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Tada Hirokazu

夛田 博一

Graduate School of Engineering Science Department of Materials Engineering Science, Professor

Research Areas

  • Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Electric/electronic material engineering
  • Nanotechnology/Materials, Thin-film surfaces and interfaces
  • Nanotechnology/Materials, Functional solid-state chemistry

Professional Memberships

  • 応用物理学会

Papers

  • Correlation between the Dipole Moment of Nonfullerene Acceptors and the Active Layer Morphology of Green-Solvent-Processed P3HT-Based Organic Solar Cells, Shreyam Chatterjee,Tatsuhiko Ohto,Hirokazu Tada,Seihou Jinnai,Yutaka Ie, ACS Sustainable Chemistry & Engineering, American Chemical Society (ACS), Vol. 8, No. 51, p. 19013-19022, 2020/12/28
  • Improving Intramolecular Hopping Charge Transport via Periodical Segmentation of π-Conjugation in a Molecule, Yutaka Ie,Yuji Okamoto,Takuya Inoue,Takuji Seo,Tatsuhiko Ohto,Ryo Yamada,Hirokazu Tada,Yoshio Aso, Journal of the American Chemical Society, American Chemical Society (ACS), 2020/12/22
  • Single‐Molecule Conductance of a π‐Hybridized Tripodal Anchor while Maintaining Electronic Communication, Tatsuhiko Ohto,Aya Tashiro,Takuji Seo,Nana Kawaguchi,Yuichi Numai,Junpei Tokumoto,Soichiro Yamaguchi,Ryo Yamada,Hirokazu Tada,Yoshio Aso,Yutaka Ie, Small, Wiley, p. 2006709-2006709, 2020/12/18
  • Electrical conductance measurement of HgII-mediated DNA duplex in buffered aqueous solution, Ryo Yamada,Issei Nomura,Yuki Yamaguchi,Yosuke Matsuda,Yoshikazu Hattori,Hirokazu Tada,Akira Ono,Yoshiyuki Tanaka, Nucleosides, Nucleotides & Nucleic Acids, Informa UK Limited, Vol. 39, No. 8, p. 1083-1087, 2020/08/02
  • Preparation of perovskite-derived one dimensional single crystals based on edge-shared octahedrons with pyridine derivatives, Thi-Mai Huong Duong,Shunpei Nobusue,Hirokazu Tada, Journal of Crystal Growth, Elsevier BV, Vol. 537, p. 125577-125577, 2020/05
  • Hydrogen Bonds and Molecular Orientations of Supramolecular Structure between Barbituric Acid and Melamine Derivative at the Air/Water Interface Revealed by Heterodyne-Detected Vibrational Sum Frequency Generation Spectroscopy, Masanari Okuno,Shuhei Yamada,Tatsuhiko Ohto,Hirokazu Tada,Waka Nakanishi,Katsuhiko Ariga,Taka-aki Ishibashi, The Journal of Physical Chemistry Letters, American Chemical Society (ACS), Vol. 11, No. 7, p. 2422-2429, 2020/04/02
