CHUBU UNIVERSITY
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YAMADA Naoomi

Profile

Title Professor
Belong to Dept. of Applied Chemistry
Applied Chemistry (graduate school)
Thin Film Research Center
Graduated University of Tokyo
Degree Ph. D (Univ. Tokyo)
Academic Institutional Membership The Japan Society of Applied Physics
The Surface Science Society of Japan
Materials Research Society
Field of Study Solid state chemistry, Thin film electronic materials
Research, Studies Thin films for sustainable-energy, thin film photovoltaics

Academic Papers, Critique

Refereed journal articles

F. Kawamura, N. Yamada, X. Cao, M. Imai, T. Taniguchi: Jpn. J. Appl. Phys 58, SC1034 (2019), doi: 10.7567/1347-4065/ab0ace. "The bandgap of ZnSnN2 having disordered-wurtzite structure".

N. Yamada, Y. Kondo, X. Cao, and Y. Nakano: Appl. Mater. Today 15, 153-162 (2019), doi:10.1016/j.apmt.2019.01.007: "Visible-blind wide-dynamic-range fast-response self-powered ultravioletphotodetector based on CuI/In-Ga-Zn-O heterojunction".

P. Wu, X. Cao, T. Tiedje, and N. Yamada: Mater. Lett. 236, 649-652 (2018), doi:10.1016/j.matlet.2018.11.024.: "Bandgap tunable Zn3-3xMg3xN2 alloy for earth-abundant solar absorber".

M. Okuya, J. Sato, T. Endo, R. Iwaki, S. Takemura, R. Muramoto, V. Nagygyorgy, J. Madarasz, S. Nakao, N. Yamada, E. Sakai, T. Hitosugi, T. Hasegawa: J. Am. Ceram. Soc. 101, 5071-5079 (2018), doi:10.1111/jace.15751: "TiO2/TNO homojunction introduced in a dye‐sensitized solar cell with a novel TNO transparent conductive oxide film".

J. Chen, F. Jiao, Z. Dong, O. Niyomura, T. Namioka, N. Yamada, Y. Ninomiya: Fuel 222, 538-543 (2018): "Effect of kaolin on ash partitioning during combustion of a low-rank coal in O2/CO2 atmosphere".

N. Yamada, Y. Kondo, R. Ino: Phys. Status SolidiA 216 1700782 (2018), doi:10.1002/pssa.201700782: "Low-Temperature Fabrication and Performance of Polycrystalline CuI Films as Transparent p-Type Semiconductors".

X. Cao, F. Kawamura, Y. Ninomiya, T. Taniguchi, N. Yamada: Sci. Rep. 7, 14987 (2017): "Conduction-Band Effective Mass and Bandgap of ZnSnN2 Earth-Abundant Solar Absorber".

N. Yamada, R. Ino, H. Tomura, Y. Kondo, and Y. Ninomiya: Adv. Electron. Mater. 3 1700298 (2017): doi:10.1002/aelm.201700298.:"High-Mobility Transparent p-Type CuI Semiconducting Layers Fabricated on Flexible Plastic Sheets: Toward Flexible Transparent Electronics".

N. Yamada, M. Yamada, H. Toyama, R. Ino; X. Cao, Y. Yamaguchi, Y. Ninomiya: Thin Solid Films, 626, 46-54 (2017): "High-throughput optimization of near-infrared-transparent Mo-doped In2O3 thin films with high conductivity by combined use of atmospheric-pressure mist chemical-vapor deposition and sputtering".

X. Cao, Y. Ninomiya, and N. Yamada: Phys. Status Solidi A 214, 1600472 (2017): "Zinc nitride as a potential high-mobility transparent conductor".

N. Yamada, R. Ino, and Y. Ninomiya: Chem. Mater. 28, 4971--4981 (2016): "Truly Transparent p-Type γ-CuI Thin Films with High Hole Mobility".

F. Jiao, L. Zhang, Z. Dong, T. Namioka, N. Yamada, and Y. Ninomiya: Fuel Process. Technol. 152, 108-115 (2016): "Study on the Species of Heavy Metals in MSW Incineration Fly Ash and Their Leaching Behavior".

F. Kawamura, N. Yamada, M. Imai, T. Taniguchi: Cryst. Res. Technol. 51, 220-224 (2016): "Synthesis of ZnSnN2 Crystals via a High-pressure Metathesis Reaction".

X. Cao, Y. Yamaguch, Y. Ninomiya, and N. Yamada:J. Appl. Phys. 119, 025104 (2016): "Comparative study of electron transport mechanisms in epitaxial and polycrystalline zinc nitride films".

N. Yamada, K. Maruya, Y. Yamaguchi, X. Cao, and Y. Ninomiya: Chem. Mater.27, 8076-8083 (2015): "p- to n-Type Conversion and Nonmetal–Metal Transition of Lithium-Inserted Cu3N Films".

Y. Meng, X. Liang, L. Zhang, F. Jiao, M. Kumita, T. Namioka, N. Yamada, A. Sato, and Y. Ninomiya: J. Chem. Eng. Jpn 48, 450–457 (2015):"Condensation Behavior of Heavy Metal Vapors upon Flue Gas Cooling in Oxy-fuel versus Air Combustion".

X. Cao, A. Sato, Y. Ninomiya, and N. Yamada: J. Phys. Chem. C 119, 5327--5333 (2015):"Oxygen-Doped Zinc Nitride as a High-Mobility Nitride-Based Semiconductor".

K. Taira, Y. Hirose, S. Nakao, N. Yamada, T. Kogure, T. Shibata, T. Sasaki, and T. Hasegawa:ACS Nano 8, 6145-6150 (2014):"Lateral Solid Phase Epitaxy of Oxide Thin Films on Glass Substrate Seeded with Oxide Nanosheets"

N . Yamada, K. Watarai, T. Yamaguchi, A. Sato, and Y. Ninomiya:Jpn. J. Appl. Phys. 53, 05FX01-1-05FX01-5 (2014):"Transparent conducting zinc nitride films".

Y. Wei, H. Li, Q. Wang, K. Honma, N. Yamada, and Y. Ninomiya: Fuel 116, 812-819 (2014): "Effect of H2S concentration in gasified gas on the microstructure and leaching properties of coal slag".

