papers in 2011

2011年研究発表一覧


研究論文(学術誌に掲載されたもの)

Takeya Okuno, Takayoshi Oshima, Sam-Dong Lee and Shizuo Fujita
``Growth of SnO2 crystalline thin films by mist chemical vapour deposition method"
Physica Status Solidi (c), Vol.8, Iss.2, pp.540-542, Feb. 2011.

Takumi Ikenoue, Naoki Kameyama and Shizuo Fujita
``Fabrication of PEDOT:PSS/ZnMgO Schottky-type ultraviolet sensors on glass substrates with solution-based mist deposition technique and hard-mask patterning"
Physica Status Solidi (c), Vol.8, Iss.2, pp.613-615, Feb. 2011.

Jinchun Piao, Shigetaka Katori, Takumi Ikenoue, and Shizuo Fujita
"Ultrasonic spray-assisted solution-based vapor-deposition of aluminum tris(8-hydroxyquinoline) thin films"
Japanese Journal of Applied Physics, Vol.50, No.2, 020204(3pages), Feb. 2011.

Yudai Kamada, Shizuo Fujita, Takahiro Hiramatsu*, Tokiyoshi Matsuda*, Mamoru Furuta*, and Takashi Hirao*
(*Kochi University ofTechnology)
``Effects of chemical stoichiometry of channel region on bias instability in ZnO thin-film transistors"
Applied Physics Letters, Vol.98, Iss.10, 103512(3pages), Mar. 2011.

Yudai Kamada, Shizuo Fujita, Mutsumi Kimura*, Takahiro Hiramatsu**, Tokiyoshi Matsuda**, Mamoru Furuta**, and Takashi Hirao**
(*Ryukoku University, **Kochi University ofTechnology)
``Reduction of photo-leakage current in ZnO thin-film transistors with dual-gate structure"
IEEE Electron Device Letters, Vol.32, Iss.4, pp.509-511, Apr. 2011.

Shigetaka Katori, Nobuo Satoh, Masayuki Yahiro, Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige, and Shizuo Fujita
``Surface potential measurement of tris(8-hydroxyquinolinato)aluminum and bis[N-(1-naphthyl)-N-phenyl]benzidine thin films fabricated on indium-tin oxide by Kelvin probe force microscopy"
Japanese Journal of Applied Physics, Vol.50, No.7, 071601(4pages), July 2011.

Mutsumi Kimura*, Mamoru Furuta**, Yudai Kamada, Takahiro Hiramatsu**, Tokiyoshi Matsuda**, Hiroshi Furuta**, Chayang Li**, Shizuo Fujita, and Takashi Hirao**
(*Ryukoku University, **Kochi University of Technology)
``Extraction of trap densities in ZnO thin-film transistors and dependence on oxygen partial pressure during sputtering of ZnO films"
IEEE Transactions on Electron Devices, Vol.58, No.9, pp.3018-3024, Sept. 2011.

Mamoru Furuta*, Yudai Kamada, Mutsumi Kimura**, Shin-ichi Shimakawa*, Toshiyuki Kawaharamura*, Dapeng Wang*, Chaoyang Li*, Shizuo Fujita, Takashi Hirao*
(*Kochi University of Technology, **Ryukoku University)
``Photocurrent and persistent photoconductivity in zinc oxide thin-film transistors under UV-light irradiation"
Japanese Journal of Applied Physics, Vol.50, No.11, 110204(3pages), Nov. 2011.

Yudai Kamada, Mamoru Furuta*, Takahiro Hiramatsu*, Toshiyuki Kawaharamura*, Dapeng Wang*, Shin-ichi Shimakawa*, Chaoyang Li*, Shizuo Fujita, and Takashi Hirao*
(*Kochi University of Technology, **Ryukoku University)
``Study on oxygen source and its effect on film properties of ZnO deposited by radio frequency magnetron sputtering"
Applied Surface Science, Vol.258, Iss.2, pp.695-699, Nov. 2011

井川拓, 金子健太郎, 藤田静雄
``超音波噴霧ミストCVD法によるリチウム系酸化物の成膜"
材料, 第60巻, 第11号, 994-997頁, 2011年11月.


研究論文(プロシーディングス等に掲載されたもの)


解説

藤田静雄
``ZnOの基本物性と光デバイス応用"
レーザー研究, 第39巻, 第3号, 165-170頁, 2011年3月.