  • Giant enhancement in coercivity of ferromagnetic α-Fe2O3 nanosheet grown on MoS2, Anup Debnath,Shatabda Bhattacharya,Tapas Kumar Mondal,Hirokazu Tada,Shyamal K. Saha, Journal of Applied Physics, AIP Publishing, Vol. 127, No. 1, p. 013901-013901, 2020/01/07
  • Mechanical switching of current–voltage characteristics in spiropyran single-molecule junctions, Takashi Tamaki,Keigo Minode,Yuichi Numai,Tatsuhiko Ohto,Ryo Yamada,Hiroshi Masai,Hirokazu Tada,Jun Terao, Nanoscale, Royal Society of Chemistry (RSC), Vol. 12, No. 14, p. 7527-7531, 2020
  • Effects of cis–trans Conformation between Thiophene Rings on Conductance of Oligothiophenes, Tatsuhiko Ohto,Takuya Inoue,Helen Stewart,Yuichi Numai,Yoshio Aso,Yutaka Ie,Ryo Yamada,Hirokazu Tada, The Journal of Physical Chemistry Letters, American Chemical Society (ACS), Vol. 10, No. 18, p. 5292-5296, 2019/09/19
  • Highly Planar and Completely Insulated Oligothiophenes: Effects of π-Conjugation on Hopping Charge Transport, Yutaka Ie,Yuji Okamoto,Takuya Inoue,Saori Tone,Takuji Seo,Yasushi Honda,Shoji Tanaka,See Kei Lee,Tatsuhiko Ohto,Ryo Yamada,Hirokazu Tada,Yoshio Aso, The Journal of Physical Chemistry Letters, American Chemical Society (ACS), Vol. 10, No. 12, p. 3197-3204, 2019/06/20
  • Three site molecular orbital controlled single-molecule rectifiers based on perpendicularly linked porphyrin–imide dyads, Murni Handayani,Hirofumi Tanaka,Shinichi Katayose,Tatsuhiko Ohto,Zhijin Chen,Ryo Yamada,Hirokazu Tada,Takuji Ogawa, Nanoscale, Royal Society of Chemistry (RSC), Vol. 11, No. 47, p. 22724-22729, 2019
  • Structure and dynamics of water at water-graphene and water-hexagonal boron-nitride sheet interfaces revealed by: Ab initio sum-frequency generation spectroscopy, Tatsuhiko Ohto,Hirokazu Tada,Yuki Nagata, Physical Chemistry Chemical Physics, Royal Society of Chemistry, Vol. 20, No. 18, p. 12979-12985, 2018
  • Magnetic field effect on pentacene-doped sexithiophene diodes, Song-Toan Pham,Marine Fayolle,Tatsuhiko Ohto,Hirokazu Tada, APPLIED PHYSICS LETTERS, AMER INST PHYSICS, Vol. 111, No. 20, 2017/11
  • Highly Luminescent 2D-Type Slab Crystals Based on a Molecular Charge-Transfer Complex as Promising Organic Light-Emitting Transistor Materials, Sang Kyu Park,Jin Hong Kim,Tatsuhiko Ohto,Ryo Yamada,Andrew O. F. Jones,Dong Ryeol Whang,Illhun Cho,Sangyoon Oh,Seung Hwa Hong,Ji Eon Kwon,Jong H. Kim,Yoann Olivier,Roland Fischer,Roland Resel,Johannes Gierschner,Hirokazu Tada,Soo Young Park, ADVANCED MATERIALS, WILEY-V C H VERLAG GMBH, Vol. 29, No. 36, 2017/09