W. Song, F. Jiao, N. Yamada, Y. Ninomiya, and Z. Zhu:Energy & Fuels 27, 5640-5652 (2013):"Condensation Behavior of Heavy Metals during Oxy-fuel Combustion: Deposition, Species Distribution, and Their Particle Characteristics"

F. Jiao, L. Zhang, Wenjia Song, Ying Meng, N. Yamada, A.i Sato, Y. Ninomiya: Proc. Combust. Inst. 34, 2821-2829 (2013): "Effect of inorganic particulates on the condensation behavior of lead and zinc vapors upon flue gas cooling".

F. Jiao, Y. Ninomiya, L. Zhang, N. Yamada, A. Sato, and Z. Dong, Fuel Process. Technol. 106, 769–775 (2013),"Effect of coal blending on the leaching characteristics of arsenic in fly ash from fluidized bed coal combustion".

Y. Wei, H. Li, N. Yamada, A. Sato, Y. Ninomiya, K. Honma, T. Tanosaki, Fuel 103, 101–110 (2013), "A microscopic study of the precipitation of metallic iron in slag from iron-rich coal during high temperature gasification".

F. Jiao, L. Zhang, N. Yamada, A. Sato, and Y. Ninomiya, Fuel Processing Technology 105, 181–187 (2013), "Effect of HCl, SO2 and H2O on the condensation of heavy metal vapors in flue gas cooling section".

Y. Wei, Q. Wang, L. Zhang, I. Awaya, M. Ji, H. Li, N. Yamada, A. Sato, and Y. Ninomiya, Fuel Processing Technology 105, 188–194 (2013), "Effect of magnesium additives on PM2.5 reduction during pulverized coal combustion".

S. Nakao, N. Yamada, Y. Hirose, and T. Hasegawa, Appl. Phys. Express 5, 061201 (2012), "Enhanced Carrier Generation in Nb-Doped SnO2 Thin Films Grown on Strain-Inducing Substrates".

S. Mohri, Y. Hirose, S. Nakao, N. Yamada, T. Shimada, and T. Hasegawa, J. Appl. Phys. 111, 093528 (2012), "Transparent Conductivity of Fluorine-doped Anatase TiO2 Epitaxial Thin Films".

Y. Taga, and N. Yamada: IOP Conf. Ser.: Mater. Sci. Eng. 24, 012011 (2011):"Sputter joining of TiO2 / SiO2 thin film system"

N. Yamada, T. Shibata, K. Taira, Y. Hirose, S. Nakao, N. L. H. Hoang, T. Hitosugi, T. Shimada, T. Sasaki, and T. Hasegawa, Appl. Phys. Express 4, 045801 (2011), "Enhanced carrier transport in uniaxially (001)-oriented anatase Ti0.94Nb0.06O2 films grown on nanosheet seed layers".

S. Nakao, N. Yamada, T. Hitosugi, Y. Hirose, T. Shimada, and T. Hasegawa, Phys. Stat. Sol. (c) 8, 543 (2011), "Fabrication of transparent conductive W-doped SnO2 thin films on glass substrates using anatase TiO2 seed layers".

F. Jiao, Y. Cheng, L. Zhang, N. Yamada, A. Sato, and Y. Ninomiya, Proc. Combus. Inst. 33, 2787-2793 (2010), "Effects of HCl, SO2 and H2O in flue gas on the condensation behavior of Pb and Cd vapors in the cooling section of municipal solid waste incineration".

N. Yamada, S. Nakao, T. Hitosugi, and T. Hasegawa, Jpn. J. Appl. Phys. 49 108002, (2010), "Sputter Deposition of High-Mobility Sn1-xTaxO2 Films on Anatase-TiO2-Coated Glass"

T. Hitosugi, N. Yamada, S. Nakao, Y. Hirose, and T. Hasegawa, Phys. Stat. Sol. (a) 207, 1529 (2010)."Properties of TiO2-based transparent conducting oxides"

S. Nakao, N. Yamada, T. Hitosugi, Y. Hirose, T. Shimada, and T. Hasegawa: Appl. Phys. Express 3 031102 (2010), "High mobility exceeding 80 cm2V-1s-1 in polycrystalline Ta-doped SnO2 thin films on glass using anatase TiO2 seed layers"

J. Kasai, T. Hitosug, M. Moriyama, N. L. H. Huong, N. Yamada and T. Hasegawa: J. Appl. Phys. 107, 053110 (2010) "TiO2-based transparent conducting oxide on GaN(0001) template"

N. Yamada, T. Hitosugi, J. Kasai, N. L. H. Hoang, S. Nakao, Y. Hirose, T. Shimada and T. Hasegawa: Thin Solid Films 518, 3101 (2010). "Transparent conducting Nb-doped anatase TiO2 (TNO) thin films sputtered from various oxide targets"

S. Nakao, N. Yamada, T. Hitosugi, Y. Hirose, T. Shimada and T. Hasegawa: Thin Solid Films 518, 3093 (2010) "Fabrication of highly conductive Ta-doped SnO2 polycrystalline films on glass using seed-layer method by pulse laser deposition"

N. Yamada, T. Hitosugi, J. Kasai, N. L. H. Hoang, S. Nakao, Y. Hirose, T. Shimada, and T. Hasegawa: J. Appl. Phys. 105 123702 (2009) "Direct growth of transparent conducting Nb-doped anatase TiO2 (TNO) polycrystalline films on glass"

T. Hitosugi, N. Yamada, N. L. H. Hoang, J. Kasai, S. Nakao, T. Shimada, and T. Hasegawa: Thin Solid Films 517, 3106 (2009) "Fabrication of TiO2-based transparent conducting oxide on glass and polyimide substrates"

Y. Hirose, N. Yamada, S. Nakao, T. Hitosugi, T. Shimada, and T. Hasegawa: Phys. Rev. B. 79, 165108 (2009) "Large electron mass anisotropy in a d-electron-based transparent conducting oxide: Nb-doped anatase TiO2"

T. Hitosugi, H. Kamisaka, K. Yamashita, H. Nogawa, Y. Furubayashi, S. Nakao, N. Yamada, A. Chikamatsu, H. Kumigashira, M. Oshima, Y. Hirose, T. Shimada, and T. Hasegawa: Appl. Phys. Express 1, 111203 (2008) "Electronic band structure of transparent conductor: Nb-doped anatase TiO2"

