Effects of collision between two plumes on plume expansion dynamics during pulsed laser, ablation in background gas, Ikurou Umezu, Naomichi Sakamoto, Hiroshi Fukuoka, Yasuhiro Yokoyama, Koichiro Nobuzawa and Akira Sugimura, Appl. Phys. A, 110, 629{632 (2013).
Analysis on microstructure of interface layer in DLC/Si structures produced by FIB-CVD, Naomichi Sakamoto, Yasuo Kogo, Takuya Yasuno, Jun Taniguchi, Iwao Miyamoto, Diamond Relat. Mater., 17, 1706-1709 (2008).
Influence of compressive load on microstructure of micro-scaled DLC structures produced by FIB-CVD, N. Sakamoto, Y. Kogo and T. Yasuno, J. Phys. Conf. Ser., 106, 012012 (2008).
Optimization of Processing Condition for Deposition of DLC Using FIB-CVD Method, Naomichi SAKAMOTO, Yasuo KOGO, Takahiro YAGI, Takuya YASUNO, Jun TANIGUCHI and Iwao MIYAMOTO, JSME International Journal, Series C, 49, No. 2, 361-369 (2006).
Influence of Heat Treatment on Mechanical Properties of DLC Deposited by FIB-CVD, Naomichi Sakamoto, Yasuo Kogo, Takuya Yasuno, Jun Taniguchi and Iwao Miyamoto, JSME International Journal, Series A, 48, No. 4, 275-279 (2005).
Orientation Selective Epitaxial Growth of CeO2(100) and CeO2(110) Layers on Si(100) substrates, T. Inoue, N. Sakamoto, M. Ohashi, S. Shida, A. Horikawa and Y. Sampei, J. Vac. Sci. Technol, A 22, 46-48 (2004).
Orientation selective epitaxial growth of CeO2 layers on Si(100) substrates using reactive DC magnetron sputtering with substrate bias, Tomoyasu Inoue, Masayuki Ohashi, Naomichi Sakamoto, Shigenari Shida, J. Crystal Growth, 271, 176-183 (2004).
Studies on inclined nuclei as a cause of crystallinity deterioration in epitaxial CeO2(110) layers on Si(100) substrates, Tomoyasu Inoue, Shigenari Shida, Naomichi Sakamoto, Akihiro Horikawa and Masayuki Ohashi, J. Crystal Growth, 253, 366-373 (2003).
Growth of CeO2 Films on Glass Substrates Using Electron-Beam-Assisted Evaporation, Naomichi Sakamoto, Tomoyasu Inoue, and Kazuhiro Kato, Cryst. Growth Des., 3(2), 115-116 (2003).
N-type (P,Sb) and p-type (B) doping of hydrogenated amorphous Si by reactive rf co-sputtering, Y. Ohmura, M. Takahashi, M. Suzuki, A. Emura, N. Sakamoto, T. Meguro, and Y. Yamamoto, Phys. Stat. Sol. (b), 235, 111-114 (2003).
Origin of crystalline quality deterioration in epitaxial growth of CeO2 layers on Si substrates, Tomoyasu Inoue, Nomichi Sakamoto, Akihiro Horikawa, Hirofumi Takakura, Kosei Takahashi, and Masayuki Ohashi, Sigenari Shida, J. Vac. Sci. Technol., A21, 1371-1375 (2003).
Photoluminescence properties of amorphous silicon-based oxygen and hydrogen alloys, Ikurou Umezu and Ken-ichi Yoshida, Naomichi Sakamoto, Takatoshi Murota and Yoshiaki Takashima, Mitsuru Inada, Akira Sugimura, J. Appl. Phys., 91, 2009-2013 (2002).
Effect of structure on radiative recombination processes in amorphous silicon suboxide prepared by rf sputtering, Ken'ichi Yoshida, Ikurou Umezu, Naomichi Sakamoto, Mitsuru Inada and Akira Sugimura, J. Appl. Phys., 92, 5936-5941 (2002).
P-type doping of hydrogenated amorphous silicon lms with boron by reactive radio-frequency co-sputtering, Y. Ohmura, M. Takahashi, M. Suzuki, N. Sakamoto, T. Meguro, Physica B, 308-310, 257-260 (2001).
Post hydrogenation of sputtered amorphous silicon by pressurized water boiling Naomichi Sakamoto, Yamichi Ohmura, J. Non-Cryst. Solids, 266-269, 146-149 (2000).
Surface morphology analysis in correlation with crystallinity of CeO2 (110) layers on Si(100) substrates, T. Inoue, T. Nakamura, S. Nihei, S. Kamata, N. Sakamoto and Y. Yamamoto, J. Vac. Sci. Techonol., A 18, 1613-1618 (2000).
Optical Bond Gap and Tauc Gap in a-SiOx:H and a-SiNx:H Films, Ikurou UMEZU, Ken-ichi MIYAMOTO, Naomichi SAKAMOTO and Keiji MAEDA, Jpn. J. Appl. Phys., 34, 4A, 1753-1758 (1995).
A comparative study on structural and electronic properties of PECVD a SiOx with a-SiNx, Keiji Maeda, Naomichi Sakamoto, Ikurou Umezu, J. Non-Cryst. Solids, 187, 287-290 (1995).