国際会議等発表

Shizuo Fujita, Kentaro Kaneko, Hiroshi Ito, Yutaka Fukui, and Taichi Nomura
``Functional oxide semiconductors as green materials with green chemistry (Invited)"
Workshop on Frontier Photonic and Electronic Materials and Devices, 2011 German-Japanese-Spanish Joint Workshop, Granada, Spain (Mar.16-18, 2011) [oral, Mar. 17].

Takumi Ikenoue, Naoki Kameyama, and Shizuo Fujita
``Demonstration of tunable ultraviolet sensors with PEDOT:PSS/ZnMgO Schottky contacts fabricated by all mist-deposition method"
38th Int. Symp. Compound Semiconductors, Berlin, Germany (May 22-26, 2011) #P5.72 [poster, May 23].

Toshiyuki Kawaharamura*, Hiroyuki Orita**, Takahiro Shirahata**, Akio Yoshida**, Shizuo Fujita, and Takashi Hirao**
*Kochi University of Technology, **Toshiba Mitsubishi-Electric Industrial Systems Corporation
``Influence of annealing under reducing ambient on properties of ZnO thin films prepared by mist deposition"
38th Int. Symp. Compound Semiconductors, Berlin, Germany (May 22-26, 2011) #We-1B.2 [oral, May 25].

Shizuo Fujita, Kentaro Kaneko, Yutaka Fukui, Taichi Nomura, Hiroshi Ito, Sam-Dong Lee, and Shigetaka Katori
``Mist deposition technique as a green-chemical-route for oxide thin films and nanostructures"
International Conference on Materials and Advanced Technologies, Singapore (June 26-July 1, 2011) #A2.2-5 [oral, June 27].

Shigetaka Katori, Nobuo Satoh, Kei Kobayashi, Kazumi Matsushige, Hirofumi Yamada, and Shizuo Fujita
``Evaluation of surface potential of CuPc/C60 thin film fabricated on ITO electrode by using FM-KFM technique"
International Conference on Materials and Advanced Technologies, Singapore (June 26-July 1, 2011) #R8-5 [oral, June 30].

Shizuo Fujita, Kentaro Kaneko, Takayoshi Oshima, Hiroshi Ito, Takumi Ikenoue, and Takuto Igawa
``Growth, characterization, and device applications of various oxide semiconductors (invited)"
15th Int. Conf. II-VI Compounds, Mayan Riviera, Mexico (Aug. 21-26, 2011) #Thu-Inv11 [oral, Aug. 25].

Kentaro Kaneko and Shizuo Fujita
``Ferromagnetic properties of α-Fe2O3 and α-(GaFe)2O3 thin films"
European Materials Research Society 2011 Fall Meeting, Warsaw, Poland (Sept. 19-23, 2011) #H3.4 [oral, Sept. 19].

Kentaro Kaneko and Shizuo Fujita
``TEM observation of α-(GaFe)2O3/α-Al2O3 interface"
European Materials Research Society 2011 Fall Meeting, Warsaw, Poland (Sept. 19-23, 2011) #H5.98 [poster, Sept. 19].

Daisuke Harata, Kentaro Kaneko, and Shizuo Fujita
``Vapor deposition of Li2O-TiO2 anode thin films for all solid Li-ion battery"
European Materials Research Society 2011 Fall Meeting, Warsaw, Poland (Sept. 19-23, 2011) #K2.2 [oral, Sept. 19].

Shizuo Fujita, Takumi Ikenoue, Kentaro Kaneko, Hiroshi Ito, Takuto Igawa, Jinchun Piao, Sam-Dong Lee, and Shigetaka Katori
`Solution-source vapor-phase synthesis of oxide and organic thin films (invited)"
IUPAC 7th Int. Conf. Novel Materials and Synthesis, Shanghai, China, (Oct. 16-21, 2011) #IL21 [oral, Oct. 17].

Kentaro Kaneko and Shizuo Fujita
``Strain relaxation at the interface resulting in high-quality α-Ga2O3 layers on sapphire substrates"
15th Int. Conf. Thin Films, Kyoto, Japan, (Nov. 8-11, 2011) #O-S1-08 [oral, Nov. 8].