N. L. H. Hoang, N. Yamada, T. Hitosugi, J. Kasai, S. Nakao, T. Shimada, and T. Hasegawa: Appl. Phys. Express 1, 115001 (2008) "Low-temperature Fabrication of Transparent Conducting Anatase Nb-doped TiO2 Films by Sputtering"

N. Yamada, T. Hitosugi, N. L. H. Hoang, Y. Furubayashi, Y. Hirose, S. Konuma, T. Shimada and T. Hasegawa: Thin Solid Films 516, 5754 (2008) "Structural, electrical and optical properties of sputter-deposited Nb-doped TiO2 (TNO) polycrystalline films"

T. Hitosugi, N. Yamada, S. Nakao, K. Hatabayashi, T. Shimada and T. Hasegawa: J. Vac. Sci. Technol. A. 26, 1027 (2008) "Structural study of TiO2-based transparent conducting films"

T. Hitosugi, A. Ueda, S. Nakao, N. Yamada, Y. Furubayashi, Y. Hirose, S. Konuma, T. Shimada, T. Hasegawa: Thin Solid Films 516, 5750 (2008) "Transparent conducting properties of anatase Ti0.94Nb0.06O2 polycrystalline films on glass substrate"

N. Yamada, T. Hitosugi, N.L.H. Hoang, Y. Furubayashi, Y. Hirose, T. Shimada and T. Hasegawa: Jpn. J. Appl. Phys. 46, 5275 (2007) "Fabrication of Low Resistivity Nb-doped TiO2 Transparent Conductive Polycrystalline Films on Glass by Reactive Sputtering"

T. Hitosugi, A. Ueda, S. Nakao, N. Yamada, Y. Furubayashi, Y. Hirose, T. Shimada and T. Hasegawa: Appl. Phys. Lett. 90, 212106 (2007) "Fabrication of highly conductive Ti1-xNbxO2 polycrystalline films on glass substrates via crystallization of amorphous phase grown by pulsed laser deposition "

Y. Furubayashi, N. Yamada, Y. Hirose, Y. Yamamoto, M. Otani, T. Hitosugi, T. Shimada and T. Hasegawa: J. Appl. Phys 101, 093705 (2007) "Transport properties of d-electron based transparent conducting oxide: Anatase Ti1-xNbxO2"

N. Yamada, T. Tatejima, H. Ishizaki and T. Nakada: Jpn. J. Appl. Phys. 45, L1179 (2006) "Effects of Post-annealing on Electrical Properties of Mo-doped Indium Oxide (IMO) Thin Films Deposited by RF Magnetron Cosputtering"

H. Ishizaki and N. Yamada: Electrochem. Solid-State Lett. 9, C178-C180 (2006):"Preparetion of Zn1-xMgxO Film by Electrochemical Reaction"

N. Yamada, Y. Shigesato, I. Yasui, H. Li, K. Nomura and Y. Ujihira:Jpn. J. Appl. Phys. 39, 4158 (2000):"Donor Compensation and Carrier-Transport Mechanisms in Sn-doped In2O3 Films Studied by Means of Conversion Electron 119Sn Mossbauer Spectroscopy and Hall Effect Measurements"

F. Utsuno, N. Yamada, M. Kamei and I. Yasui: Kor. J. Ceram. 5, 40 (1999):"Tin doping mechanism in indium oxide by MD simulation"

N. Yamada, Y. Shigesato, I. Yasui, H. Li, K. Nomura and Y. Ujihira:Jpn. J. Appl. Phys. 38, 2856 (1999):"Doping Mechanisms of Sn in In2O3 Powder Studied Using 119Sn Mossbauer Spectroscopy and X-Ray Diffraction "

N.Yamada, Y.Shigesato, I.Yasui, H.Li, Y.Ujihira, and K.Nomura:Hyperfine Intaractions 112, 213 (1998):"Estimation of Chemical states and carrier density of Sn-doped In2O3 by Mossbauer Spectroscopy"

Proceedings

S. Nakao, N. Yamada, Y. Hirose, and T. Hasegawa:Mater. Res. Soc. Symp. Proc. 1604 (2014) jsapmrs13-1604-6345 (DOI: 10.1557/opl.2014.332):"Electrical and Structural Properties of Ta-doped SnO2 Transparent Conductive Thin Films by Pulsed Laser Deposition"

Y. Taga and N. Yamada:Proc. SPIE 7683, Energy Harvesting and Storage: Materials, Devices, and Applications, 768310 (2010): "Low-temperature crystallization of TiO2 films by sputter deposition"

N. Yamada, T. Hitosugi, S. Nakao, J. Kasai, Y. Hirose, N. L. H. Hoang, T. Shimada and T. Hasegawa: Proc. Mater. Res. Soc. Symp. Proc. 1109 (2009) 1109-B02-02 "Growth of conductive Nb-doped anatase TiO2 thin films on glass using seed layers"

N. L. H. Hoang, N. Yamada, T. Hitosugi, J. Kasai, S. Nakao, T. Shimada and T. Hasegawa:Proc. Mater. Res. Soc. Symp. Proc. 1109 (2009) 1109-B02-04 "Low-temperature Fabrication of Transparent Conductive Polycrystalline Nb-doped TiO2 Films by Sputtering"

Y. Hirose, N. Yamada, S. Nakao, T. Hitosugi, T. Shimada S. Konuma, and T. Hasegawa: Proc. Mater. Res. Soc. Symp. Proc. 1109 (2009) 1109-B02-03 "Large electron mass anisotropy in anatase Ti1-xNbxO2 transparent conductor"

N. Yamada, N. L. H. Hoang, J. Kasai, T. Hitosugi, T. Shimada and T. Hasegawa: Tech. Dig. 17th Photovoltaic Science & Engineering Conference (Fukuoka, Dec. 2007), pp.845 "Niobium-doped Anatase Titanium Oxide Transparent Conducting Films"

