武安光太郎 (Kotaro Takeyasu) - 論文

Dynamical Quantum Filtering via Enhanced Scattering of para-H2 on the Orientationally Anisotropic Potential of SrTiO3(001)

Koji Shimizu, Wilson Agerico Diño, Hiroshi Nakanishi, Hideaki Kasai, Kotaro Takeyasu, Katsuyuki Fukutani, Ayako Yajima

Scientific Reports 10(1) 5939 2020年12月

Role of pyridinic nitrogen in the mechanism of the oxygen reduction reaction on carbon electrocatalysts

Kotaro Takeyasu, Moeko Furukawa, Yuto Shimoyama, Santosh K. Singh, Junji Nakamura

Angewandte Chemie International Edition 2020年11月10日査読有り

窒素ドープ炭素の局所電子状態と活性

武安光太郎, 中村潤児

炭素 2019(290) 204 - 210 2019年11月15日査読有り招待有り

Electronic and spin structure of O- and H-adsorbed Fe3O4(111) surfaces

Asakawa, Kanta, Miura, Yoshio, Nagatsuka, Naoki, Takeyasu, Kotaro, Matsumoto, Masuaki, Fukutani, Katsuyuki

PHYSICAL REVIEW B 99(8) 085442 2019年2月査読有り

メタノール合成におけるCu-Zn活性点のargument

武安光太郎, 藤谷忠宏, 中村潤児

Accounts of Materials & Surface Research 4 9 - 17 2019年1月査読有り招待有り

Active Sites and Mechanism of Oxygen Reduction Reaction Electrocatalysis on Nitrogen-Doped Carbon Materials

S. K. Singh, K. Takeyasu, J. Nakamura

Advanced Material 1804297 2018年9月査読有り招待有り

Adsorption geometry of methyl chloride weakly interacting with Ag(111)

K. Takeyasu, M. Okada

J. Phys. Commun. 2 075017 2018年5月査読有り

Effects of Hydrogen on the Electronic State and Electric Conductivity of the Rutile TiO2(110) Surface

Keisuke Fukada, Masuaki Matsumoto, Kotaro Takeyasu, Shohei Ogura, Katsuyuki Fukutani

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 84(6) 064716 2015年6月査読有り

Temperature dependence of hydrogen depth distribution in the near-surface region of stainless steel

Kotaro Takeyasu, Masuaki Matsumoto, Katsuyuki Fukutani

VACUUM 109 230 - 233 2014年11月査読有り

Electronic structure of the SrTiO3 (001) surfaces: Effects of the oxygen vacancy and hydrogen adsorption

K. Takeyasu, K. Fukada, S. Ogura, M. Matsumoto, K. Fukutani

Appl. Sci. Conv. Technol. 23(5) 201 - 210 2014年9月査読有り招待有り

Two charged states of hydrogen on the SrTiO3(001) surface

Kotaro Takeyasu, Keisuke Fukada, Shohei Ogura, Masuaki Matsumoto, Katsuyuki Fukutani

JOURNAL OF CHEMICAL PHYSICS 140(8) 084703 2014年2月査読有り

Hydrogen-Induced Dipoles and Sensing Principles of Pt-Ti-O gate Si-MISFET Hydrogen Gas Sensors

Toshiyuki Usagawa, Kotaro Takeyasu, Katsuyuki Fukutani

28TH EUROPEAN CONFERENCE ON SOLID-STATE TRANSDUCERS (EUROSENSORS 2014) 87 1015 - 1018 2014年査読有り

Analytical Formula for Calculating Adsorption Density of States on Chamber Surfaces from Measured Pressure Change

Takeyasu, Kotaro, Sugimoto, Toshiki, Fukutani, Katsuyuki

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 82(11) 114602 2013年11月査読有り

Control of the surface electronic structure of SrTiO3(001) by modulation of the density of oxygen vacancies

Kotaro Takeyasu, Keisuke Fukada, Masuaki Matsumoto, Katsuyuki Fukutani

JOURNAL OF PHYSICS-CONDENSED MATTER 25(16) 162202 2013年4月査読有り

Gas dynamics in the vacuum chamber with a single adsorption site on the wall surface: Origin of the exponential pressure decay with the time constant of sub-kilo seconds

Toshiki Sugimoto, Kotaro Takeyasu, Katsuyuki Fukutani

Journal of the Vacuum Society of Japan 56(8) 322 - 329 2013年査読有り

Analysis of a pumping curve of water with the conversion equation from pressure to adsorption density of states

Kotaro Takeyasu, Toshiki Sugimoto, Katsuyuki Fukutani

Journal of the Vacuum Society of Japan 56(11) 457 - 460 2013年査読有り招待有り

Theoretical analysis of a spin-polarized atomic hydrogen beam optics

Shohei Ogura, Kotaro Takeyasu, Katsuyuki Fukutani

Journal of the Vacuum Society of Japan 54(3) 192 - 195 2011年査読有り

Structural study of clean and gas adsorbed metal surfaces by low-energy electron diffraction

K. Takeyasu, K. Fukada, S. Ogura, M. Matsumoto, K. Fukutani

SEISAN KENKYU 61(5) 945 - 948 2010年2月

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