Search Results - "Matsuda, I."

Proving Nontrivial Topology of Pure Bismuth by Quantum Confinement by Ito, S, Feng, B, Arita, M, Takayama, A, Liu, R-Y, Someya, T, Chen, W-C, Iimori, T, Namatame, H, Taniguchi, M, Cheng, C-M, Tang, S-J, Komori, F, Kobayashi, K, Chiang, T-C, Matsuda, I

“…The topology of pure Bi is controversial because of its very small (∼10  meV) band gap. Here we perform high-resolution angle-resolved photoelectron…”
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They chew by night? Night‐time behaviour in a ‘ruminating’ primate, the proboscis monkey (Nasalis larvatus) by Bösch, J., McGrosky, A., Tuuga, A., Tangah, J., Clauss, M., Matsuda, I.

“…Studies of diurnal primates have long considered the nocturnal period to be a time spent merely sleeping and not effectively utilized for foraging or social…”
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Element Selectivity in Second-Harmonic Generation of GaFeO3 by a Soft-X-Ray Free-Electron Laser by Yamamoto, Sh, Omi, T, Akai, H, Kubota, Y, Takahashi, Y, Suzuki, Y, Hirata, Y, Yamamoto, K, Yukawa, R, Horiba, K, Yumoto, H, Koyama, T, Ohashi, H, Owada, S, Tono, K, Yabashi, M, Shigemasa, E, Yamamoto, S, Kotsugi, M, Wadati, H, Kumigashira, H, Arima, T, Shin, S, Matsuda, I

“…Nonlinear optical frequency conversion has been challenged to move down to the extreme ultraviolet and x-ray region. However, the extremely low signals have…”
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Interfacial carrier dynamics of graphene on SiC, traced by the full-range time-resolved core-level photoemission spectroscopy by Someya, T., Fukidome, H., Endo, N., Takahashi, K., Yamamoto, S., Matsuda, I.

“…Carrier dynamics through a heterointerface of a Dirac material and a semiconductor was studied by the measurement of the full-range time-resolved core-level…”
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Pioneering preparation and analysis of a clean surface on a microcrystal, mined by a focused ion beam by Guan, Y., Komori, F., Horio, M., Fukuda, A., Tsujikawa, Y., Ozawa, K., Kamiko, M., Nishio-Hamane, D., Kawauchi, T., Fukutani, K., Tokumoto, Y., Edagawa, K., Tamura, R., Matsuda, I.

“…Abstract We demonstrate a series of procedures to prepare a clean surface of micro-sized graphite, mined from a bulk flake and securely affixed onto a…”
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Role of spin-orbit coupling and hybridization effects in the electronic structure of ultrathin Bi films by Hirahara, T, Nagao, T, Matsuda, I, Bihlmayer, G, Chulkov, E V, Koroteev, Yu M, Echenique, P M, Saito, M, Hasegawa, S

“…The electronic structure of Bi(001) ultrathin films (thickness > or =7 bilayers) on Si(111)-7x7 was studied by angle-resolved photoemission spectroscopy and…”
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Observing soft x-ray magnetization-induced second harmonic generation at a heterojunction interface by Sumi, T., Horio, M., Senoo, T., Kubota, Y., Yamaguchi, G., Wada, T., Miyamoto, M., Yamaguchi, K., Tsujikawa, Y., Sato, Y., Niibe, M., Hirata, Y., Miyauchi, Y., Oshima, D., Kato, T., Owada, S., Tono, K., Yabashi, M., Matsuda, I.

“…Second harmonic generation (SHG) spectroscopy in the visible and infrared regions has been a useful tool to selectively probe electronic properties at surfaces…”
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Time-resolved soft X-ray core-level photoemission spectroscopy at 880°C using the pulsed laser and synchrotron radiation and the pulse heating current by Abukawa, T., Yamamoto, S., Yukawa, R., Kanzaki, S., Mukojima, K., Matsuda, I.

“…We developed a time-resolved photoemission spectroscopy system for tracking the temporal variation in an electronic state of a heated sample. Our pump-probe…”
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Electron-hole recombination on ZnO(0001) single-crystal surface studied by time-resolved soft X-ray photoelectron spectroscopy by Yukawa, R., Yamamoto, S., Ozawa, K., Emori, M., Ogawa, M., Yamamoto, Sh, Fujikawa, K., Hobara, R., Kitagawa, S., Daimon, H., Sakama, H., Matsuda, I.

“…Time-resolved soft X-ray photoelectron spectroscopy (PES) experiments were performed with time scales from picoseconds to nanoseconds to trace relaxation of…”
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Determinants of change in oral health-related quality of life over 7 years among older Japanese by Enoki, K., Ikebe, K., Matsuda, K.-I., Yoshida, M., Maeda, Y., Thomson, W. M.