  • Multifunctional Octamethyltetrasila[2.2]cyclophanes: Conformational Variations, Circularly Polarized Luminescence, and Organic Electroluminescence, Masaki Shimada,Yoshinori Yamanoi,Tatsuhiko Ohto,Song-Toan Pham,Ryo Yamada,Hirokazu Tada,Kenichiro Omoto,Shohei Tashiro,Mitsuhiko Shionoya,Mineyuki Hattori,Keiko Jimura,Shigenobu Hayashi,Hikaru Koike,Munetaka Iwamura,Koichi Nozaki,Hiroshi Nishihara, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, AMER CHEMICAL SOC, Vol. 139, No. 32, p. 11214-11221, 2017/08
  • Analysis of Single Molecule Conductance of Heterogeneous Porphyrin Arrays by Partial Transmission Probabilities, Takashi Tamaki,Tatsuhiko Ohto,Ryo Yamada,Hirokazu Tada,Takuji Ogawa, CHEMISTRYSELECT, WILEY-V C H VERLAG GMBH, Vol. 2, No. 25, p. 7484-7488, 2017/08
  • Enhancement of Carrier Mobility through Deformation Potential in Metal-Containing Insulated Molecular Wires, Tatsuhiko Ohto,Hiroshi Masai,Jun Terao,Wakana Matsuda,Shu Seki,Yasushi Tsuji,Hirokazu Tada, Journal of Physical Chemistry C, AMER CHEMICAL SOC, Vol. 120, No. 47, p. 26637-26644, 2016/12
  • Effective Method for Micro-Patterning Arene-Terminated Monolayers on a Si(111) Electrode, Yoshinori Yamanoi,Tetsuhiro Kobayashi,Hiroaki Maeda,Mariko Miyachi,Masato Ara,Hirokazu Tada,Hiroshi Nishihara, LANGMUIR, AMER CHEMICAL SOC, Vol. 32, No. 27, p. 6825-6829, 2016/07
  • Thiophene-based Tripodal Anchor Units for Hole Transport in Single-Molecule Junctions with Gold Electrodes, Yutaka Ie,Kazunari Tanaka,Aya Tashiro,See Kei Lee,Henrique Rosa Testa,Ryo Yamada,Hirokazu Tada,Yoshio Aso, JOURNAL OF PHYSICAL CHEMISTRY LETTERS, AMER CHEMICAL SOC, Vol. 6, No. 18, p. 3754-3759, 2015/09
  • Determination of the mechanism behind the organic magnetoresistance (OMAR) effect by using impedance spectroscopy, Marine Fayolle,Mariko Yamaguchi,Song Toan Pham,Tatsuhiko Ohto,Hirokazu Tada, INTERNATIONAL JOURNAL OF NANOTECHNOLOGY, INDERSCIENCE ENTERPRISES LTD, Vol. 12, No. 3-4, p. 238-247, 2015
  • Thermopower of Benzenedithiol and C-60 Molecular Junctions with Ni and Au Electrodes, See Kei Lee,Tatsuhiko Ohto,Ryo Yamada,Hirokazu Tada, NANO LETTERS, AMER CHEMICAL SOC, Vol. 14, No. 9, p. 5276-5280, 2014/09
  • Air-Stable n-Type Organic Field-Effect Transistors Based on 4,9-Dihydro-s-indaceno[1,2-b:5,6-b ']dithiazole-4,9-dione Unit, Yutaka Ie,Masashi Ueta,Masashi Nitani,Norimitsu Tohnai,Mikiji Miyata,Hirokazu Tada,Yoshio Aso, CHEMISTRY OF MATERIALS, AMER CHEMICAL SOC, Vol. 24, No. 16, p. 3285-3293, 2012/08
