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物質創成科学研究科 / Graduate School of Materials Science

物質創成科学研究科 / Graduate School of Materials Science

 

最新登録資料

  • Yuyama, Ken-ichi; Ueda, Mariko; Nagao, Satoshi; Hirota, Shun; Sugiyama, Teruki; Masuhara, Hiroshi (Angewandte Chemie International Edition, 2017-05-15)
    Protein amyloids have received much attention owing to their correlation with serious diseases and to their promising mechanical and optical properties as future materials. Amyloid formation has been conducted by tuning ...
  • Riego, Patricia; Tomita, Satoshi; Murakami, Kaoru; Kodama, Toshiyuki; Hosoito, Nobuyoshi; Yanagi, Hisao; Berger, Andreas (IOP Publishing, 2017-04-19)
    We study the magneto-optical (MO) response of permalloy/silver/bismuth (Py/Ag/Bi) trilayer samples in reference to a control Py film by means of spectroscopic generalized MO ellipsometry. The trilayer structures show ...
  • Nabesaka, Kyohei; Ishikawa, Yasuaki; Hosokawa, Yoichiroh; Uraoka, Yukiharu (IOP Publishing Ltd on behalf of the Japan Society of Applied Physics., 2017-01-06)
    A ZnS microcrystal was treated with an ultrashort-pulse laser and applied to an inorganic electroluminescence (EL) phosphor. We found that the emission intensity of the EL phosphor was increased by laser-induced photomechanical ...
  • Tomita, Satoshi; Kurosawa, Hiroyuki; Sawada, Kei; Ueda, Tetsuya (American Physical Society, 2017-02-02)
    We have experimentally and numerically studied the directional birefringence of X-band microwaves by magnetochiral (MCh) effects of a single metamolecule under dc magnetic fields at room temperature. Phase and amplitude ...
  • Lee, Y. M.; Lee, S. Y.; Kim, K.; Sasaki, T.; Ahn, D.; Jung, Min-Cherl (Macmillan Publishers, 2016-12-08)
    We fabricated C-doped (1.5 wt.%) In3Sb1Te2 (CIST) thin films with amorphous phase (a-CIST) using a sputter method. Two electrical-phase-changes at 250 and 275 °C were observed in the sheet resistance measurement. In order ...
  • Matsui, Takahiro; Tomita, Satoshi; Asai, Motoki; Tadokoro, Yuzuru; Takano, Keisuke; Nakajima, Makoto; Hangyo, Masanori; Yanagi, Hisao (2016-02-18)
    Plasmonic chiral metasurfaces with pinwheel-like structures are fabricated on silver films using a focused ion-beam milling technique. In time-domain spectroscopy, we observe terahertz (THz) wave emission from metasurfaces ...
  • Kodama, Toshiyuki; Tomita, Satoshi; Hosoito, Nobuyoshi; Yanagi, Hisao (SpringerNature, 2016-01-06)
    We have succeeded in fabricating arrays of micrometer-sized, three-dimensional chiral meta-molecule (CMM) of cobalt (Co) by using a strain-driven self-coiling technique. In the arrays, the Co CMMs were fixed on a silicon ...
  • Kodama, Toshiyuki; Tomita, Satoshi; Kato, Takeshi; Oshima, Daiki; Iwata, Satoshi; Okamoto, Satoshi; Kikuchi, Nobuaki; Kitakami, Osamu; Hosoito, Nobuyoshi; Yanagi, Hisao (American Physical Society, 2016-08-24)
    We investigate the ferromagnetic resonance (FMR) of a single chiral structure of a ferromagnetic metal—the magnetochiral (MCh) metamolecule. Using a strain-driven self-coiling technique, micrometer-sized MCh metamolecules ...
  • Matsui, Fumihiko; Eguchi, Ritsuko; Nishiyama, Saki; Izumi, Masanari; Uesugi, Eri; Goto, Hidenori; Matsushita, Tomohiro; Sugita, Kenji; Daimon, Hiroshi; Hamamoto, Yuji; Hamada, Ikutaro; Morikawa, Yoshitada; Kubozono, Yoshihiro (Macmillan Publishers, 2016-11-04)
    From the C 1s and K 2p photoelectron holograms, we directly reconstructed atomic images of the cleaved surface of a bimetal-intercalated graphite superconductor, (Ca, K)C8, which differed substantially from the expected ...
  • Kobayashi, Hisashi; Nagao, Satoshi; Hirota, Shun (Wiley-VCH Verlag GmbH & Co, 2016-10-10)
    Cytochrome (cyt) c transports electrons from Complex III to Complex IV in mitochondria. Cyt c is ordinarily anchored to the mitochondrial membrane through interaction with cardiolipin (CL), however its release into the ...
