Nobuyoshi Hara

Materials Electrochemistry Laboratory, Professor, Doctor of Engineering

^. Device materials chemistry: chemical vapor deposition, ion-beam-sputter deposition, plasma etching, semiconductor device-type chemical sensor

^. Materials electrochemistry: corrosion and protection, photoelectrochemistry, anodic oxidation, electrochemical sensor

^. Materials surface engineering: plasma surface modification, surface analysis, ellipsometry, electron spectroscopy

^. Corrosion-resistant alloys: stainless steel, Al-base alloys, Ti, passivity

^. N. Hara, S. Mukuhara, K. Ohtomo, Y. Shimizu, and K. Sugimoto, "Corrosion Behavior of Stainless Steel and Aluminum in a Downstream Environment of CF₄/O₂ Microwave Plasma", J. Electrochem. Soc., 149 (2002), B297-B305.

^. T. Kubota, N. Hara, and K. Sugimoto, "Real Time Spectroscopic Ellipsometry Study on Growth Processes of ZrO₂ Thin Films in Metallorganic Chemical Vapor Deposition", J. Electrochem. Soc., 148 (2001), C632-C639.

^. N. Hara, S. Nagata, N. Akao, and K. Sugimoto. "Formation of Al₂O₃-Ta₂O₅ Double-Oxide Thin Films by Low-Pressure MOCVD and Evaluation of Their Corrosion Resistances in Acid and Alkali Solutions", J. Electrochem. Soc., 146 (1999), 510-516.

^. H. Kim, N. Akao, N. Hara, and K. Sugimoto, "Comparison of Corrosion Resistances Between Fe₂O₃-TiO₂ Artificial Passivation Film and Passivation Film on Fe-Ti Alloy", J. Electrochem. Soc., 145 (1998), 2818-2826.

^. N. Hara and D. D. Macdonald, "Development of Dissolved Hydrogen Sensors Based on Yttria-Stabilized Zirconia Solid Electrolyte with Noble Metal Electrodes", J. Electrochem. Soc., 144 (1997), 4152-4157.

^. N. Hara, E. Takahashi, J. H. Yoon, and K. Sugimoto, "Ellipsometric Analysis of Growth Process and Corrosion Resistance of Nb₂O₅ Films Formed by MOCVD", J.Electrochem. Soc., 141 (1994), 1669-1674.

^. K. Sugimoto, M. Seto, S. Tanaka, and N. Hara, "Corrosion Resistance of Artificial Passivation Films of Fe₂O₃-Cr₂O₃-NiO Formed by Metalorganic Chemical Vapor Deposition", J. Electrochem. Soc., 140 (1993), 1586-1592.

^. H. H. Yang, N. Hara, and Katsuhisa Sugimoto, "On the Passive Films and Anodic Behavior of Samarium in Various Aqueous Solutions", J. Electrochem. Soc., 139 (1992), 1586-1592.

^. N. Hara and K. Sugimoto, "In Situ Analysis of Passive Films on Fe-Cr-Ni Alloy by Potential-Modulated UV-Visible Reflection Spectroscopy", J. Electrochem. Soc., 138 (1991), 1594-1599.

^. N. Hara and K. Sugimoto, "A Nb-Doped TiO₂ Semiconductor pH Sensor for Use in High-Temperature Aqueous Solutions", J. Electrochem. Soc., 137(1990), 2517-2523.

Tel: +81-22-795-7297
Fax: +81-22-795-7297
e-mail: haran@material.tohoku.ac.jp