  • Novel SiO2-Deposited CaF2 Substrate for Vibrational Sum-Frequency Generation (SFG) Measurements of Chemisorbed Mono layers in an Aqueous Environment, Adchara Padermshoke,Shouta Konishi,Masato Ara,Hirokazu Tada,Taka-Aki Ishibashi, APPLIED SPECTROSCOPY, SOC APPLIED SPECTROSCOPY, Vol. 66, No. 6, p. 711-718, 2012/06
  • Functional oligothiophenes toward molecular wires in single-molecular electronics, Yutaka Ie,Masaru Endou,Aihong Han,Ryo Yamada,Hirokazu Tada,Yoshio Aso, PURE AND APPLIED CHEMISTRY, WALTER DE GRUYTER GMBH, Vol. 84, No. 4, p. 931-943, 2012
  • Magnetoresistance of single molecular junctions measured by a mechanically controllable break junction method, Ryo Yamada,Motoki Noguchi,Hirokazu Tada, APPLIED PHYSICS LETTERS, AMER INST PHYSICS, Vol. 98, No. 5, 2011/01
  • MECHANISM OF ELECTRICAL CONDUCTION THROUGH SINGLE OLIGOTHIOPHENE MOLECULES, See Kei Lee,Ryo Yamada,Hirokazu Tada,Shoji Tanaka, FUNCTIONAL MATERIALS LETTERS, WORLD SCIENTIFIC PUBL CO PTE LTD, Vol. 3, No. 4, p. 245-248, 2010/12
  • Electronic structure of hydrogen-terminated silicon surfaces [H-Si(111)] studied by two-photon photoemission, Tsuneyuki Nakamura,Ken Miyajima,Naoyuki Hirata,Takeshi Matsumoto,Yoshitada Morikawa,Hirokazu Tada,Atsushi Nakajima, APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, SPRINGER, Vol. 98, No. 4, p. 735-743, 2010/03
  • Patterning of Organic Semiconductors on Silicon Oxide Using an Atomic Force Microscope with an Alternating-Current Electric Field, Ryota Kimura,Ryo Yamada,Hirokazu Tada, APPLIED PHYSICS EXPRESS, JAPAN SOCIETY APPLIED PHYSICS, Vol. 2, No. 11, 2009/11
  • Grafting of Organic Molecules on Silicon Nanowires, Kaoru Kajiwara,Masato Ara,Hirokazu Tada, NANOWIRES - SYNTHESIS, PROPERTIES, ASSEMBLY AND APPLICATIONS, MATERIALS RESEARCH SOC, Vol. 1144, p. 137-141, 2009
  • Electrical conductance of oligothiophene molecular wires, Ryo Yamada,Hiroaki Kumazawa,Tomoharu Noutoshi,Shoji Tanaka,Hirokazu Tada, NANO LETTERS, AMER CHEMICAL SOC, Vol. 8, No. 4, p. 1237-1240, 2008/04
  • Electronegative oligothiophenes based on difluorodioxocyclopentene-annelated thiophenes: Synthesis, properties, and n-type FET performances, Yutaka Le,Yoshikazu Umemoto,Makoto Okabe,Takahiro Kusunoki,Ken-ichi Nakayama,Yong-Jin Pu,Junji Kido,Hirokazu Tada,Yoshio Aso, ORGANIC LETTERS, AMER CHEMICAL SOC, Vol. 10, No. 5, p. 833-836, 2008/03
  • Study on charge transport through a molecule-silicon junction by scanning tunneling microscopy, Tomohiro Nishimura,Masato Ara,Hirokazu Tada, MOLECULAR CRYSTALS AND LIQUID CRYSTALS, TAYLOR & FRANCIS LTD, Vol. 472, p. 705-709, 2007
