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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

  • 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 ...
  • Wang, Zhonghua; Ando, Yuki; Nugraheni, Ari Dwi; Ren, Chunguang; Nagao, Satoshi; Hirota, Shun (The Royal Society of Chemistry, 2014-09-01)
    Met80 of cytochrome c (cyt c) has been shown to dissociate from its heme iron when cyt c interacts with cardiolipin (CL), which triggers the release of cyt c into the cytosol initiating apoptosis. We found that the mass ...

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