Journal Paper

• Takayoshi Katase, Yoshihiro Ishimaru, Akira Tsukamoto, Hidenori Hiramatsu, Toshio Kamiya, Keiichi Tanabe, Hideo Hosono. Advantageous grain boundaries in iron pnictide superconductors, Nat. Commun, Vol. 2, No. 409, pp. 1-6, Aug. 2011.
• Takayoshi Katase, Hidenori Hiramatsu, Vladimir Matias, Chris Sheehan, Yoshihiro Ishimaru, Toshio Kamiya, Keiichi Tanabe, Hideo Hosono. Biaxially textured cobalt-doped BaFe₂As₂ films with high critical current density over 1 MA/cm² on MgO-buffered metal-tape flexible substrates, Appl. Phys. Lett., Vol. 98, pp. 242510-1 - 3, June 2011.
• S. Mohan, T. Taen, H. Yagyuda, Y. Nakajima, T. Tamegai, T. Katase, H. Hiramatsu, H. Hosono. Characterization of epitaxial Co-doped BaFe₂As₂ thin films, Physica C, Vol. 471, pp. 1181-1184, May 2011.
• D. Nakamura, T. Akiike, H. Takahashi, F. Nabeshima, Y. Imai, A. Maeda, T. Katase, H. Hiramatsu, H. Hosono, S. Komiya, I. Tsukada. Terahertz conductivity measurement of FeSe_0.5Te_0.5 and Co-doped BaFe₂As₂ thin films, Physica C, Vol. 471, pp. 634-638, May 2011.
• B. Maiorov, T. Katase, S. A. Baily, H. Hiramatsu, T. G. Holesinger, H. Hosono, L. Civale. Liquid vortex phase and strong c-axis pinning in low anisotropy BaCo_xFe_2-xAs₂ pnictide films, Supercond. Sci. Technol, Vol. 24, pp. 055007-1 - 6, Feb. 2011.

International Conference (Reviewed)

• Y. Imai, F. Nabeshima, D. Nakamura, T. Katase, H. Hiramatsu, H. Hosono, A. Maeda. THZ Conductivity of Ba(Fe1-XCoX)2As2 Thin Films, International Conference on Novel SuperConductivity in Taiwan 2011 (ICNSCT 2011), Aug. 2011.
• Y. Imai, D. Nakamura, F. Nabeshima, T. Katase, H. Hiramatsu, M. Hanawa, I. Tsukada, H. Hosono, A. Maeda. THz conductivity measurements of Ba(Fe1-xCox)2As2 and FeSe1-xTex films, 26th International Conference on Low Temperature Physics (LT26), Aug. 2011.
• Hidenori Hiramatsu, Takayoshi Katase, Chris Sheehan, Vladimir Matias, Yoshihiro Ishimaru, Toshio Kamiya, Keiichi Tanabe, Hideo Hosono. Iron Pnictide Films on Metal Tape Substrates with High Critical Current Density, International Conference on Novel SuperConductivity in Taiwan 2011 (ICNSCT 2011), Aug. 2011.
• D. Nakamura, F. Nabeshima, Y. Imai, A. Maeda, T. Katase, H. Hiramatsu, H. Hosono. Doping dependence of Ba(Fe1-xCox)2As2 thin films by the THz conductivity measurement, APS March Meeting 2011, Mar. 2011.
• Hidenori Hiramatsu, Takayoshi Katase, Keiichi Tanabe, Hideo Hosono. Critical currents and grain boundaries in iron pnictide epitaxial films, The 2011 Villa Conference on Iron Pnictide Superconductors (VCIPS 2011), 2011.
• A. Maeda, D. Nakamura, F. Nabeshima, Y. Imai, T. Katase, H. Hiramatsu, H. Hosono. THz conductivity of underdoped and optimally-doped Ba(Fe1-xCox)2As2 thin films, International Workshop on Novel Superconductors and Super Materials 2011 (NS22011), 2011.
• H. Hiramatsu, T. Katase, Y. Ishimaru, A. Tsukamoto, T. Kamiya, K. Tanabe, H. Hosono. Critical Current Density across Bicrystal Grain Boundary in Fe-based Superconductor Cobalt-Doped BaFe2As2, 5th Int. Conf. Sci. Technol. for Advanced Ceramics (STAC5) - 2nd Int. Conf. Advanced Materials Development and Integration (AMDI2), 2011.
• B. Maiorov, T. Katase, H. Hiramatsu, H. Hosono, L. Civale. Angular dependence of the critical current and vortex phase diagram in Co-doped BaFe2As2 films with strong pinning, APS March Meeting 2011, 2011.
• H. Hiramatsu, T. Katase, T. Kamiya, H. Hosono, Y. Ishimaru, A. Tsukamoto, K. Tanabe. High Critical Angle of Strong Link – Weak Link Transition in Co-Doped BaFe2As2, International Workshop on Novel Superconductors and Super Materials 2011 (NS22011), 2011.
• Hidenori Hiramatsu, Takayoshi Katase, Chris Sheehan, Vladimir Matias, Yoshihiro Ishimaru, Akira Tsukamoto, Toshio Kamiya, KeiichiTanabe, Hideo Hosono. Grain boundary transport properties and high Jc films on metal substrates of BaFe2As2:Co, Superconductivity Centennial Conference 2011 (EUCAS-ISEC-ICMC 2011), 2011.
• T. Katase, Y. Ishimaru, A. Tsukamoto, H. Hiramatsu, T. Kamiya, K. Tanabe, H. Hosono. Josephson junction with Fe-based superconductor Co doped BaFe2As2 epitaxial film, Applied Superconductivity Conference, 2011.
• T. Katase, Y. Ishimaru, A. Tsukamoto, H. Hiramatsu, A. Tsukamoto, K. Tanabe, H. Hosono. Bicrystal grain boundary junction of Fe-based superconductor Co-doped BaFe2As2, The 15th Japan-US Workshop on Advanced Superconductors, 2011.
• T. Katase, Y. Ishimaru, A. Tsukamoto, H. Hiramatsu, T. Kamiya, K. Tanabe, H. Hosono. Robust grain boundary nature of iron pnictide Superconductors, Mater. Res. Soc. Spring Meeting, 2011.

