論文

• S. K. Singh, H. Ishiwara, K. Sato, K. Maruyama. Microstructure and frequency dependent electrical properties of Mn-substituted BiFeO₃ thin films, J. Appl. Phys., Vol. 102, p. 094109(5pages), Nov. 2007.
• S.K.Singh, N.Menou, H.Funakubo, K.Maruyama, H.Ishiwara. (111)-textured Mn-substituted BiFeO₃ thin films on SrRuO₃/Pt/Ti/SiO₂/Si structures, Appl. Phys. Lett., Vol. 90, p. 242914 (3pages), June 2007.
• S.K.Singh, K.Maruyama, H.Ishiwara. The influence of La-substitution on the micro-structure and ferroelectric properties of chemical-solution-deposited BiFeO₃ thin films, J. Phys. D: Appl. Phys., Vol. 40, pp. 2705-2709, Apr. 2007.
• SINGH SUSHIL KUMAR, H.Ishiwara. Site engineering in chemical-solution-deposited Bi_3.25La_0.75Ti₃O₁₂ thin films using Ce, Zr, Mn and Si atoms, J. Sol-Gel Sci. Technol., Feb. 2007.
• kumar singh_sushil, Nicolas Menou, HIROSHI FUNAKUBO, K. Maruyama, HIROSHI ISHIWARA. “(111)-textured Mn-substituted BiFeO3 thin films on SrRuO3 /Pt/Ti/SiO2/Si structures”, Appl. Phys. Lett., Vol. 90, pp. 242914-1-3., 2007.
• kumar singh_sushil, HIROSHI ISHIWARA. Bottom electrodes dependence of ferroelectric properties in epitaxial BiFeO₃/SrRuO₃/SrTiO₃ structures, Integrated Ferroelectrics, Vol. 87, pp. 42-49, 2007.
• S.K.Singh, K.Maruyama, H.Ishiwara. Reduced leakage current in La and Ni codoped BiFeO₃ thin films, Appl. Phys. Lett., Vol. 91, p. 112913 (3pages), 2007.
• S.K.Singh, K.Maruyama, H.Ishiwara. Room temperature ferroelectric properties of SrBi₂Ta₂O₉- and (Bi, La)₄Ti₃O₁₂-incorporated BiFeO₃ thin films, Integrated Ferroelectrics, Vol. 84, pp. 115-120, 2006.
• kumar singh_sushil, HIROSHI ISHIWARA. Excellent room-temperature ferroelectricity in Mn-substituted BiFeO₃ thin films formed by chemical solution deposition, Mater. Res. Soc. Symp. Proc., Vol. 933, p. G03-03 (5pages), 2006.
• kumar singh_sushil, HIROSHI ISHIWARA. Improved fatigue endurance in Mn-doped Bi_3.25La_0.75Ti₃O₁₂ thin films, Solid State Communications, Vol. 140, pp. 430-434, 2006.
• kumar singh_sushil, S.K.Singh H.Ishiwara. Micro-structure and ferroelectric properties of BiFeO₃ thin films formed on Pt-coated R-plane sapphire substrates, J. Electrocramics, Vol. 16, pp. 553-556, 2006.

国際会議発表 (査読有り)

• S.K.Singh, K.Maruyama, H.Ishiwara. Enhanced electrical properties by co-doping of La, Mn and Cr atoms in BiFeO₃ thin films, 5th IUMRS Intern. Conf. on Advanced Materials, 5th IUMRS Intern. Conf. on Advanced Materials, Vol. C-Oral-13, Oct. 2007.
• S.K.Singh, K.Sato, K.Maruyama, H.Ishiwara. Frequency dependent polarization in pure and doped BiFeO₃ thin films prepared by chemical solution deposition, 19th Intern. Sympo. on Integrated Ferroelectrics, 19th Intern. Sympo. on Integrated Ferroelectrics, Vol. 5D-209-C, May 2007.
• Z-Y.Zhong, S.K.Singh, K.Maruyama, H.Ishiwara. Ferroelectric properties of Mn-substituted BiFeO₃ thin films on Ir electrodes, 16th IEEE Intern. Sympo. on Applications of Ferroelectrics, 16th IEEE Intern. Sympo. on Applications of Ferroelectrics, Vol. 28A-TF1-O3, No. Proc., pp. 376-379, May 2007.
• S.K.Singh, Y-K.Kim, H.Funakubo, H.Ishiwara. Epitaxial BiFeO₃ multiferroic thin films fabricated by chemical solution deposition, IUMRS Intern. Conf. in Asia, IUMRS Intern. Conf. in Asia, Vol. 6-O-15, Sept. 2006.

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