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[1] S. Hanyu, H. Nishimura, K. Matsunaga, T. Yamamoto, Y. Ikuhara, and T. Sakuma, “High temperature deformation Behavior of 0001 symmetrical tilt Sigma 7 and Sigma 21 grain boundaries in alumina bicrystals,” Materials Transactions, 45[7], 2122-2127(2004).
[2] K. Hayashi, T. Yamamoto, Y. Ikuhara, and T. Sakuma, “Direct characterization of grain-boundary electrical activity in doped (Ba0.6Sr0.4)TiO3 by combined Imaging of electron-beam-induced current and electron-backscattered diffraction,” Journal of the American Ceramic Society, 87[6], 1153-1156(2004).
[3] H. Hiramatsu, H. Ohta, T. Suzuki, C. Honjo, Y. Ikuhara, K. Ueda, T. Kamiya, M. Hirano, and H. Hosono, “Mechanism for heteroepitaxial growth of transparent P-type semiconductor: LaCuOS by reactive solid-phase epitaxy,” Crystal Growth & Design, 4[2], 301-307(2004).
[4] S. Ii, C. Iwamoto, K. Matsunaga, T. Yamamoto, and Y. Ikuhara, “Identification of crack path fractures in sintered silicon of inter- and transgranular nitride by in situ TEM,” Journal of Electron Microscopy, 53[2], 121-127(2004).
[5] S. Ii, C. Iwamoto, K. Matsunaga, T. Yamamoto, M. Yoshiya, and Y. Ikuhara, “Direct observation of intergranular cracks in sintered silicon nitride,” Philosophical Magazine, 84[25-26], 2767-2775(2004).
[6] C. Iwamoto, K. Matsunaga, T. Yamamoto, and Y. Ikuhara, “In situ HRTEM observations of the formation of reaction phases from liquid Ag-Cu-Ti alloy and SiC, Si and C substrates,” Nanotechnology, 15[6], S398-S401(2004).
[7] T. Kato, T. Muroga, Y. Iijima, T. Saitoh, T. Hirayama, I. Hirabayashi, Y. Yamada, T. Izumi, Y. Shiohara, and Y. Ikuhara, “Transmission electron microscopy studies of a CeO2/Gd2Zr2O7 buffer layer on an Ni-based alloy for YBCO coated conductor,” Physica C-Superconductivity and Its Applications, 412, 813-818(2004).
[8] T. Kato, T. Muroga, Y. Iijima, T. Saitoh, Y. Yamada, T. Izumi, Y. Shiohara, T. Hirayama, and Y. Ikuhara, “A new method for preparing plan-view TEM specimen of multilayered films using focused ion beam,” Journal of Electron Microscopy, 53[5], 501-504(2004).
[9] A. Kuwabara, M. Nakano, H. Yoshida, Y. Ikuhara, and T. Sakuma, “Superplastic flow stress and electronic structure in yttria-stabilized tetragonal zirconia polycrystals doped with GeO2 and TiO2,” Acta Materialia, 52[19], 5563-5569(2004).
[10] A. Kuwabara, S. Yokota, Y. Ikuhara, and T. Sakuma, “Grain boundary energy and tensile ductility in superplastic cation-doped TZP, ”Materials Transactions, vol. 45, no. 7, pp. 2144-2149, Jul, 2004.
[11] J. S. Matsuda, F. Oba, T. Murata, T. Yamamoto, Y. Ikuhara, M. Mizuno, K. Nomura, T. Izumi, and Y. Shiohara, “Interfacial structures of Y123 and Nd123 films formed on MgO(001) substrates by liquid phase epitaxy,” Journal of Materials Research, 19[9], 2674-2682(2004).
[12] M. Matsuda, S. Ii, Y. Kawamura, Y. Ikuhara, and M. Nishida, “Interaction between long period stacking order phase and deformation twin in rapidly solidified Mg97Zn1Y2 alloy,” Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing, 386[1-2], 447-452(2004).
[13] K. Matsunaga, S. Ii, C. Iwamoto, T. Yamamoto, and Y. Ikuhara, “In situ observation of crack propagation in magnesium oxide ceramics,”Nanotechnology, 15[6], S376-S381(2004).
[14] K. Matsunaga, T. Mizoguchi, A. Nakamura, T. Yamamoto, and Y. Ikuhara, “Formation of titanium-solute clusters in alumina: A first-principles study,” Applied Physics Letters, 84[23], 4795-4797(2004)
[15] K. Matsunaga, A. Nakamura, T. Yamamoto, and Y. Ikuhara, “Theoretical study of defect structures in pure and titanium-doped alumina, ”Solid State Ionics, 172[1-4], 155-158(2004)
[16] T. Mizoguchi, M. Sakurai, A. Nakamura, K. Matsunaga, I. Tanaka, T. Yamamoto, and Y. Ikuhara, “Valence state of Ti in conductive nanowires in sapphire,” Physical Review B, 70[15], 153101(2004).
[17] H. Nagayama, H. Yoshida, Y. Ikuhara, and T. Sakuma, “Effect of GeO2 and NdO1.5 co-doping on high-temperature ductility in TZP, ”Materials Transactions, 45[8], 2564-2568(2004).
