Search Results - "Kazuyuki Sakamoto, Kazuyuki Sakamoto"

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    Tuning the Fermi surface of In/Si(111)-(7×3) by CuPc adsorption by Sagehashi, Ryunosuke, Kobayashi, Takahiro, Uchihashi, Takashi, Sakamoto, Kazuyuki

    Published in Surface science (01-03-2021)
    “…•Organic molecules induced doping in atomic layer materials formed on solid surfaces•Controlling the charge states by the coverage of organic…”
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    Journal Article
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    On-Surface Synthesis of Polyene-Linked Porphyrin Cooligomer by Sun, Kewei, Ishikawa, Atsushi, Itaya, Ryota, Toichi, Yuichiro, Yamakado, Takuya, Osuka, Atsuhiro, Tanaka, Takayuki, Sakamoto, Kazuyuki, Kawai, Shigeki

    Published in ACS nano (28-05-2024)
    “…π-Conjugated molecules are viewed as fundamental components in forthcoming molecular nanoelectronics in which semiconducting functional units are linked to…”
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    Journal Article
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    Atomic-layer Rashba-type superconductor protected by dynamic spin-momentum locking by Yoshizawa, Shunsuke, Kobayashi, Takahiro, Nakata, Yoshitaka, Yaji, Koichiro, Yokota, Kenta, Komori, Fumio, Shin, Shik, Sakamoto, Kazuyuki, Uchihashi, Takashi

    Published in Nature communications (05-03-2021)
    “…Spin-momentum locking is essential to the spin-split Fermi surfaces of inversion-symmetry broken materials, which are caused by either Rashba-type or…”
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    Journal Article
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    Completion of all the ITER toroidal field coil structures by Kajitani, Hideki, Hemmi, Tsutomu, Iguchi, Masahide, Sakurai, Takeru, Takano, Katsutoshi, Tsutsumi, Fumiaki, Saito, Kengo, Sakamoto, Kazuyuki, Tanaka, Nobuhiko, Nakahira, Masataka, Isono, Takaaki

    Published in Nuclear fusion (01-09-2024)
    “…All 19 ITER toroidal field coil structures (TFCSs) were successfully fabricated by the Japan Domestic Agency with solving technical challenges. This study…”
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    Journal Article
  5. 5

    The actual electronic band structure of a rubrene single crystal by Nitta, Jun, Miwa, Kazumoto, Komiya, Naoki, Annese, Emilia, Fujii, Jun, Ono, Shimpei, Sakamoto, Kazuyuki

    Published in Scientific reports (04-07-2019)
    “…A proper understanding on the charge mobility in organic materials is one of the key factors to realize highly functionalized organic semiconductor devices. So…”
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    Controlled Modification of Superconductivity in Epitaxial Atomic Layer–Organic Molecule Heterostructures by Yoshizawa, Shunsuke, Minamitani, Emi, Vijayaraghavan, Saranyan, Mishra, Puneet, Takagi, Yasumasa, Yokoyama, Toshihiko, Oba, Hiroaki, Nitta, Jun, Sakamoto, Kazuyuki, Watanabe, Satoshi, Nakayama, Tomonobu, Uchihashi, Takashi

    Published in Nano letters (12-04-2017)
    “…Self-assembled organic molecules can potentially be an excellent source of charge and spin for two-dimensional (2D) atomic-layer superconductors. Here we…”
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    Band gap states of copper phthalocyanine thin films induced by nitrogen exposure by Sueyoshi, Tomoki, Kakuta, Haruya, Ono, Masaki, Sakamoto, Kazuyuki, Kera, Satoshi, Ueno, Nobuo

    Published in Applied physics letters (01-03-2010)
    “…The impact of 1 atm N2 gas exposure on the electronic states of copper phthalocyanine thin films was investigated using ultrahigh-sensitivity ultraviolet…”
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  9. 9

    FePc/Metal Interfaces Driven by the Electronic States of Different Low-Dimensional Ag Structures Formed on Si(111) by Annese, Emilia, Rosi, Agnese, Fujii, Jun, Sakamoto, Kazuyuki

    Published in Journal of physical chemistry. C (27-08-2015)
    “…The characteristic electronic structure of low-dimensional Ag structures on semiconductor, i.e., Si(111)-√3 × √3-Ag superstructure and Ag quantum well state…”
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  10. 10

    Electronic structures of the highest occupied molecular orbital bands of a pentacene ultrathin film by Kakuta, Haruya, Hirahara, Toru, Matsuda, Iwao, Nagao, Tadaaki, Hasegawa, Shuji, Ueno, Nobuo, Sakamoto, Kazuyuki

    Published in Physical review letters (15-06-2007)
    “…We report the energy dispersions of the highest occupied molecular orbitals (HOMO)-derived bands of a pentacene (Pn) thin film, whose in-plane structure…”
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    Abrupt rotation of the Rashba spin to the direction perpendicular to the surface by Sakamoto, Kazuyuki, Oda, Tatsuki, Kimura, Akio, Miyamoto, Koji, Tsujikawa, Masahito, Imai, Ayako, Ueno, Nobuo, Namatame, Hirofumi, Taniguchi, Masaki, Eriksson, P E J, Uhrberg, R I G

    Published in Physical review letters (06-03-2009)
    “…The polarization vector of the Rashba spin, which must be parallel to the two-dimensional (2D) plane in an ideal system, is found to change abruptly and…”
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    Valley spin polarization by using the extraordinary Rashba effect on silicon by Sakamoto, Kazuyuki, Kim, Tae-Hwan, Kuzumaki, Takuya, Müller, Beate, Yamamoto, Yuta, Ohtaka, Minoru, Osiecki, Jacek R., Miyamoto, Koji, Takeichi, Yasuo, Harasawa, Ayumi, Stolwijk, Sebastian D., Schmidt, Anke B., Fujii, Jun, Uhrberg, R. I. G., Donath, Markus, Yeom, Han Woong, Oda, Tatsuki

    Published in Nature communications (28-06-2013)
    “…The addition of the valley degree of freedom to a two-dimensional spin-polarized electronic system provides the opportunity to multiply the functionality of…”
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    Highly Ordered Cobalt–Phthalocyanine Chains on Fractional Atomic Steps: One-Dimensionality and Electron Hybridization by Tanaka, Yusuke, Mishra, Puneet, Tateishi, Ryusei, Cuong, Nguyen Thanh, Orita, Hideo, Otani, Minoru, Nakayama, Tomonobu, Uchihashi, Takashi, Sakamoto, Kazuyuki

    Published in ACS nano (26-02-2013)
    “…Precisely controlled fabrication of low-dimensional molecular structures with tailored morphologies and electronic properties is at the heart of the…”
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  17. 17

    Re-investigation of the Bi-induced Si(111)-( 3 × 3 ) surfaces by low-energy electron diffraction by Kuzumaki, Takuya, Shirasawa, Tetsuroh, Mizuno, Seigi, Ueno, Nobuo, Tochihara, Hiroshi, Sakamoto, Kazuyuki

    Published in Surface science (15-06-2010)
    “…The atomic structures of the Bi/Si(111)-( 3 × 3 ) reconstructed surfaces obtained at different adsorbate coverages were studied by dynamical low-energy…”
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    Energy band and electron-vibration coupling in organic thin films: photoelectron spectroscopy as a powerful tool for studying the charge transport by Ueno, Nobuo, Kera, Satoshi, Sakamoto, Kazuyuki, Okudaira, Koji. K.

    “…This article describes the origins of the width of the highest occupied molecular orbital (HOMO) state observed in the ultraviolet photoemission spectra (UPS)…”
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    Journal Article Conference Proceeding