T. Nakada, S. Kijima, Y. Kuromiya, R. Arai, Y. Ishii, N. Kawamura, H. Ishizaki, N. Yamada: Proc. IEEE 4th Word Conference on Photovoltaic Energy Conversion (Hawaii, May 2006), pp400 "Chalcopyrite Thin-Film Tandem Solar Cells with 1.5 V Open-Circuit Voltage"

N. Yamada, T. Tatejima, H. Ishizaki and T. Nakada: Tech. Dig. 15th International Photovoltaic Science & Engineering Conference (Shanghai,10-15 Oct. 2005), pp.507-508 "Effects of Sn Concentration in Indium Tin Oxide Back Contacts on the Device Performance of Cu(In1-xGax)Se2 Thin Film Solar Cells"

Y. Kanda, S. Kijima, Y. Komiya, H. Ishizaki, N. Yamada, and T. Nakada: Tech. Dig. 15th International Photovoltaic Science & Engineering Conference (Shanghai,10-15 Oct. 2005), pp.1019 "Ga Content Dependence of Cell Performance for Bifacial CIGS Thin Film Solar Cells"

H. Ishizaki, M. Watanabe, K. Kimata, N. Yamada, T. Nakada: Tech. Dig. 15th International Photovoltaic Science & Engineering Conference (Shanghai,10-15 Oct. 2005), pp.1164 "Growth of CuInSe2 Thin Films by Electrochemical Reaction"

H. Ishizaki, K. Yamada, R. Arai, Y. Kuromiya, Y. Masatsugu, N. Yamada and T. Nakada: Mater. Res. Soc. Symp. Proc. Vol. 865 (San Francisco, Mar 28 - April 1, 2005), F5.12.1 "Structural Properties of Ag-Based Chalcopyrite Compound Thin Films for Solar Cells"

T. Nakada, K. Yamada, R. Arai, H. Ishizaki and N. Yamada: Mater. Res. Soc. Symp. Proc. Vol. 865 (San Francisco, Mar 28 - April 1, 2005), F11.1.1 "Novel Wide-Band-Gap Ag(In1-xGax)Se2 Thin Film Solar Cells"

T. Nakada, D. Ohmori, Y. Kanda, Y. Komiya, H. Ishizaki and N. Yamada; Proc. 20th European Photovoltaic Solar Energy Conference and Exhibition (Barcelona,6-10 June, 2005), pp.1736 "Bifacial CIGS Thin Film Solar Cells"

Reviews (in Japanese)

N. Yamada, T. Hitosugi, and T. Hasegawa: Bulletin of the Ceramic Society of Japan 44, 360 (2009).

T. Hitosugi, N. Yamada, and T. Hasegawa: Monthly Display 5, 20 (2009).

N. Yamada, T. Hitosugi, and T. Hasegawa: J. Vac. Soc. Jpn. 51(9), 602 (2008).

N. Yamada, T. Hitosugi, and T. Hasegawa: J. Surf. Sci. Soc. Jpn. 29, 25 (2008).

N. Yamada, T. Hitosugi, N. L. H. Hoang, and T. Hasegawa: Kinzoku 78, 26 (2008).

T. Hitosugi, N. Yamada, and T. Hasegawa: J. Surf. Finish. Soc. Jpn. 58(12), 798 (2007).

Others

N. Yamada: Coffee Brake, Crystal Letters No. 50 pp.36 (2012).

Lectures, Symposium, Presentation

Conference presentation

11th International Symposium on Transparent Oxide and Related Materials for Electronics and Optics (7-9, Oct. 2019, Nara, Japan)

K. Matsuura, F. Kawamura, M. Imura, H. Murata, T. Taniguchi, N. Yamad: "Deposition of a Novel Ternary Nitride MgSnN2".

T. Kondo, Y. Tanida, S. Yoshida, N. Yamada: "Transparent p-n Diodes Based on widegap p-type Cuprous Halides".

Y. Tanida, S. Yoshida, N. Yamada: "Wide-Range-Tunable p-Type Conductivity of Transparent CuI1-xBrx Alloy".

T. Ohsawa, A. Kumatani, R. Shimizu, S. Shiraki, N. Yamada, T. Nojima, T. Hitosugi: "A Transparent Superconducting LiTi2O4 Epitaxial Thin Film".

The 80th JASP Autumn Meeting, 2019 (Sept. 2019, Hokkaido Univ. (Sapporo))

Y. Tanida, S. Yoshida, T. Kondo, N. Yamada: "Electronic and optical properties of cuprous-halide alloys".

T. Kondo, Y. Tanida, S. Yoshida, N. Yamada: "Transparent p-n diodes based on widegap p-type cuprous halides".

K. Matsuura, F. Kawamura, M. Imura, H. Murata, T. Taniguchi, N. Yamada: "Growth and properties of a novel ternary nitride semiconductor Mg-Sn-N".

F. Kawamura, M. Imura, H. Murata, N. Yamada, T. Taniguchi: "Synthesis of novel nitride semiconductors of MgSnN2 and CaSnN22 via high-pressure route".

The 66th JASP Spring Meeting, 2019 (Mar. 2019, Tokyo Institute of Tech. (Tokyo))

M. Hosaki, M. Matsuhisa, H. Asoma, S. Nakao, N. Yamada, T. Hasegawa, R. Shimizu1, K. Nishio, Y. Wada, T. Hitosugi: "Solid phase crystallization of Nb-doped TiO2 thin films using microwave heating".

International Workshop on Nitride Semiconductors (11-16, Nov. 2018, Kanazawa, Japan)

F. Kawamura, X. Cao, N. Yamada, and T. Taniguchi: "Synthesis of ZnSnN2 crystal via metathesis reaction under high-pressure and an evaluation of properties of ZnSnN2"

4th EMRS & MRS-J Bilateral Symposium on Advanced Oxides and Wide Bandgap Semiconductors (14-19, Oct. 2018, Crete, Greece)

Invited talk N. Yamada, Y. Kondo, R. Ino, and T. Kondo, "Transparent P-type Semiconducting CuI and Its Application to Self-Powered Ultraviolet Photodetectors".