  • Preparation of nanogap electrodes of silicon by chemical etching, Kiyoshi Mimura,Masato Ara,Hirokazu Tada, MOLECULAR CRYSTALS AND LIQUID CRYSTALS, TAYLOR & FRANCIS LTD, Vol. 472, p. 453-457, 2007
  • Direct observation of adsorption-induced electronic states by low-temperature scanning tunneling microscopy, M Takada,H Tada, ULTRAMICROSCOPY, ELSEVIER SCIENCE BV, Vol. 105, No. 1-4, p. 22-25, 2005/11
  • Scanning tunneling microscopy and spectroscopy of phthalocyanine molecules on metal surfaces, M Takada,H Tada, JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, JAPAN SOC APPLIED PHYSICS, Vol. 44, No. 7B, p. 5332-5335, 2005/07
  • Low temperature scanning tunneling microscopy of phthalocyanine multilayers on Au(111) surfaces, M Takada,H Tada, CHEMICAL PHYSICS LETTERS, ELSEVIER SCIENCE BV, Vol. 392, No. 1-3, p. 265-269, 2004/07
  • Evaluation of carrier mobility of phthalocyanine films in NH3 and NO2 gas atmosphere by field effect measurement, H Touda,H Tada,K Matsushige, MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS, GORDON BREACH SCI PUBL LTD, Vol. 327, p. 287-290, 1999
  • ANGLE-RESOLVED ULTRAVIOLET PHOTOELECTRON-SPECTROSCOPY OF EXPITAXIAL FILMS OF VANADYL-PHTHALOCYANINE GROWN ON ALKALI-HALIDES, T KAWAGUCHI,H TADA,A KOMA, APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, SPRINGER VERLAG, Vol. 61, No. 6, p. 631-635, 1995/12
  • EPITAXIAL-GROWTH OF METAL-PHTHALOCYANINES ON HYDROGEN-TERMINATED SI(111) SURFACES, H TADA,T KAWAGUCHI,A KOMA, APPLIED SURFACE SCIENCE, ELSEVIER SCIENCE BV, Vol. 75, p. 93-98, 1994/01
  • ALTERNATE HETEROEPITAXIAL GROWTH OF VANADYL-PHTHALOCYANINES AND CHLOROALUMINUM-PHTHALOCYANINES ON KBR AND KCL, T MORIOKA,H TADA,A KOMA, JOURNAL OF APPLIED PHYSICS, AMER INST PHYSICS, Vol. 73, No. 5, p. 2207-2214, 1993/03
  • EPITAXIAL-GROWTH OF VANADYL-PHTHALOCYANINE ULTRATHIN FILMS ON HYDROGEN-TERMINATED SI(111) SURFACES, H TADA,T KAWAGUCHI,A KOMA, APPLIED PHYSICS LETTERS, AMER INST PHYSICS, Vol. 61, No. 17, p. 2021-2023, 1992/10
  • STRUCTURAL-ANALYSIS OF LEAD PHTHALOCYANINE ULTRATHIN FILMS GROWN ON CLEAVED FACES OF ALKALI-HALIDES BY REFLECTION HIGH-ENERGY ELECTRON-DIFFRACTION, H TADA,K SAIKI,A KOMA, SURFACE SCIENCE, ELSEVIER SCIENCE BV, Vol. 268, No. 1-3, p. 387-396, 1992/05
  • LOW-ENERGY ELECTRON-ENERGY LOSS SPECTROSCOPY ON EVAPORATED-FILMS OF METAL-FREE AND METAL PHTHALOCYANINES, H TADA,K SAIKI,A KOMA, JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, JAPAN J APPLIED PHYSICS, Vol. 28, No. 5, p. L877-L880, 1989/05

