Yoshigoe, A., Teraoka, Y.

“…[Display omitted] The initial oxidation of silicon surfaces with (113) orientation has been investigated using high-resolution photoelectron spectroscopy with…”
Get full text