Faculty Members

Professor
YAMAMOTO, Tetsuya

Year of birth: 1959
Gender: Male
Job titles: Head, Materials Design Center
Affiliation:

- Research Institute
- Materials Design Center, Research Institute
Personal web site: http://www.ele.kochi-tech.ac.jp/yamateko/

Areas of specialization
Laboratory/research office	Materials Design Center Our area of expertise is in the condensed matter physics, film growth technology, the development of film growth apparatus, solid state crystallization, characterization, and first-principles calculations of wide-band-gap semiconductors such as ZnO, In2O3, GaN, AlN, and ZnS. We propose a concept for the governing factors that induce the generation of oxide-specific functions, and develop our own ideas to achieve tailored functional oxide (T-FOX) films.
Current research topics
Educational background
Professional background
Licenses
Academic societies

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Courses

* Courses provided in English are shown with (E) mark

Undergraduate school
Graduate school	Advanced Seminar 1 Advanced Seminar 2

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Research activities

Research papers	Authors: YAMAMOTO Naoki, Makino Hisao, Yamamoto Tetsuya Title: Young’s Modulus and Coefficient of Linear Thermal Expansion of ZnO Conductive and Transparent Ultra-Thin Films Journal: Advances in Materials Science and Engineering, Vol. 2011 Year: 2011 Authors: YAMAMOTO Naoki, Makino Hisao, Sato Yasushi, Yamamoto Tetsuya Title: Development of Ga–doped ZnO Transparent Electrodes as Alternatives for ITO Electrodes in Liquid Crystal Displays Journal: the SID 2011 digest of technical papers, pp. 1375-1378 Year: 2011 Authors: YAMAMOTO Naoki, Makino Hisao, Sato Yasushi, Yamamoto Tetsuya Title: Controlled Formation of ZnO Fine-Pattern Transparent Electrodes by Wet-Chemical Etching Journal: ECS Transactions, Vol. 35, No. Issue: 8 , pp. 165-172 Year: 2011 Authors: YAMAMOTO Naoki, Makino Hisao, Osone Satoshi, Ujihara Akira, Ito Takahiro, Hokari Hitoshi, Maruyama Taketo, Yamamoto Tetsuya Title: Development of Ga-doped ZnO Transparent Electrodes for Liquid Crystal Display Panels Journal: Thin Solid Films Year: 2011 Authors: H. Makino, T. Yamada, N. Yamamoto, T. Yamamoto Title: Effects of the O2 flow rate and post-deposition thermal annealing on the optical absorption spectra of Ga-doped ZnO films Journal: Thin Solid Films, Vol. 519, No. 5, pp. 1521-1524 Year: 2010 Authors: YAMAMOTO Naoki, Yamada Takahiro, Makino Hisao, Yamamoto Tetsuya Title: Heat Resistance of Ga-Doped ZnO Thin Films for Application as Transparent Electrodes in Liquid Crystal Displays Journal: J. Electrochem. Soc., Vol. 157, pp. J13-J20 Year: 2010 Authors: H. Makino, S. Kishimoto, A. Miyake, T. Yamada, N. Yamamoto, T. Yamamoto Title: Influence of substrate temperature and Zn-precursors on atomic layer deposition of polycrystalline ZnO films on glass, H. Makino, A. Miyake, T. Yamada, N. Yamamoto, T. Yamamoto, Journal: Thin Solid Films, Vol. 517, p. 3138 Year: 