The 79th JSAP Autumn Meeting, 2018 (Sept.-2018, Nagoya Congress Center)

X Cao, P. Wu, K. Matsuura, T. Tiedje, N. Yamada: Bandgap tunable Zn3N2-Mg3N2 alloys for photovoltaic absrober.(19p-234B-5)

T. Kondo, Y. Kondo, Y. Ninomiya, N. Yamada:Self-powered UV photodetectors based on CuI/a-IGZO transparent heterojunctions.(20p-234A-11)

CIMTEC Congress 2018, 8th Forum on New Materials ( 11-15, Jun, 2018, Perugia, Italy)

(INVITED TALK) N. Yamada:"A nonoxide p-type transparent semiconductor: CuI".

The 65th JASP Spring Meeting, 2018(Mar. 2018, Waseda Univ. (Tokyo))

X. Cao, F. Kawamura, T. Taniguch, N. Yamada: "Electron Transport Properties of a Pseudo III-V Nitride ZnSnN2 Epilayers".

The 78th JSAP Autumn Meeting, 2017

Y. Kondo, R. Ino, Y. Ninomiya, and N. Yamada: "Fabrication of transparent p-n junctions composed of CuI and a-IGZO".

X. Cao, F. Kawamura, T. Taniguchi, N. Yamada: "Effective mass and bandgap of ZnSnN2 earth-abundant solar absorber".

International Union of Materials Research Societies - The 15th International Conference on Advanced Materials (IUMRS-ICAM 2017) (27 August - 1 September, 2017, Kyoto)

(INVITED TALK) N. Yamada, R. Ino, H. Tomura, Y. Kondo:"Transparent P-Type Semiconducting Copper Iodede Thin Films for Transparent Electronics".

X. Cao, M. Yamada, R. Ino, N. Yamada:"Near-Infrared Transparent Mo-doped In2O3 Thin Films Deposited by Atmospheric-Pressure Mist Chemical Vapor Deposition Technique".

9th International Symposium on Nitrides (ISNT2017) (27 August - 1 September, 2017, Kyoto)

F. Kawamura, N. Yamada, M. Imai, T. Taniguch: "High-pressure synthesis and properties on pseudo-III-V nitride of ZnSnN2 crystals".

The 10th Symposium on Transparent Oxide and Related Materials for Electronics and Optics (TOEO-10) (4 July, 2017, Tokyo)

(INVITED TALK) N. Yamada, R. Ino, H. Tomura, Y. Kondo:"Transparent P-Type CuI Films Fabricated on Plastic Sheets".

The 77th JSAP Autumn Meeting, 2016 (Sep. 2016, Toki Messe (Niigata city))

R. Ino, H. Tomura, M. Kawamura, Y. Ninomiya, N. Yamada: "Transparent p-type γ-CuI thin films prepared on carious substrates".

X. Cao, Y. Sugiyama, F. Kawamura, Y. Ninomiya, T. Taniguchi, and N. Yamada:"Cu-doping into ZnSnN2 film: Structural, Electrical and Optical Properties".

E-MRS 2016 Spring Meeting (2-6 May. 2016, Lille, France)

N. Yamada, R. Ino, H. Tomura, K. Maruya, and Y. Yamaguchi, "Transparent p-type semiconducting γ-CuI thin films".

X. Cao, Y. Ninomiya, and N. Yamada, "Zinc Nitride as a Potential High-Mobility Transparent Conductor".

R. Ino, K. Maruya, Y. Yamaguch, Y. Ninomiya, and N. Yamada, "Preparation of Transparent p-type Semiconducting CuI Thin Films".

The 63rd JSAP Spring Meeting 2016 (March 2016, Tokyo Institute of Technology)

F. Kawamura, M. Imai, T. Taniguchi, N. Yamada: "High-pressure synthesis of pseudo-III-V nitride semiconductor of ZnSnN2"

X. Cao, K. Umezome, F. Kawamura, Y. Ninomiya, T. Taniguchi, N. Yamada: "Growth and Characterizations of a pseudo-III-nitride ZnSnN2"

T. Endo, R. Ono, R. Iwaki, S. Takemura, M. Okuya, S. Nakao, S Okazaki, E. Sakai, N. Yamada, T. Hitosugi, T. Hasegawa: "Dye-sensitized solar cell with a heat-resistance TNO transparent conductive film".

The 9th Symposium on Transparent Oxide and Related Materials for Electronics and Optics (TOEO-9) (19 Oct-21 Oct, 2015, Tsukuba)

X. Cao, Y. Ninomiya, A. Sato, and N. Yamada:"Zinc Nitride as a Potential High-Mobility Transparent Conductor".

The 9th International Conference on the Science and Technology for Advanced Ceramics (STAC-9) (19 Oct-21 Oct, 2015, Tsukuba)

F. Kawamura, N. Yamada, M. Imai, and T. Taniguchi:"High-pressure synthesis of bulk-ZnSnN2 crystals using the metathesis reaction".

Joint AIR-APT-25th & EHPRG-53rd International Conference on High Pressure Science and Technology (1 September 2015, Madrid, Spain)

F. Kawamura, T. Taniguchi, N. Yamada:"Synthesis of ZnSnN2 crystals using the metathesis reaction under high-pressure".

The 1st E-MRS/MRS-J Bilateral Symposia: Materials Frontier for Transparent Advanced Electronic (Dec. 2014, Yokohama)

R. Otsuka, T. Endo, T. Takano, R. Iwaki, M. Okuya, S. Nakao, S. Okazaki, E. Sakai, N. Yamada, T. Hitosugi, T. Hasegawa:"Dyesensitized solar cells with TNO transparent conductive oxide films".

5th International Symposium on Transparent Conductive Materials (TCM2014:12-17 October 2014, Greece)

N. Yamada, K. Uchida, R. Ino, K. Maruya, X. Cao, A. Sato, and Y. Ninomiya:"P-type Transparent Semiconducting γ-CuI Thin Films Fabricated by Reacting Copper Nitride with Iodine Vapor"

X. Cao, N. Yamada, K. Watarai, A. Sato, Y. Ninomiya:“Oxygen-Doped Zinc Nitride Thin Film: A Nitride-Based Transparent Conductor”

American Physical Society (APS) March Meeting 2014 (Mar.2014, Denver)

T. Hitosugi, T. Ohsawa, T. Nojima, R. Shimizu, N. Yamada, S. Shiraki:"A transparent superconductor: LiTi2O4 epitaxial films", G52.00009.

