Search Results - "Matsushita, Akiyuki"

Refine Results
  1. 1

    One-pot synthesis of monoclinic ZrO2 nanocrystals under subcritical hydrothermal conditions by Taguchi, Minori, Nakane, Takayuki, Matsushita, Akiyuki, Sakka, Yoshio, Uchikoshi, Tetsuo, Funazukuri, Toshitaka, Naka, Takashi

    Published in The Journal of supercritical fluids (01-01-2014)
    “…•ZrO2 nanocrystals from a ZrO(NO3)2 precursor were synthesized by a one-pot hydrothermal method utilizing subcritical water.•The reaction temperature and time…”
    Get full text
    Journal Article
  2. 2

    Structural, physical and photocatalytic properties of mixed-valence double-perovskite Ba2Pr(Bi,Sb)O6 semiconductor synthesized by citrate pyrolysis technique by Sato, Arisa, Matsukawa, Michaki, Taniguchi, Haruka, Tsuji, Shunsuke, Nishidate, Kazume, Aisawa, Sumio, Matsushita, Akiyuki, Zhang, Kun

    Published in Solid state sciences (01-09-2020)
    “…We demonstrated crystal structures, magnetic, optical, and photocatalytic properties of the B-site substituted double perovskite Ba2Pr(Bi1–xSbx)O6 (x = 0, 0.1,…”
    Get full text
    Journal Article
  3. 3

    Water adsorption onto Y and V sites at the surface of the YVO4 photocatalyst and related electronic properties by Oshikiri, Mitsutake, Boero, Mauro, Matsushita, Akiyuki, Ye, Jinhua

    Published in The Journal of chemical physics (21-07-2009)
    “…The dynamics of water molecules and the adsorption properties at the V and Y sites on the surface of the photocatalyst YVO(4) have been investigated by first…”
    Get more information
    Journal Article
  4. 4

    Compressibility and polygonization of single-walled carbon nanotubes under hydrostatic pressure by Tang, J, Qin, LC, Sasaki, T, Yudasaka, M, Matsushita, A, Iijima, S

    Published in Physical review letters (28-08-2000)
    “…Single-walled carbon nanotubes show linear elasticity under hydrostatic pressure up to 1.5 GPa at room temperature. The volume compressibility, measured by in…”
    Get full text
    Journal Article
  5. 5

    Tuning the Curie temperature and thermal hysteresis of giant magnetocaloric (MnFe)2PX (X = Ge and Si) compounds by the Ru substitution by Wada, Hirofumi, Nakamura, Koshi, Katagiri, Kodai, Ohnishi, Takayuki, Yamashita, Keiichiro, Matsushita, Akiyuki

    Published in Japanese Journal of Applied Physics (15-05-2014)
    “…Effects of the Ru substitution on magnetocaloric properties have been studied for MnFeP0.8Ge0.2 and Mn1.2Fe0.8P0.5Si0.5. The parent compounds undergo a…”
    Get full text
    Journal Article
  6. 6

    Chemical composition and magnetic property modifications of Na2Ti2Sb2O using PTFE as an alkali–metal ion extraction reagent by Ozawa, Tadashi C., Naka, Takashi, Matsushita, Akiyuki, Kauzlarich, Susan M., Sasaki, Takayoshi

    Published in Journal of fluorine chemistry (01-12-2014)
    “…Performance of polytetrafluoroethylene (PTFE) as a reagent to deintercalate Na+ from a highly air- and solvent-sensitive compound Na2Ti2Sb2O2 has been studied…”
    Get full text
    Journal Article
  7. 7

    Electronic properties and crystal structures of double-perovskites, Ba2BiIIIBiVO6,Ba2PrBiO6, and Ba2PrSbO6: First-principles study by Nishidate, Kazume, Adiko, Achy, Matsukawa, Michiaki, Taniguchi, Haruka, Sato, Arisa, Matsushita, Akiyuki, Tanibayashi, Satoru, Hasegawa, Masayuki

    Published in Materials research express (10-06-2020)
    “…In recent experiments, a significant band gap widening was observed when Sb was substituted for Bi in the double-perovskite Ba2PrBiO6. In this work, we study a…”
    Get full text
    Journal Article
  8. 8

    Valence States of Rare-Earth Ions and Band Gaps in RBiBa2O6 (R = La, Ce, Pr, Nd, Sm, Gd, Eu, and Dy) Photocatalysts by Matsushita, Akiyuki, Nakane, Takayuki, Naka, Takashi, Isago, Hiroaki, Yamada, Yoshihiro, Yamada, Yuh

    Published in Jpn J Appl Phys (25-12-2012)
    “…We have measured magnetic susceptibility, powder X-ray diffraction (XRD), and diffuse reflectance spectra of RBiBa 2 O 6 (R = La, Ce, Pr, Nd, Sm, Gd, Eu, and…”
    Get full text
    Journal Article
  9. 9