2009 Authors: Hisao Makino, Naoki Yamamoto, Aki Miyake, Takahiro Yamada, Yoshinori Hirashima, Hiroaki Iwaoka, Takahiro Itoh, Hitoshi Hokari, Hisashi Aoki, Tetsuya Yamamoto Title: Influence of thermal annealing on electrical and optical properties of Ga-doped ZnO thin films Journal: Thin Solid Films, Vol. 518, pp. 1386-1389 Year: 2009 Authors: H. Makino, S. Kishimoto, A. Miyake, T. Yamada, N. Yamamoto, T. Yamamoto Title: Effects of surface pretreatment on growth of ZnO on glass substrate Journal: phys. stat. sol. (a), Vol. 205, No. 8, pp. 1971-1974 Year: 2008 Authors: YAMAMOTO Naoki, Yamada Takahiro, Miyake Aki, Makino Hisao, Kishimoto Seiichi, Yamamoto Tetsuya Title: Relationship between Residual stress and Crystallographic Structure in Ga-doped ZnO Film Journal: J. Electrochem. Soc., Vol. 155, No. 9, pp. J221-J225 Year: 2008 Authors: Tetsuya Yamamoto, Takahiro Yamada, Aki Miyake, Toshiyuki Morizane, Tooru Arimitsu, Hisao Makino, Naoki Yamamoto Title: Properties of Transparent Conductive Ga-Doped ZnO Films on Glass, PMMA and COP Substrates Journal: Invited Paper, IEICE TRANSACTIONS on Electronics, Vol. E91-C, No. 10, pp. 1547-1553 Year: 2008 Authors: Takahiro Yamada, Aki Miyake, Seiichi Kishimoto, Hisao Makino, Naoki Yamamoto, Tetsuya Yamamoto Title: Low resistivity Ga-doped ZnO thin films of less than 100nm thickness prepared by ion-plating with direct current arc discharge Journal: APPLIED PHYSICS LETTERS, Vol. 91, p. 051915 Year: 2007 Authors: Seiichi Kishimoto, Takahiro Yamada, Keigo Ikeda, Hisao Makino, Tetsuya Yamamoto Title: Effects of oxygen partial pressure on film growth and electrical properties of undoped ZnO films with thichness below 100nm Journal: Surface & Coatings Technology, Vol. 201, pp. 4000-4003 Year: 2006 Authors: Tetsuya Yamamoto, Tooru Mitsunaga, Minoru Osada, Keigo Ikeda, Seiichi Kishimoto, Kiyoshi Awai, Hisao Makino, Takahiro Yamada, Toshiyuki Sakemi, Sho Shirakata Title: “Effects of oxygen-gas flow rate on lattice dynamics and microstructures for Ga-doped ZnO thin films prepared by reactive plasma deposition Journal: Superlattices and Microstructures, Vol. 38, pp. 369-376 Year: 2005 Authors: Tetsuya Yamamoto, Toshiyuki Sakemi, Kiyoshi Awai, Sho Shirakata Title: Dependance of carrier concentrations on oxygen pressure for Ga-doped ZnO prepared by ion plating method Journal: Thin SolidFilms, Vol. 451, pp. 439-442 Year: 2004 Authors: Tetsuya Yamamoto Title: Control of N-Impurity States in N-Doped ZnO, ZnS and ZnTe Journal: Jpn. J. Appl. Phys., Vol. 42, pp. L514-L516 Year: 2003 Authors: Tetsuya Yamamoto Title: Codoping for the fabrication of p-type ZnO Journal: Thin Solid Films, Vol. 420-421, pp. 100-106 Year: 2002
Grants-in-Aid for Scientific Research from the Japanese government	Project title: Hydrogen gas sensors having high sensitivity achieved by control of chemical states of adsorbed oxygen species Category: Grant-in-Aid for Scientific Research (A) Project number: 24241025 Project period: 2012-2014 Total budget amount: 26,130,000 yen Keywords:

