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  1. No Access

    Article

    Systematic theoretical investigation of a positron binding to amino acid molecules using the ab initio multi-component molecular orbital approach

    The feature of positron binding to twenty neutral amino acid molecules with the global minimum (GM) and intramoleculear hydrogen-bonded (HB) structures was analysed using the ab initio multi-component molecula...

    K. Koyanagi, Y. Kita, M. Tachikawa in The European Physical Journal D (2012)

  2. No Access

    Chapter

    Plasma-Enhanced Chemical Vapor Deposition of FSG and a-C:F Low-k Materials

    Although multilevel interconnection technology is a key to the production of high-performance ultra-large-scale integration (ULSI) circuits, the shrinking design rule of ULSI circuits has recently increased th...

    K. Endo, K. Kishimoto, Y. Matsubara… in Low Dielectric Constant Materials for IC A… (2003)

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    Article

    Perioperative Course in Two Cases of Tetralogy of Fallot with Portal Venous Atresia

    We report here two rare surgical cases of tetralogy of Fallot with portal venous atresia. Both patients, previously diagnosed with tetralogy of Fallot, developed portal hypertension and showed hematemesis and/...

    T. Hishitani, K. Hoshino, K. Ogawa, K. Koyanagi, Y. Nakamura in Pediatric Cardiology (2002)

  4. No Access

    Article

    Aluminum Wiring Reliability of Fluorinated Amorphous Carbon Interlayer

    We investigated the aluminum wiring reliability of fluorinated amorphous carbon (a-C:F) interlayer dielectrics (ILD) using electromigration tests at the wafer level under accelerated stress conditions with cur...

    M. Iguchi, Y. Matsubara, S. Ito, K. Endo, K. Koyanagi… in MRS Online Proceedings Library (1998)

  5. No Access

    Chapter

    Strain Effects in “in Situ” Processed Nb3Sn Conductors

    The strain effects and mechanical properties in “in situ” processed Nb3Sn conductors have been investigated in relation to the parameters specifying the fabrication conditions. The effects of these parameters are...

    M. Fukumoto, K. Katagiri, T. Okada… in Advances in Cryogenic Engineering Material… (1986)

  6. No Access

    Chapter

    Degradation of Copper Stabilizer in a Superconducting Wire Induced by Cyclic Stressing at Cryogenic Temperature

    For the long-term operation of high field pulsed superconducting magnet, increase in electrical resistivity of stabilizer in the superconducting wire is one of the significant damages resulted from repeated st...

    K. Katagiri, K. Koyanagi, M. Fukumoto… in Advances in Cryogenic Engineering Material… (1984)

  7. No Access

    Article

    Dislocation structures adjacent to fatigue crack tips propagating at high rates in copper and 70/30 brass

    K. Katagiri, J. Awatani, K. Koyanagi, Y. Onishi, M. Tsuji in Metallurgical Transactions A (1980)

  8. No Access

    Article

    Early stage crack tip dislocation morphology in fatigued copper

    Observations of dislocation structures around the fatigue cracks in the early stage in polycrystalline copper were made through an ultrahigh voltage electron microscope operating at 2000 kV. Ladder like struct...

    K. Katagiri, A. Omura, K. Koyanagi, J. Awatani… in Metallurgical Transactions A (1977)