Hiroshi Ito, Kentaro Kaneko, and Shizuo Fujita
``Fabrication of α-(AlGa)2O3 thin films by ultrasonic atomization Mist-CVD"
15th Int. Conf. Thin Films, Kyoto, Japan, (Nov. 8-11, 2011) #O-S1-15 [oral, Nov. 8].

Kentaro Kaneko and Shizuo Fujita
``Ferromagnetic properties of α-(GaFe)2O3 and In2O3-Fe2O3 alloy thin films"
15th Int. Conf. Thin Films, Kyoto, Japan, (Nov. 8-11, 2011) #P-S12-07 [poster, Nov. 9].

Shizuo Fujita, Kentaro Kaneko, Takumi Ikenoue, Hiroshi Ito, Jinchun Piao, Sam-Dong Lee, and Shigetaka Katori
``Solution-based vapor deposition of oxide and organic thin films (invited)"
2nd Int. Conf. Green & Sustainable Chemistry, Singapore (Nov.14-16, 2011) Session K [oral, Nov. 15].

Takumi Ikenoue and Shizuo Fujita
``Thin film formation of transparent conductive oxides and organic materials by solution-based mist deposition method toward hybrid device applications"
2011 Materials Research Society Fall Meeting, Boston, USA (Nov.28-Dec.2, 2011) #S2.5 [oral, Nov.29].

Shizuo Fujita, Kentaro Kaneko, Takumi Ikenoue, Hiroshi Ito, Takuto Igawa, Jinchun Piao, Sam-Dong Lee, and Shigetaka Katori
``Solution-based vapor deposition of green materials: oxides and organic thin films and nanomaterials (invited)"
2011 Materials Research Society Fall Meeting, Boston, USA (Nov.28-Dec.2, 2011) #D7.1 [oral, Nov. 30].

Takumi Ikenoue and Shizuo Fujita
``Fabrication of organic polymer solar cells by a novel solution-based vapor-like mist deposition method"
2011 Materials Research Society Fall Meeting, Boston, USA (Nov.28-Dec.2, 2011) #H8.4 [oral, Nov.30].

Jinchun Piao, Shigetaka Katori, Takumi Ikenoue and Shizuo Fujita
``Ultrasonic spray-assisted solution-based vapor-deposition of functional thin films and their applications"
2011 Materials Research Society Fall Meeting, Boston, USA (Nov.28-Dec.2, 2011) #S6.19 [poster, Nov.30].

Toshiyuki Kawaharamura*, Hiroyuki Orita**, Takahiro Shirahata**, Takashi Hirao*, and Shizuo Fujita
(*Kochi University of Technology, **Toshiba Mitsubishi-Electric Industrial Systems Corp.)
``Green processes of ZnO transparent conducting thin films with mist CVD"
2011 Materials Research Society Fall Meeting, Boston, USA (Nov.28-Dec.2, 2011) #M13.11 [poster, Dec. 1].


その他

伊藤大師,金子健太郎,藤田静雄
``超音波噴霧ミストCVD法によるYSZ基板上β-Ga2O3薄膜の作製"
2011年春季第58回応用物理学関係連合講演会, 神奈川工科大学, (2011年3月24日-27日) 25a-BS-27.

金子健太郎,藤田静雄
``c面サファイア基板上α-Ga2O3薄膜の断面および平面TEM観察"
2011年春季第58回応用物理学関係連合講演会, 神奈川工科大学, (2011年3月24日-27日) 25a-BS-28.

川原村敏幸1,織田容征2,白幡孝洋2,吉田章男2,藤田静雄,平尾孝1
1高知工科大学, 2東芝三菱電機産業システム(株)
``ミスト法を用いた薄膜成長に関する反応メカニズムの解析"
2011年春季第58回応用物理学関係連合講演会, 神奈川工科大学, (2011年3月24日-27日) 25a-BS-30.

金子健太郎,藤田静雄
``新規強磁性半導体α-Ga2O3薄膜の磁気特性評価及び断面TEM観察"
2011年秋季第72回応用物理学会学術講演会, 山形大学, (2011年8月29日-9月2日) 31p-N-8.

伊藤大師,金子健太郎,藤田静雄
``超音波噴霧ミストCVD法によるα-(AlGa)2O3薄膜の作製"
2011年秋季第72回応用物理学会学術講演会, 山形大学, (2011年8月29日-9月2日) 31p-N-9.