“…Summary Because there are more elderly people than ever before and because they are living for longer periods of time, it is essential to understand the…”
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Photoemission Circular Dichroism and Spin Polarization of the Topological Surface States in Ultrathin Bi2Te3 Films by Xu, C-Z, Liu, Y, Yukawa, R, Zhang, L-X, Matsuda, I, Miller, T, Chiang, T-C

“…Circular dichroism (CD) observed by photoemission, being sensitive to the orbital and spin angular momenta of the electronic states, is a powerful probe of the…”
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Valence Fluctuations in Yb(Al,Fe)B4 Studied by Nanosecond-time-resolved Photoemission Spectroscopy Using Synchrotron Radiation by Okawa, M., Akikubo, K., Yamamoto, S., Matsuda, I., Saitoh, T.

“…Temporal variations of valence states of the α-YbAl1−xFexB4 crystals (x = 0, 0.013, and 0.098) are experimentally examined in a nanosecond time-scale by…”
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Hydrogen-induced surface metallization of SrTiO3(001) by D'Angelo, M, Yukawa, R, Ozawa, K, Yamamoto, S, Hirahara, T, Hasegawa, S, Silly, M G, Sirotti, F, Matsuda, I

“…Surface metallization of SrTiO3(001) by hydrogen adsorption is experimentally confirmed for the first time by photoemission spectroscopy and surface…”
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Observing hot carrier distribution in an n -type epitaxial graphene on a SiC substrate by Someya, T., Fukidome, H., Ishida, Y., Yoshida, R., Iimori, T., Yukawa, R., Akikubo, K., Yamamoto, Sh, Yamamoto, S., Yamamoto, T., Kanai, T., Funakubo, K., Suemitsu, M., Itatani, J., Komori, F., Shin, S., Matsuda, I.

“…Hot carrier dynamics in the Dirac band of n-type epitaxial graphene on a SiC substrate were traced in real time using femtosecond-time-resolved photoemission…”
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Relaxations of the surface photovoltage effect on the atomically controlled semiconductor surfaces studied by time-resolved photoemission spectroscopy by Ogawa, M., Yamamoto, S., Fujikawa, K., Hobara, R., Yukawa, R., Yamamoto, Sh, Kitagawa, S., Pierucci, D., Silly, M. G., Lin, C.-H., Liu, R.-Y., Daimon, H., Sirotti, F., Tang, S.-J., Matsuda, I.

“…We have systematically investigated relaxation of the surface photovoltage effect on the atomically controlled In/Si(111) surfaces with distinctive surface…”
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Surface-state Coulomb repulsion accelerates a metal-insulator transition in topological semimetal nanofilms by Ito, S, Arita, M, Haruyama, J, Feng, B, Chen, W-C, Namatame, H, Taniguchi, M, Cheng, C-M, Bian, G, Tang, S-J, Chiang, T-C, Sugino, O, Komori, F, Matsuda, I

“…The emergence of quantization at the nanoscale, the quantum size effect (QSE), allows flexible control of matter and is a rich source of advanced…”
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Development of an electromagnetic phase shifter using a pair of cut-core coils for a cross undulator by Matsuda, I., Kuroda, A., Miyawaki, J., Kosegawa, Y., Yamamoto, S., Seike, T., Bizen, T., Harada, Y., Tanaka, T., Kitamura, H.

“…This paper describes the development of a phase shifter that can be used in cross undulators for fast polarization switching. The phase shifter is composed of…”
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Large surface-state conductivity in ultrathin Bi films by Hirahara, T., Matsuda, I., Yamazaki, S., Miyata, N., Hasegawa, S., Nagao, T.

“…In situ microscopic-four-point probe conductivity measurements were performed for ultrathin Bi films on Si ( 111 ) - 7 × 7 . From the extrapolation of…”
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New soft X-ray beamline BL07LSU for long undulator of SPring-8: Design and status by Senba, Y., Yamamoto, S., Ohashi, H., Matsuda, I., Fujisawa, M., Harasawa, A., Okuda, T., Takahashi, S., Nariyama, N., Matsushita, T., Ohata, T., Furukawa, Y., Tanaka, T., Takeshita, K., Goto, S., Kitamura, H., Kakizaki, A., Oshima, M.

“…We report the design and current status of a soft X-ray beamline BL07LSU with a 27-m-long undulator at SPring-8. The long undulator consists of eight figure-8…”
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Anisotropic effective mass approximation model to calculate multiple subband structures at wide-gap semiconductor surfaces: Application to accumulation layers of SrTiO3 and ZnO by Yukawa, R., Ozawa, K., Yamamoto, S., Liu, R.-Y., Matsuda, I.

“…We propose a simplified theoretical model that well reproduces the dispersion curves of the multiple subbands in a two-dimensional electron gas in the…”
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