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  1. No Access

    Article

    Characterization of lattice mosaic of a-plane GaN grown on r-plane sapphire by metalorganic vapor-phase epitaxy

    Nonpolar a-plane GaN films were grown on r-plane sapphire substrates by atmospheric metalorganic vapor-phase epitaxy. The as-grown layers were studied by high-resolution x-ray diffraction. The a-plane GaN lattice...

    K. Kusakabe, S. Ando, K. Ohkawa in MRS Online Proceedings Library (2005)

  2. No Access

    Article

    Structural and Optical Properties of β-FeSi2/Si(100) Prepared by Laser Ablation Method

    β-FeSi2 is a promising material for the application of various electronic, optoelectronic and energy devices. We present here the semiconducting properties of β-FeSi2 films on Si(100) substrate prepared by laser ...

    H. Kakemoto, Y. Makita, A. Obara, Y. Tsai, S. Sakuragi… in MRS Online Proceedings Library (1997)

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    Chapter

    Growth of low dimensional structures for optical application

    Small hexagonal AlGaAs/GaAs double heterostructures of 2~12 µm across bounded by (110) facets have been grown on a GaAs (111)B substrate by preferential metalorganic vapor phase epitaxy. The formation of (110)...

    Y. Horikoshi, S. Ando, H. Ando, N. Kobayashi in Low Dimensional Structures Prepared by Epi… (1995)

  4. No Access

    Article

    Microstructural modifications in an explosively welded Ti/Ti clad material: II. Deformation structures around bonding interface

    The residual deformation structures around the bonding interface in an explosively welded Ti/Ti clad material have been studied by optical microscopy and transmission electron microscopy (TEM). The microstruct...

    M. Nishida, A. Chiba, S. Ando, K. Imamura, H. Minato in Metallurgical Transactions A (1993)

  5. No Access

    Article

    Property Control of New Fluorinated Copolyimides and their Applications

    New fluorinated copolyimides are synthesized with 2,2′-bis(trifluoromethyl)-4,4′-diaminobiphenyl (TFDB) and a mixture of 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride (6FDA) and pyromellitic dianhy...

    S. Sasaki, T. Matsuura, S. Nishi, S. Ando in MRS Online Proceedings Library (1991)

  6. No Access

    Article

    Effect of oxide scale on carbon deposition on Fe-Ni alloys in carburizing gas

    The behavior of carbon deposition on preoxidized Fe-Ni alloys containing 0 to 57.0 mass pct Ni in 10 pct CH4-H2 mixture at 1203 K was studied by metallography and thermogravimetry. Nickel retarded carburization a...

    S. Ando, H. Kimura in Metallurgical Transactions A (1991)

  7. No Access

    Article

    Oxidation of molten copper matte

    An amount of 80 mg of molten copper matte of a pseudo-ternary Cu2S-FeS-Fe system contained in a slender alumina sample tube was oxidized at 1503 and 1533 K in a mixed O2-Ar gas stream and the oxidation path was f...

    Z. Asaki, S. Ando, Y. Kondo in Metallurgical Transactions B (1988)