  • Abdul Rahim, Nor Azura; Fujiki, Michiya (The Royal Society of Chemistry, 2016-06-10)
    An enantiopair of rigid rod-like helical polysilanes (PSi-S and PSi-R) as a photoscissible scaffold enabled the production of circularly polarised luminescence (CPL)- and circular dichroism (CD)-active di-n-octylpolyfluorene ...
  • Nonoguchi, Yoshiyuki; Nakano, Motohiro; Murayama, Tomoko; Hagino, Harutoshi; Hama, Shota; Miyazaki, Koji; Matsubara, Ryosuke; Nakamura, Masakazu; Kawai, Tsuyoshi (John Wiley and Sons, 2016-04-25)
    After more than three decades of molecular and carbon-based electronics, the creation of air- and thermally stable n-type materials remains a challenge in the development of future p/n junction devices such as solar cells ...
  • Taguchi, M.; Chainani, A.; Ueda, S.; Matsunami, M.; Ishida, Y.; Eguchi, R.; Tsuda, S.; Takata, Y.; Yabashi, M.; Tamasaku, K.; Nishino, Y.; Ishikawa, T.; Daimon, H.; Todo, S.; Tanaka, H.; Oura, M.; Senba, Y.; Ohashi, H.; Shin, S. (American Physical Society, 2015-12-17)
    We study the electronic structure of bulk single crystals and epitaxial films of Fe3O4. Fe 2p core level spectra show clear differences between hard x-ray (HAX) and soft x-ray photoemission spectroscopy (PES). The ...
  • Fujii, Mami N.; Ishikawa, Yasuaki; Miwa, Kazumoto; Okada, Hiromi; Uraoka, Yukiharu; Ono, Shimpei (Macmillan Publishers, 2015-12-18)
    The use of indium-gallium-zinc oxide (IGZO) has paved the way for high-resolution uniform displays or integrated circuits with transparent and flexible devices. However, achieving highly reliable devices that use IGZO for ...
  • Yamanaka, Masaru; Nagao, Satoshi; Komori, Hirofumi; Higuchi, Yoshiki; Hirota, Shun (John Wiley & Sons, Ltd, 2015-03-01)
    Cytochrome c555 from hyperthermophilic bacteria Aquifex aeolicus (AA cyt c555) is a hyperstable protein belonging to the cyt c protein family, which possesses a unique long 310-α-310 helix containing the heme-ligating ...
  • Nagao, Satoshi; Ishikawa, Haruto; Yamada, Takuya; Mizutani, Yasuhisa; Hirota, Shun (Springer Berlin Heidelberg, 2015-04-01)
    Myoglobin (Mb) is a monomeric oxygen storage hemoprotein, and has been shown to form a domain-swapped dimer. In this study, monomeric and dimeric carbon monoxide (CO)-bound Mb (MbCO) exhibited similar absorption spectra. ...
  • Wang, Zhonghua; Matsuo, Takashi; Nagao, Satoshi; Hirota, Shun (The Royal Society of Chemistry, 2011-04-12)
    The peroxidase activity of horse cytochrome c was enhanced by its dimerization, where its Compound III (oxy-form) and Compound I (oxoferryl porphyrin [small pi]-cation radical) species were detected in the reactions with ...
  • Takahashi, Isao; Kuroiwa, Shigeki; Lindfors, Hanna E.; Ndamba, Lionel A.; Hiruma, Yoshitaka; Yajima, Tatsuo; Okishio, Nobuyuki; Ubbink, Marcellus; Hirota, Shun (John Wiley & Sons, Ltd., 2009-04-20)
    To photomodulate the interaction of the phosphatidylinositol 3-kinase SH3 domain with a peptide ligand, a cyclic peptide (cyclic-1) with a photolabile side chain-to-side chain linker was synthesized. The conformation of ...
  • Nugraheni, AriDwi; Nagao, Satoshi; Yanagisawa, Sachiko; Ogura, Takashi; Hirota, Shun (Springer Berlin Heidelberg, 2013-03-01)
    We have previously shown that methionine-heme iron coordination is perturbed in domain-swapped dimeric horse cytochrome c. To gain insight into the effect of methionine dissociation in dimeric cytochrome c, we investigated ...
  • Hirota, Shun; Kawahara, Takumi; Beltramini, Mariano; Di Muro, Paolo; Magliozzo, Richard S.; Peisach, Jack; Powers, Linda S.; Tanaka, Naoki; Nagao, Satoshi; Bubacco, Luigi (The American Society for Biochemistry and Molecular Biology, Inc., 2008-11-14)
    Flash photolysis and K-edge x-ray absorption spectroscopy (XAS) were used to investigate the functional and structural effects of pH on the oxygen affinity of three homologous arthropod hemocyanins (Hcs). Flash photolysis ...

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