2013 JSAP-MRS Symposia: Symposium U (September 18, 2013, Kyoto)

(INVITED) N. Yamada: "Transparent Conductors with Large Optical Permittivity" , 18p-M1-6

(INVITED) S. Nakao , N. Yamada, Y. Hirose, and T. Hasegawa: "Study on SnO2 Transparent Conductive Thin Films by Pulsed Laser Deposition" , 18p-M1-5

8th International Symposium on Transparent Oxide Thin Films for Electronics and Optics(TOEO-8) (Tokyo, 13-15 May, 2013)

N. Yamada, S. Takaki, S. Nakao, Y. Hirose, and T. Hasegawa: "Orientation Dependent Conductivity of Anatase Ti1-xNbxO2 Thin Films".

Y. Hattori, T. Asano, S. Nakao, A. Sato, Y. Ninomiya, T. Hasegawa, and N. Yamada:"Transparent Conducting Ta-doped SnO2 Films Sputtered on Rutile-type TiO2-NbO2 Solid Solution Seed Layers".

JSAP The 73th Fall Meeting, 2012 (Ehime, 11 Sept. - 14 Sept. 2011)

<12p-PB8-7>S. Nakao, N. Yamada, Y. Hirose, T. Hasegawa:"Enhanced Carrier Generation in Nb:SnO2 Thin Films on Strain-Inducing Substrates"

<13p-H7-17>T. Yamaguchi, Y. Yamashita, M. Kawamura,Y. Ninomiya, A. Sato, N. Yamada:"Fabrication of ZnO-nanorods/Cu2O hetero p-n junctions".

<14a-H7-4>Y. Hattori, T. Asano, S. Nakao, Y. Ninomiya, A. Sato, T. Hasegawa, N. Yamada:"Transparent Conducting Ta:SnO2 Films Sputtered on TiO2-NbO2 Solid Solution Seed Layers".

<14a-H7-7>S. Takemura, R. Muramoto, Y. Sekine, S. Okazaki, E. Sakai, N. Yamada, T. Hitosugi, T. Hasegawa, Masayuki Okuya:"High performance dye-sensitized solar cell by reducing an interfacial resistance with TNO transparent conductive film".

<14p-C9-3>T. Izuhara, H. Ito, Y. Ninomiya, A. Sato, Y. Taga, N. Yamada:"Transport Properties of Co3O4 Epitaxial Films Grown by Sputtering".

<14p-H7-5>K. Shimizu, Y. Ninomiya, A. Sato, N. Yamada:"Low Temperature Epitaxial Growth of Al:ZnO Transparent Conducting Films".

<14p-C9-5>R. Seko, J. Miwa, Y. Ninomiya, A. Sato, N. Yamada:"Growth of CuO/ZnO dual epilayers on c-Al2O3 substrates".

The electrochemical Society of Japan 79th Meeting, 2012 (Shizuoka, 31 Mar. 2012)

<3O36>S.Takemura, R.Muramoto, Y.Sekine, S.Okazaki, E.Sakai, N. Yamada, T.Hitosugi, T.Hasegawa, and M.Okuya": Fabrication of dye sensitized solar cells with TNO transparent conductive films"

JSAP The 59th Spring Meeting, 2012 (Tokyo, 25-28 Mar. 2012)

S.Takemura, R.Muramoto, Y.Sekine, S.Okazaki, E.Sakai, N. Yamada, T.Hitosugi, T.Hasegawa, and M.Okuya:"Fabrication of dye sensitized solar cells with TNO transparent conductive film"

6th International Symposium on Surface Science (11 - 15 Dec. 2011, Tokyo)

K. Taira, Y. Hirose, S. Nakao, N. Yamada, T. Kogure, T. Shibata, T. Sasaki, and T. Hasegawa: "Lateral Epitaxial Crystallization of Oxide Thin Films on Glass Substrates with Sparsely Located Inorganic Nanosheet Templates"

E-MRS 2011 Fall Meeting (19 - 23 Sep. 2011, Warsaw)

Y. Hirose , S. Nakao, N. L. H. Hoang, K. Taira, N. Yamada , and T. Hasegawa: "Recent progress on TiO2-based transparent conducting thin films"

7th Mediterranean Combustion Symposium (MCS-7; September 2011, Italy)

F. Jiao, L. Zhang, N. Yamada, A. Sato and Y. Ninomiya:"Role of Calcium Compounds on Reduction of Arsenic and Selenium during Fluidized Bed Coal Combustion"

The electrochemical Society of Japan Fall Meeting, 2011 (Kanagawa, 9 - 11 Sep. 2011)

<2N29>S.Takemura, R.Muramoto, Y.Sekine, S.Okazaki, E.Sakai, N. Yamada, T.Hitosugi, T.Hasegawa, and M.Okuya": Fabrication of dye sensitized solar cells with TNO transparent conductive films"

JSAP The 72th Fall Meeting, 2011 (Yamagata, 29 Aug - 2 Sept. 2011)

<2p-N-7>S. Nakao, N. Yamada, Y. Hirose, and T. Hasegawa:"High mobility W:SnO2 Transparent Conductive Thin Films Using Rutile (Ti,Nb)O2 Solid Solution Seed Layers (2)"

The 11th China-Japan Symposium on Coal and C1 Chemistry (August 2011, China)

F. Jiao, L. Zhang, N. Yamada, A. Sato, and Y. Ninomiya:"Fate of Arsenic and selenium during Fluidized bed Coal Combustion – Effects of Calcium"

7th International Symposium on Coal Combustion (7thISCC; July 2011, China)

Y. Wei, H. Li, N. Yamada, A. Sato, Y. Ninomiya, K. Honma, T. Tanosaki, M. Kawaguchi, and N.Tatarazako:"Effect of reducing conditions on the properties of molten slag in an entrained bed gasifier"

F. Jiao, N. Yamada, A. Sato, Y. Ninomiya:"Effect of Coal Blending on the Leaching Characteristics of Arsenic and Selenium in Fly Ash from Fluidized Bed Coal Combustion"

JSAP The 58th Spring Meeting, 2011 (Kanagawa, 24-27 Mar. 2011)

<24a-BS-22>N. L. H. Hoang, S. Nakao, Y. Hirose, N. Yamada,and T. Hasegawa: "Influence of shadow effect on structure of sputter-deposited Nb:TiO2 films".

