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  1. No Access

    Article

    Crystal orientation and growth anisotropy of YBa2Cu3O6+x fabricated by directional solidification method

    The unidirectional solidification by a zone-melting method was performed to investigate the growth anisotropy of YBa2Cu3O6+x (123) superconductive oxides. Large faceted interfaces were obtained at growth rates lo...

    Y. Nakamura, K. Furuya, T. Izumi, Y. Shiohara in Journal of Materials Research (1994)

  2. No Access

    Article

    NdBCO melting and solidification by a zone-melting method

    In the Nd-Ba-Cu-O system, a directional structure produced by a peritectic reaction has been observed. On heating, the sintered Nd1Ba2Cu3O6+δ (Ndl23) precursor formed a rod-like directional structure of Nd4Ba2Cu2

    X. Yao, K. Furuya, Y. Nakamura, J. Wen, A. Endoh… in Journal of Materials Research (1995)

  3. No Access

    Article

    In-situ observation of atomic processes in Xe nanocrystals embedded in al

    Self-organization processes in Xe nanocrystals embedded in Al are observed with in-situ high-resolution electron microscopy. Under electron irradiation, stacking fault type defects are produced in Xe nanocryst...

    K. Mitsuishi, M. Song, K. Furuya, R. C. Birtcher… in MRS Online Proceedings Library (1997)

  4. No Access

    Article

    Synthesis of large-size β–Si3N4 crystals

    Large-sized β–Si3N4 crystals up to 10 mm in length and 0.3 mm in diameter with low impurity concentration are successfully grown from silicon melt in a nitrogen atmosphere. By controlling the concentration of imp...

    K. Furuya, K. Matsuo, F. Munakata, Y. Akimune, J. Ye… in Journal of Materials Research (1999)

  5. No Access

    Article

    Microstructural Changes to Xenon Naonoclusters in Aluminum under 1 MeV Electron Irradiation

    Aluminum films containing solid Xe precipitates have been subjected to 1 MeV electron irradiation in a high-voltage electron microscope. High-resolution images have been recorded on videotape in order to monit...

    S. E. Donnelly, R. C. Birtcher, C. W. Allen, K. Furuya… in MRS Online Proceedings Library (2001)

  6. No Access

    Article

    Transmission Electron Microscopy and High-Resolution Transmission Electron Microscopy Study of Nanostructure and Metastable Phase Evolution in Pulsed-Laser-Ablation–Deposited Ti–Si Thin Film

    Thin films with a nominal composition close to Ti62.5Si37.5 were deposited on NaCl substrate at room temperature by pulsed laser ablation to study the evolution of the intermetallic compound Ti5Si3 using a combin...

    S. Bysakh, K. Mitsuishi, M. Song, K. Furuya… in Journal of Materials Research (2004)

  7. No Access

    Article

    Transmission electron microscopy investigation on the electron-stimulated oxidation of iron nitrides by 2-MeV electron irradiation

    An iron nitride sample was irradiated by 2-MeV electrons intermittently for 2100 s with a dose rate of 6.3 × 1024 e.m.−2 s−1 inside a 3-MV high-voltage transmission electron microscope. The electron-stimulated ox...

    Z. Q. Liu, H. Hashimoto, T. Sakata, H. Mori, M. Song… in Journal of Materials Research (2005)

  8. No Access

    Article

    In situ transmission electron microscopy investigation of radiation effects

    In situ observation is of great value in the study of radiation damage utilizing electron or ion irradiation. We summarize the facilities and give examples of work found around the world. In situ observations ...

    R. C. Birtcher, M. A. Kirk, K. Furuya, G. R. Lumpkin… in Journal of Materials Research (2005)

  9. No Access

    Article

    Electron-diffraction study on ∈-iron nitride powders with various nitrogen contents: Variation of long-range nitrogen ordering

    Homogeneous ∈-iron nitride powder particles of the compositions Fe3N1.00, Fe3N1.22, Fe3N1.30, and Fe3N1.39 were investigated using selected-area electron diffraction. The superstructure reflections, due to N orde...

    Z. Q. Liu, A. Leineweber, E. J. Mittemeijer, K. Mitsuishi… in Journal of Materials Research (2006)

  10. No Access

    Article

    What Xe Nanocrystals in Al Can Teach us in Materials Science

    Noble gases are generally very insoluble in solids. For example, Xe implanted into Al at 300 K forms a fine dispersion of crystalline precipitates and, at large enough fluence, fluid precipitates, both of whic...

    C. W. Allen, R. C. Birtcher, U. Dahmen, K. Furuya… in MRS Online Proceedings Library (2011)