Research papers

Authors: YAMAMOTO Naoki, Makino Hisao, Yamamoto Tetsuya
Title: Young’s Modulus and Coefficient of Linear Thermal Expansion of ZnO Conductive and Transparent Ultra-Thin Films
Journal: Advances in Materials Science and Engineering, Vol. 2011
Year: 2011
Authors: YAMAMOTO Naoki, Makino Hisao, Sato Yasushi, Yamamoto Tetsuya
Title: Development of Ga–doped ZnO Transparent Electrodes as Alternatives for ITO Electrodes in Liquid Crystal Displays
Journal: the SID 2011 digest of technical papers, pp. 1375-1378
Year: 2011
Authors: YAMAMOTO Naoki, Makino Hisao, Sato Yasushi, Yamamoto Tetsuya
Title: Controlled Formation of ZnO Fine-Pattern Transparent Electrodes by Wet-Chemical Etching
Journal: ECS Transactions, Vol. 35, No. Issue: 8 , pp. 165-172
Year: 2011
Authors: YAMAMOTO Naoki, Makino Hisao, Osone Satoshi, Ujihara Akira, Ito Takahiro, Hokari Hitoshi, Maruyama Taketo, Yamamoto Tetsuya
Title: Development of Ga-doped ZnO Transparent Electrodes for Liquid Crystal Display Panels
Journal: Thin Solid Films
Year: 2011
Authors: H. Makino, T. Yamada, N. Yamamoto, T. Yamamoto
Title: Effects of the O2 flow rate and post-deposition thermal annealing on the optical absorption spectra of Ga-doped ZnO films
Journal: Thin Solid Films, Vol. 519, No. 5, pp. 1521-1524
Year: 2010
Authors: YAMAMOTO Naoki, Yamada Takahiro, Makino Hisao, Yamamoto Tetsuya
Title: Heat Resistance of Ga-Doped ZnO Thin Films for Application as Transparent Electrodes in Liquid Crystal Displays
Journal: J. Electrochem. Soc., Vol. 157, pp. J13-J20
Year: 2010
Authors: H. Makino, S. Kishimoto, A. Miyake, T. Yamada, N. Yamamoto, T. Yamamoto
Title: Influence of substrate temperature and Zn-precursors on atomic layer deposition of polycrystalline ZnO films on glass, H. Makino, A. Miyake, T. Yamada, N. Yamamoto, T. Yamamoto,
Journal: Thin Solid Films, Vol. 517, p. 3138
Year: 2009
Authors: Hisao Makino, Naoki Yamamoto, Aki Miyake, Takahiro Yamada, Yoshinori Hirashima, Hiroaki Iwaoka, Takahiro Itoh, Hitoshi Hokari, Hisashi Aoki, Tetsuya Yamamoto
Title: Influence of thermal annealing on electrical and optical properties of Ga-doped ZnO thin films
Journal: Thin Solid Films, Vol. 518, pp. 1386-1389
Year: 2009
Authors: H. Makino, S. Kishimoto, A. Miyake, T. Yamada, N. Yamamoto, T. Yamamoto
Title: Effects of surface pretreatment on growth of ZnO on glass substrate
Journal: phys. stat. sol. (a), Vol. 205, No. 8, pp. 1971-1974
Year: 2008
Authors: YAMAMOTO Naoki, Yamada Takahiro, Miyake Aki, Makino Hisao, Kishimoto Seiichi, Yamamoto Tetsuya
Title: Relationship between Residual stress and Crystallographic Structure in Ga-doped ZnO Film
Journal: J. Electrochem. Soc., Vol. 155, No. 9, pp. J221-J225
Year: 2008
Authors: Tetsuya Yamamoto, Takahiro Yamada, Aki Miyake, Toshiyuki Morizane, Tooru Arimitsu, Hisao Makino, Naoki Yamamoto
Title: Properties of Transparent Conductive Ga-Doped ZnO Films on Glass, PMMA and COP Substrates
Journal: Invited Paper, IEICE TRANSACTIONS on Electronics, Vol. E91-C, No. 10, pp. 1547-1553
Year: 2008
Authors: Takahiro Yamada, Aki Miyake, Seiichi Kishimoto, Hisao Makino, Naoki Yamamoto, Tetsuya Yamamoto
Title: Low resistivity Ga-doped ZnO thin films of less than 100nm thickness prepared by ion-plating with direct current arc discharge
Journal: APPLIED PHYSICS LETTERS, Vol. 91, p. 051915
Year: 2007
Authors: Seiichi Kishimoto, Takahiro Yamada, Keigo Ikeda, Hisao Makino, Tetsuya Yamamoto
Title: Effects of oxygen partial pressure on film growth and electrical properties of undoped ZnO films with thichness below 100nm
Journal: Surface & Coatings Technology, Vol. 201, pp. 4000-4003
Year: 2006
Authors: Tetsuya Yamamoto, Tooru Mitsunaga, Minoru Osada, Keigo Ikeda, Seiichi Kishimoto, Kiyoshi Awai, Hisao Makino, Takahiro Yamada, Toshiyuki Sakemi, Sho Shirakata
Title: “Effects of oxygen-gas flow rate on lattice dynamics and microstructures for Ga-doped ZnO thin films prepared by reactive plasma deposition
Journal: Superlattices and Microstructures, Vol. 38, pp. 369-376
Year: 2005
Authors: Tetsuya Yamamoto, Toshiyuki Sakemi, Kiyoshi Awai, Sho Shirakata
Title: Dependance of carrier concentrations on oxygen pressure for Ga-doped ZnO prepared by ion plating method
Journal: Thin SolidFilms, Vol. 451, pp. 439-442
Year: 2004
Authors: Tetsuya Yamamoto
Title: Control of N-Impurity States in N-Doped ZnO, ZnS and ZnTe
Journal: Jpn. J. Appl. Phys., Vol. 42, pp. L514-L516
Year: 2003
Authors: Tetsuya Yamamoto
Title: Codoping for the fabrication of p-type ZnO
Journal: Thin Solid Films, Vol. 420-421, pp. 100-106
Year: 2002

Grants-in-Aid for Scientific Research from the Japanese government

Project title: Hydrogen gas sensors having high sensitivity achieved by control of chemical states of adsorbed oxygen species
Category: Grant-in-Aid for Scientific Research (A)
Project number: 24241025
Project period: 2012-2014
Total budget amount: 26,130,000 yen
Keywords:

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