<24a-BS-23>N. Yamada, S. Nakao, T. Hitosugi, T. Hasegawa: "Transparent Conducting Ta:SnO2 Films Sputtered on TiO2 Seed Layers"

<24a-BS-24>S. Nakao, N. Yamada, Y. Hirose, and T. Hasegawa: "High Mobility W:SnO2 Transparent Conductive Thin Films Using Rutile (Ti, Nb)O2 Solid Solution Seed Layer"

7th International Symposium on Transparent Oxide Thin Films for Electronics and Optics(TOEO-7) (Tokyo, 14-16 March, 2011)

<14p-P009>N. Yamada, S. Nakao, T. Hitosugi, and T. Hasegawa, "Sn1-xTaxO2 Thin Films Sputtered on Various Substrates"(14 Mar. 2011).

<15p-P099>S. Nakao, N. Yamada, Y. Hirose, T. Hitosugi, and T. Hasegawa, "High Mobility W-doped SnO2 Transparent Conductive Thin Films Using Rutile Ti1-xNbxO2 Solid Solution Seed Layers" (15 Mar. 2011).

<14p-P050>S. Mohri, Y. Hirose, S. Nakao, N. Yamada, T. Shimada, and T. Hasegawa, "Fabrication of a New Transparent Conducting Oxide: Fluorine-Doped Anatase TiO2 Epitaxial Thin Films" (14 Mar. 2011).

<15p-P096>N. L. H. Hoang, S. Nakao, Y. Hirose, N. Yamada, and T. Hasegawa, "Influence of shadow effect in structure of sputter-deposited TiO2–based films" (15 Mar. 2011)

<14p-P008>K. Taira, Y. Hirose, S. Nakao, N. Yamada, T. Kogure, T. Shibata, T. Sasaki, and T. Hasegawa, "Crystallographic Orientational Control of Nb-doped Anatase TiO2 Thin Films on Glass Substrates with Inorganic Nanosheets " (14 Mar. 2011).

PACIFICHEM 2010 (Honolulu, 15-20 December, 2010)

<1484> R. Muramoto, Y. Yamazaki, E. Sakai, N. Yamada, T. Hitosugi, T. Hasegawa and M. Okuya, "Fabrication of dye sensitized solar cell with TNO transparent conductive film" (19 Dec. 2010).

Materials Research Society 2010 Fall Meeting (29 Nov. - 1 Dec. 2010, Boston)

S. Mohri, Y. Hirose, S. Nakao, N. Yamada, T. Shimada, H. Kumigashira, M. Oshima, and T. Hasegawa, "Transparent conductivity in fluorine-doped anatase TiO2 epitaxial thin films" (1 Dec. 2010).

K. Taira, Y. Hirose, S. Nakao, N. Yamada, T. Kogure, T. Shibata, T. Sasaki, and T. Hasegawa, "Crystallographic Orientational Control of Nb-doped Anatase TiO2 Thin Films on Glass Substrates with Inorganic Nanosheets" (30 Nov. 2010).

3rd International Congress on Ceramics (Osaka, 14-18 November, 2010)

R. Muramoto, Y. Yamazaki, E. Sakai, N. Yamada, T. Hitosugi, T. Hasegawa and M. Okuya, "TNO transparent conductive films for dye-sensitized solar cells" (16 Nov 2010).

JSAP The 71st Fall Meeting, 2010 (Nagasaki, 16 Sep. 2010)

<16p-ZJ-17>S. Nakao, N. Yamada, T. Hitosugi, Y. Hirose, T. Hasegawa:""

<16p-ZJ-19>H. Mohri, Y. Hirose, S. Nakao, N. Yamada, T. Shimada, T. Hasegawa:""

The electrochemical Society of Japan Fall Meeting, 2010 (Kanagawa, 3 Sep. 2010)

<2F32>R. Muramoto, Y. Yamazaki, E. Sakai, N. Yamada, T. Hitosugi, T. Hasegawa, and M. Okuya:"Fabrication of DSSCs with TNO transparent conducting layer"

Workshop on Transparent Conductive Oxide Thin Films for Electronics and Optics in Green Energy (Taiwan, 17-18 Aug. 2010)

(Invited talk) Naoomi Yamada: "High-mobility In2O3- and SnO2-based transparent conducting films"

The 37th International Symposium on Compound Semiconductors

S. Nakao, N. Yamada, T. Hitosugi, Y. Hirose, T. Shimada, T. Hasegawa, "Fabrication of SnO2-based transparent conductive thin films on glass using anatase TiO2 seed layers"

JSAP Spring meeting, 2010

S. Nakao, N. Yamada, T. Hitosugi, Y. Hirose, T. Shimada, and T. Hasegawa: "Fabrication of Nb:SnO2 Transparent Conductive Thin Films Using Seed-layer method "

JSAP Fall meeting, 2009

<11a-J-3>N. Yamada, T. Shibata, K. Taira, Y. Hirose, T. Hitosugi, S. Nakao, N. L. H. Hoang, T. Shimada, T. Sasaki, and T. Hasegawa: "c-axis-oriented anatase Ti0.94Nb0.06O2 transparent conductors grown on Ca2Nb3O10 nanosheets"

<11a-J-4>K. Taira, Y. Hirose, N. Yamada, S. Nakao, T. Shibata, T. Sasaki, T. Kogure, T. Shimada, and T. Hasegawa: "Orientational control of anatase Nb-doped TiO2 transparent conducting films with nanosheets"

<11a-H-6> S. Nakao, N. Yamada, T. Hitosugi, Y. Hirose, T. Shimada, and T. Hasegawa: "High Mobility and Improved Near-Infrared Transparency in Ta:SnO2 Transparent Conductive Films"

<11a-J-2>S. Mohri, Y. Hirose, S. Nakao, N. Yamada, T. Hitosugi, T. Shimada, T. Hasegawa: "Synthesis of F doped anatase TiO2 film by pulsed laser deposition"

<10p-H-21>K. Hatabayashi, Y. Hirose, A. Chikamatsu, S. Nakao, N. Yamada, T. Hitosugi, T. Shimada, T. Hasegawa: "Magnetodielectric effect in EuTiO3 epitaxial thin films"