    Water molecule adsorption properties on surfaces of MVO4 (M = In, Y, Bi) photo-catalysts by Oshikiri, M., Boero, Mauro, Matsushita, Akiyuki, Ye, Jinhua

    Published in Journal of electroceramics (01-02-2009)
    “…Water molecule adsorption properties at the surface of InVO 4 , YVO 4 , and BiVO 4 , which have indicated promising photocatalytic properties, have been…”
    Get full text
    Journal Article
  10. 10

    Dissociation of water molecule at three-fold oxygen coordinated V site on the InVO4 (0 0 1) surface by OSHIKIRI, Mitsutake, BOERO, Mauro, MATSUSHITA, Akiyuki, JINHUA YE

    Published in Applied surface science (01-11-2008)
    “…Water molecule adsorption properties at the surface of InVO4 have been investigated using an ab initio molecular dynamics approach. It was found that the water…”
    Get full text
    Conference Proceeding Journal Article
  11. 11

    Solvatochromic Shift of Phthalocyanine Q-band Governed by a Single Solvent Parameter by Isago, Hiroaki, Kagaya, Yutaka, Matsushita, Akiyuki

    Published in Chemistry letters (01-07-2004)
    “…Position of the main optical absorption band (Q-band) in electronic spectra of some trans-[M(Pc)L2]k (Pc = substituted or unsubstituted phthalocyaninate, M =…”
    Get full text
    Journal Article
  12. 12

    Physical properties of a new cuprate superconductor Pr2Ba4Cu7O15-δ by Matsushita, Akiyuki, Fukuda, Kazunori, Yamada, Yuh, Ishikawa, Fumihiro, Sekiya, Syun, Hedo, Masato, Naka, Takashi

    “…We present studies of the thermal, magnetic, and electrical transport properties of reduced polycrystalline Pr 2 Ba 4 Cu 7 O 15−δ (Pr247) showing a…”
    Get full text
    Journal Article
  13. 13

    Transport properties of heusler compounds Fe3-xVxAl by NAKAMA, Takao, TAKAESU, Yoshinao, YAGASAKI, Katsuma, NAKA, Takashi, MATSUSHITA, Akiyuki, FUKUDA, Kazunori, YAMADA, Yuh

    Published in Journal of the Physical Society of Japan (01-05-2005)
    “…The electrical resistivity ρ and thermopower S of Heusler compounds Fe3-xVxAl have been measured at the temperature range from 1.5 to 300 K at magnetic fields…”
    Get full text
    Journal Article
  14. 14

    Synthesis of a Nitrogen-Doped TiO2 (Rutile) Single Crystal and Its p-Type Behaviors by Matsushita, Akiyuki, Shimoda, Masahiko, Naka, Takashi, Yamada, Yuh

    Published in Jpn J Appl Phys (01-02-2011)
    “…We have synthesized nitrogen-doped (N-doped) TiO 2 (rutile) single crystals by annealing in a 1.0 MPa N 2 atmosphere after reduction treatment. Transmittance,…”
    Get full text
    Journal Article
  15. 15

    Pressure-Induced Metal-Insulator Transition in the Itinerant Antiferromagnet Nb12−xTixO29 (x=0 and 0.2) by Naka, Takashi, Nakane, Takayuki, Furukawa, Yuji, Adschiri, Tadafumi, Matsushita, Akiyuki

    Published in MATERIALS TRANSACTIONS (2006)
    “…We have carried out resistivity measurements on itinerant antiferromagnets Nb12−xTixO29 (x=0 and 0.2) under pressure up to 2.5 GPa in order to investigate the…”
    Get full text
    Journal Article
  16. 16
  17. 17

    Structural, optical, and photocatalytic properties of rare-earth free double-perovskite oxides Ba2Bi3+(Bi1−2x5+Sb2x5+)O6 by Roy, Dayal Chandra, Matsukawa, Michiaki, Arakida, Minami, Sakou, Hanako, Hata, Kazuto, Nishidate, Kazume, Aisawa, Sumio, Yamamoto, Hajime, Matsushita, Akiyuki

    Published in Solid state communications (01-11-2023)
    “…We present the structural, optical, and photocatalytic properties of rare-earth free double-perovskite compounds Ba2Bi3+(Bi1−2x5+Sb2x5+)O6 (x= 0, 0.1, 0.2,…”
    Get full text
    Journal Article
  18. 18
  19. 19

    Observation of the First Spin Crossover in an Iron(II) Complex with an S6 Coordination Environment: Tris[bis(N,N‐diethylamino)carbeniumdithiocarboxylato]iron(II) Hexafluorophosphate by Sugaya, Tomoaki, Fujihara, Takashi, Naka, Takashi, Furubayashi, Takao, Matsushita, Akiyuki, Isago, Hiroaki, Nagasawa, Akira

    Published in Chemistry : a European journal (05-12-2018)
    “…For the first time, the spin‐crossover (SCO) phenomenon has been observed in an FeII–S6 system in a tris(chelate)‐type iron(II) complex with a zwitterionic…”
    Get full text
    Journal Article
  20. 20