Search Results - "Umebayashi, T."

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  1. 1

    Band gap narrowing of titanium dioxide by sulfur doping by Umebayashi, T., Yamaki, T., Itoh, H., Asai, K.

    Published in Applied physics letters (15-07-2002)
    “…Titanium dioxide (TiO2) doped with sulfur (S) was synthesized by oxidation annealing of titanium disulfide (TiS2). According to the x-ray diffraction patterns,…”
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    Journal Article
  2. 2

    Fabrication and characterization of C-doped anatase TiO2 photocatalysts by CHOI, Yeongsoo, UMEBAYASHI, T, YOSHIKAWA, M

    Published in Journal of materials science (01-03-2004)
    “…Titanium dioxide (TiO2) has attracted great attention as a photocatalyst due to its excellent photochemical properties, non-toxicity and low cost. TiO2 appears…”
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    Journal Article
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    A 1/4-inch 8Mpixel back-illuminated stacked CMOS image sensor by Sukegawa, S., Umebayashi, T., Nakajima, T., Kawanobe, H., Koseki, K., Hirota, I., Haruta, T., Kasai, M., Fukumoto, K., Wakano, T., Inoue, K., Takahashi, H., Nagano, T., Nitta, Y., Hirayama, T., Fukushima, N.

    “…In recent years, cellphone cameras have come to require much more diversification and increased functionalities, due to the strong growth of the smartphone…”
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    Conference Proceeding
  5. 5

    Fluorine-doping in titanium dioxide by ion implantation technique by Yamaki, T., Umebayashi, T., Sumita, T., Yamamoto, S., Maekawa, M., Kawasuso, A., Itoh, H.

    “…We implanted 200 keV F + in single crystalline titanium dioxide (TiO 2) rutile at a nominal fluence of 1 × 10 16 to 1 × 10 17 ions cm −2 and then thermally…”
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    Journal Article
  6. 6

    Optimal conditions for visualizing water-conducting pathways in a living tree by the dye injection method by Umebayashi, T, Utsumi, Y, Koga, S, Inoue, S, Shiiba, Y, Arakawa, K, Matsumura, J, Oda, K

    Published in Tree physiology (01-07-2007)
    “…To elucidate the water-conducting pathways in living trees by the dye injection method, suitable sample preparation procedures are needed. We evaluated…”
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    Journal Article
  7. 7

    Fabrication and characterization of anatase TiO2 thin film on glass substrate grown by pulsed laser deposition by CHOI, Y

    Published in Solid state ionics (01-08-2004)
    “…Titanium dioxide (TiO2) films were prepared on glass substrates by pulsed laser deposition using a titanium carbide (TiC) target. The effects of substrate…”
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    Journal Article
  8. 8

    Analog In-memory Computing in FeFET-based 1T1R Array for Edge AI Applications by Saito, D., Kobayashi, T., Koga, H., Ronchi, N., Banerjee, K., Shuto, Y., Okuno, J., Konishi, K., Di Piazza, L., Mallik, A., Van Houdt, J., Tsukamoto, M., Ohkuri, K., Umebayashi, T., Ezaki, T.

    Published in 2021 Symposium on VLSI Circuits (13-06-2021)
    “…Deep neural network (DNN) inference for edge AI requires low-power operation, which can be achieved by implementing massively parallel matrix-vector…”
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    Conference Proceeding
  9. 9

    DNA Vaccine against Hamster Oral Papillomavirus-associated Oral Cancer by Maeda, H, Kubo, K, Sugita, Y, Miyamoto, Y, Komatsu, S, Takeuchi, S, Umebayashi, T, Morikawa, S, Kawanishi, K, Kameyama, Y

    Published in Journal of international medical research (01-11-2005)
    “…Previously we developed a carcinogenesis model involving the combination of 9, 10-dimethyl-1, 2-benzanthracene (DMBA) application with physical wounding of…”
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    Journal Article
  10. 10

    UV-ray photoelectron and ab initio band calculation studies on electronic structures of Cr- or Nb-ion implanted titanium dioxide by Umebayashi, T., Yamaki, T., Sumita, T., Yamamoto, S., Tanaka, S., Asai, K.

    “…The electronic structure of TiO 2 doped with Cr or Nb by ion implantation is investigated by UPS and ab initio band calculations. Rutile TiO 2 was implanted…”
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    Journal Article
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    Fabrication of TiO2 photocatalysts by oxidative annealing of TiC by CHOI, Y, UMEBAYASHI, T, YAMAMOTO, S, TANAKA, S

    Published in Journal of materials science letters (01-09-2003)
    “…Titanium dioxide (TiO2) has been used in many products and applications because it has long-term stability, no toxicity and a broad functionality. Since the…”
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    Journal Article
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    Dissipation of magnetic fields in very dense interstellar clouds – I. Formulation and conditions for efficient dissipation by Nakano, Takenori, Umebayashi, Toyoharu

    “…The drift velocity VB of magnetic fields relative to the fluid is obtained by solving the motions of many kinds of charged particles. Any closed curve moving…”
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    Journal Article
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    Visible Light-Induced Degradation of Methylene Blue on S-doped TiO2 by Umebayashi, Tsutomu, Yamaki, Tetsuya, Tanaka, Sigeru, Asai, Keisuke

    Published in Chemistry letters (01-04-2003)
    “…A sulfur (S)-doped titanium dioxide (TiO2) photocatalyst was synthesized by oxidative annealing of titanium disulfide (TiS2). TiS2 turned into anatase TiO2…”
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    Journal Article