Domestic Conference (Reviewed)

• Takayoshi Katase, 石丸喜康, 塚本晃, hidenori hiramatsu, TOSHIO KAMIYA, 田辺圭一, HIDEO HOSONO. 鉄系超伝導体Co添加BaFe2As2エピタキシャル薄膜の粒界特性, 2011年春季 第58回応用物理学会関係連合講演会, 2011.
• hidenori hiramatsu, Takayoshi Katase, ヴラディミル マティアス, クリス シーハン, 石丸喜康, TOSHIO KAMIYA, 田辺圭一, HIDEO HOSONO. 金属テープ基板上への高臨界電流密度Co添加BaFe2As2薄膜の作製, 第72回応用物理学会学術講演会, 2011.
• 今井良宗, 鍋島冬樹, 中村大輔, Takayoshi Katase, hidenori hiramatsu, HIDEO HOSONO, 前田京剛. テラヘルツ伝導度からみたBa(Fe1-xCox)2As2の準粒子ダイナミクス, 日本物理学会2011年秋季大会, 2011.
• Takayoshi Katase, hidenori hiramatsu, TOSHIO KAMIYA, HIDEO HOSONO. High critical current density 4MA/cm2 in Co-doped BaFe2As2 epitaxial films grown on (La,Sr)(Al,Ta)3 substrates without buffer layers, 2011年秋季 第72回応用物理学会学術講演会, 2011.

International Conference (Not reviewed / Unknown)

• Daiki Ojima, Kazunari Shima, Hidenori Hiramatsu, Hideo Hosono, Katsuro Hayashi. Low Temperature Processes for Oxide Thin Films using Novel Ceramic Atomic-Oxygen Source, 15th International Conference on Thin Films, 2011, Nov. 2011.
• Daiki Ojima, Kazunari Shima, Tetsuya Chiba, Hidenori Hiramatsu, Hideo Hosono, Katsuro Hayashi. Downsized Ceramic Atomic Oxygen Generator and Its Application to Fabrication of TiO₂:N Films, The Fifth International Conference on the Science and Technology for Advanced Ceramics (STAC-5), June 2011.

Domestic Conference (Not reviewed / Unknown)

• Daiki Ojima, Kazunari Shima, Tetsuya Chiba, hidenori hiramatsu, HIDEO HOSONO, KATSURO HAYASHI. セラミック型原子状酸素源の小型化と N添加TiO₂薄膜作成への応用, 応用物理学会2011秋季, Aug. 2011.

Other Publication

• hidenori hiramatsu, 田辺圭一, HIDEO HOSONO. 鉄系超伝導体BaFe₂As₂エピタキシャル薄膜の粒界特性と超伝導デバイス, セラミックデータブック2011/12 （工業製品技術協会（株式会社 テクノプラザ）, ISBN: 4-905959-93-X), Vol. 39, pp. 54-57, Dec. 2011.

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