European Materials Research Society 2009 Spring Meeting

*< F31>(invited)T. Hitosugi, N. Yamada, S. Nakao, Y. Hirose, and T. Hasegawa: "Properties of TiO2-based transparent conducting oxides"

6th International Symposium on Transparent Oxide Thin Films for Electronics and Optics (TOEO-6), April 15-17, 2009

<15p-P059>S. Nakao, T. Hitosugi, N. Yamada, Y. Hirose, T. Shimada and T. Hasegawa: "Fabrication of highly conductive Ta-doped SnO2 polycrystalline films on glass substrates using seed layer by pulsed laser deposition"

<16a-O002>T. Hitosugi, N. Yamada, S. Nakao and T. Hasegawa: "Properties of TiO2-based transparent conductor"

<16p-P145>N. Yamada, T. Hitosugi, J. Kasai, N. L. H. Hoang, S. Nakao, Y. Hirose, T. Shimada and T. Hasegawa: "Transparent conducting Nb-doped anatase TiO2(TNO) thin films sputtered from various oxidation state targets"

<16p-P162>C. Wang, T. Hitosugi, N. Yamada and T. Hasegawa, P. Loebmann: "Insight into the structure of Nb doped TiO2 thin films by means of HRTEM, XPS, SEM and XRD"

JSAP Spring meeting, 2009

<30a-P2-8>S. Nakao, T. Hitosugi, N. Yamada, Y. Hirose, T. Shimada, T. Hasegawa: "Fabrication of Highly Conductive Polycrystalline Ta:SnO2 Transparent Conducting Thin Films with Seed Layer"

<1a-P12-13>N. Yamada, T. Hitosugi, Y. Hirose, S. Nakao, N. L. H. Hoang, T. Shimada, and T. Hasegawa: "Optically deduced transport properties of Nb-doped anatase TiO2(TNO) transparent conducting films"

2008 MRS Fall Meeting

*< B2.2> (Invited)N. Yamada, T. Hitosugi, S. Nakao1, J. Kasai, Y. Hirose, N. L. H. Hoang, T. Shimada, and T. Hasegawa: "Growth of Transparent Conducting Nb-doped Anatase TiO2 Thin Films on Glass using Seed Layers"

< B2.3>Y. Hirose, N. Yamada, S. Nakao, T. Hitosugi, T. Shimada and T. Hasegawa: "Large Electron Mass Anisotropy in Anatase Ti1-xNbxO2 Transparent Conductor"

< B2.4>N. L. H. Hoang, N. Yamada, T. Hitosugi, J. Kasai, S. Nakao, T. Shimada and T. Hasegawa: "Low-temperature Fabrication of Transparent Conductive Polycrystalline Nb-doped TiO2 Films by Sputtering"

The 7th International Conference on Coatings on Glass and Plastics (ICCG)

<5-03>T. Hitosugi, N. Yamada, N.L.H. Hoang, J. Kasai, S. Nakao, T. Shimada, T. Hasegawa:"Fabrication of TiO2-based transparent conducting oxide on glass substrate"

JSAP Fall meeting, 2008

*<3p-J-1>S. Nakao, T. Hitosugi, N. Yamada, J. Kasai, T. Shimada, and T. Hasegawa: "Highly Conductive Nb:TiO2 Transparent Conducting Thin Films Crystallized in Ambient Atmosphere "

<3p-J-2>S. Nakao, T. Hitosugi, N. Yamada, J. Kasai, T. Shimada, and T. Hasegawa: "Improved thermal endurance in O 2 atmosphere of conductivity of Nb:TiO2 thin films with lightly Nb doped protection layer "

<3p-J-3>J. Kasai, T. Hitosugi,N. Yamada,S. Nakao, Y. Hirose,T. Shimada,M. Moriyama, and T. Hasegawa: "Deposition of anatase Nb-doped TiO2 transparent conducting films on GaN template by sputtering technique"

JSAP Spring meeting, 2009

<27a-L-10>K. Kimura, T. Hitosugi, N. Yamada, S. Nakao, N. L. H. Hoang, T. Shimada, and T. Hasegawa: "Crystallization of laser-irradiated TiO2 film "

<27p-L-1>N. Yamada, T. Hitosugi, J. Kasai, N. L. H. Hoang, S. Nakao, Y. Hirose, T. Shimada, and T. Hasegawa: "Ti0.94Nb0.06O2 (TNO) Transparent Conducting Thin Films Sputtered from Suboxide Target"

<27p-L-2>S. Nakao, T. Hitosugi, N. Yamada, J. Kasai, Y. Hirose, T. Shimada, and T. Hasegawa: "Polycrystalline Nb:TiO2 Transparent Conducting Thin Films Crystallized in Ambient Atmosphere"

<27p-L-3>T. Okumoto, T. Hitosugi, Y. Hirose, S. Nakao, N. Yamada, J. Kasai, T. Shimada, and T. Hasegawa: "Epitaxial growth of anatase-TiO2 thin film by introducing seed layer"

2008 American Physical Society March Meeting

T. Higosugi, H. Kamisaka, K. Yamashita, H. Nogawa, T. Tsuruhama, S. Nakao, Y. Furubayashi, N. Yamada, Y. Hirose, T. Shimada, T. Hasegawa:"Nonmetal-metal transition in anatase Nb-doped TiO2"

The17th Photovoltaic Science & Engineering Conference (PVSEC-17)

N. Yamada, N. L. H. Hoang, J. Kasai, T. Hitosugi, T. Shimada and T. Hasegawa:"Niobium-doped Anatase Titanium Oxide Transparent Conducting Films"

Awards

Best Poster Award

T. Kondo, Y. Tanida, S. Yoshida, N. Yamada: 11th International symposium on transparent oxide thin films for electronics and optics (7 Oct, 2019) "Transparent p-n Diodes Based on widegap p-type Cuprous Halides".

Best Poster Award

N. Yamada, T. Hitosugi, N. L. H. Hoang, Y. Furubayashi, Y. Hirose, T. Shimada, and T. Hasegawa: 5th International symposium on transparent oxide thin films for electronics and optics (22 May, 2007) "Sputter deposition of Nb-doped TiO2 (TNO) polycrystalline films for a transparent conductive oxide"

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