[18] T. G. Nieh, C. Iwamoto, Y. Ikuhara, K. W. Lee, and Y. W. Chung, “Comparative studies of crystallization of a bulk Zr-Al-Ti-Cu-Ni amorphous alloy,” Intermetallics, 12[10-11], 1183-1189(2004).
[19] M. Nishi, T. Tanaka, K. Matsunaga, Y. Ikuhara, and T. Yamamoto, “Non-linear current-voltage property across Sigma 5(210) symmetric tilt boundary in Nb-doped SrTiO3 bicrystal,” Materials Transactions, 45[7], 2112-2116(2004).
[20] K. Nomura, H. Ohta, K. Ueda, T. Kamiya, M. Orita, M. Hirano, T. Suzuki, C. Honjyo, Y. Ikuhara, and H. Hosono, “Growth mechanism for single-crystalline thin film of InGaO3(ZnO)(5) by reactive solid-phase epitaxy,” Journal of Applied Physics, 95[10], 5532-5539(2004).
[21] F. Oba, H. Ohta, Y. Sato, H. Hosono, T. Yamamoto, and Y. Ikuhara, “Atomic structure of 0001 -tilt grain boundaries in ZnO: A high-resolution TEM study of fiber-textured thin films,” Physical Review B, 70[12], 125415(2004).
[22] F. Oba, Y. Sugawara, K. Hasegawa, T. Izumi, Y. Shiohara, T. Hirayama, T. Yamamoto, and Y. Ikuhara, “Effectiveness of BaZrO3 buffer layer in SmBa2Cu3Oy epitaxial growth on MgO substrate: A first-principles study,” Journal of Applied Physics, 95[5], 2309-2318(2004).
[23] T. Ohno, S. Ii, N. Shibata, K. Matsunaga, Y. Ikuhara, and T. Yamamoto, “High resolution Microscopy study for 001 symmetric tilt boundary with a tilt angle of 66 degrees in rutile-type TiO2 bicrystal,” Materials Transactions, 45[7], 2117-2121(2004).
[24] K. Otsuka, K. Matsunaga, A. Nakamura, S. Ji, A. Kuwabara, T. Yamamoto, and Y. Ikuhara, “Effects of dislocations on the oxygen ionic conduction in yttria stabilized zirconia,” Materials Transactions, 45[7], 2042-2047(2004).
[25] T. Sasaki, K. Matsunaga, H. Ohta, H. Hosono, T. Yamamoto, and Y. Ikuhara, “Atomic and electronic structures of Ni/YSZ(111) interface,”Materials Transactions, 45[7], 2137-2143(2004).
[26] Y. Sato, T. Mizoguchi, F. Oba, M. Yodogawa, T. Yamamoto, and Y. Ikuhara, “Identification of native defects around grain boundary in Pr-doped ZnO bicrystal using electron energy loss spectroscopy and first-principles calculations,” Applied Physics Letters, 84[26], 5311-5313(2004).
[27] Y. Sato, F. Oba, M. Yodogawa, T. Yamamoto, and Y. Ikuhara, “Grain boundary dependency of nonlinear current-voltage characteristics in Pr and Co doped ZnO bicrystals,” Journal of Applied Physics, 95[3], 1258-1264(2004).
[28] N. Shibata, F. Oba, T. Yamamoto, and Y. Ikuhara, “Structure, energy and solute segregation behaviour of 110 symmetric tilt grain boundaries in yttria-stabilized cubic zirconia,” Philosophical Magazine, 84[23], 2381-2415(2004).
[29] I. Tanaka, and Y. Ikuhara, “Special issue on grain boundaries, interfaces, defects and localized quantum structures in ceramics,” Materials Transactions, 45[7], 1963-1963(2004).
[30] S. Tanaka, R. Yang, M. Kohyama, T. Sasaki, K. Matsunaga, and Y. Ikuhara, “First-principles characterization of atomic structure of Al2O3(0001)/Cu nano-hetero interface,” Materials Transactions, 45[7], 1973-1977(2004).
[31] T. Yamamoto, T. Hirayama, K. Fukunaga, and Y. Ikuhara, “Electron holographic studies of irradiation damage in BaTiO3,” Nanotechnology, 15[9], 1324-1327(2004).
[32] H. Yoshida, Y. Ikuhara, and T. Sakuma, “High temperature plastic deformation related to grain boundary chemistry in cation-doped alumina,” Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing, 387, 723-727(2004).
[33] H. Yoshida, Y. Ikuhara, T. Sakuma, M. Sakurai, and E. Matsubara, “X-ray absorption fine-structure study on the fine structure of lutetium segregated at grain boundaries in fine-grained polycrystalline alumina,” Philosophical Magazine, 84[9], 865-876(2004).
[34] H. Yoshida, K. Yokoyama, N. Shibata, Y. Ikuhara, and T. Sakuma, “High-temperature grain boundary and grain boundary energy in cubic sliding behavior zirconia bicrystals,” Acta Materialia, 52[8], 2349-2357(2004).フォームの終わり