Misc.

  • Air-Stable n-Type Organic Field-Effect Transistors Based on 4,9-Dihydro-s-indaceno[1,2-b:5,6-b ']dithiazole-4,9-dione Unit (vol 24, pg 3285, 2012), Yutaka Ie,Masashi Ueta,Masashi Nitani,Norimitsu Tohnai,Mikiji Miyata,Hirokazu Tada,Yoshio Aso, CHEMISTRY OF MATERIALS, AMER CHEMICAL SOC, Vol. 27, No. 2, p. 648-648, 2015/01
  • Quasi-intrinsic semiconducting state of titanyl-phthalocyanine films obtained under ultrahigh vacuum conditions, H Tada,H Touda,M Takada,K Matsushige, APPLIED PHYSICS LETTERS, AMER INST PHYSICS, Vol. 76, No. 7, p. 873-875, 2000/02
  • 超高真空中で作製したチタニルフタロシアニン薄膜における凝似真性半導体状態, Vol. 76, No. 7, p. 873-875, 2000
  • Field effect mobility of F16PcCu films in various gas atmospheres, H Tada,H Touda,M Takada,K Matsushige, JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, JOHN WILEY & SONS LTD, Vol. 3, No. 6-7, p. 667-671, 1999/08
  • 金1フタロシアニン/シリコンヘテロ構造によるNO┣D22┫D2ガスセンシング, Vol. 327, p. 283-286, 1999
  • さまざまなガス雰囲気中でのF┣D216┫D2PcCu薄膜の電界効果移動度, p. 667-671, 1999
  • NO2 gas sensing with Au/phthalocyanine/Si heterostructures, H Tada,Y Tanimura,Y Fujii,K Matsushige, MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS, GORDON BREACH SCI PUBL LTD, Vol. 327, p. 283-286, 1999
  • Optical characteristics of ultrathin oligosilane films prepared by molecular beam deposition method, D Sasaki,H Tada,K Ishida,T Horiuchi,K Matsushige,T Endo,M Kako,Y Nakadaira, JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, JAPAN J APPLIED PHYSICS, Vol. 37, No. 8A, p. L953-L955, 1998/08
  • Fast Gas Sensing with Metal-Phthalocynaine Films in MIS Structures, Hirokazu Tada,Yasuhiro Fujii,Kazumi Matsushige, MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS, GORDON BREACH PUBLISHING, TAYLOR & FRANCIS GROUP, Vol. 316, p. 371-374, 1998
  • Molecular stacking in epitaxial crystals of oxometal phthalocyanines, H Yanagi,T Mikami,H Tada,T Terui,S Mashiko, JOURNAL OF APPLIED PHYSICS, AMER INST PHYSICS, Vol. 81, No. 11, p. 7306-7312, 1997/06
  • Epitaxial growth of C-60 crystals vapor-deposited on a KI (001) surface, H Yanagi,S Doumi,T Sasaki,H Tada, JOURNAL OF APPLIED PHYSICS, AMER INST PHYSICS, Vol. 80, No. 9, p. 4990-4996, 1996/11
  • Enhancement of the third-order nonlinear optical susceptibility in epitaxial vanadyl-phthalocyanine films grown on KBr, SL Fang,H Tada,S Mashiko, APPLIED PHYSICS LETTERS, AMER INST PHYSICS, Vol. 69, No. 6, p. 767-769, 1996/08
  • Angle-resolved ultraviolet photoelectron spectroscopy of expitaxial films of vanadyl-phthalocyanine grown on alkali halides, T. Kawaguchi,H. Tada,A. Koma, Applied Physics A Materials Science & Processing, Springer-Verlag, Vol. 61, No. 6, p. 631-635, 1995/12
  • COMPUTER-SIMULATION FOR MOLECULAR-ORIENTATION OF VANADYL PHTHALOCYANINE IN EPITAXIAL FORM, H TADA,S MASHIKO, JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, JAPAN J APPLIED PHYSICS, Vol. 34, No. 7B, p. 3889-3897, 1995/07
  • Characterization of organic epitaxial films by atomic force microscopy, H Tada,S Mashiko, MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS, GORDON BREACH SCI PUBL LTD, Vol. 267, p. 145-150, 1995
  • EPITAXIAL-GROWTH OF METAL-PHTHALOCYANINES ON SELENIUM-TERMINATED GAAS(111) SURFACES, H YAMAMOTO,H TADA,T KAWAGUCHI,A KOMA, APPLIED PHYSICS LETTERS, AMER INST PHYSICS, Vol. 64, No. 16, p. 2099-2101, 1994/04
  • EPITAXIAL-GROWTH OF ULTRATHIN VANADYL-NAPHTHALOCYANINE FILMS ON RBI, KI AND KBR, H TADA,T MORIOKA,A KOMA, JOURNAL OF PHYSICS-CONDENSED MATTER, IOP PUBLISHING LTD, Vol. 6, No. 10, p. 1881-1892, 1994/03
  • STRUCTURAL-ANALYSIS OF EPITAXIAL-FILMS OF METAL PHTHALOCYANINES ON HYDROGEN-TERMINATED SI(111) SURFACES, T KAWAGUCHI,H TADA,A KOMA, JOURNAL OF APPLIED PHYSICS, AMER INST PHYSICS, Vol. 75, No. 3, p. 1486-1492, 1994/02

Publications

  • フタロシアニン薄膜の構造, フタロシアニン, 1997
  • Structure of phthalocynaine thin films, Phthalocyanine, 1997

Committee Memberships

  • 有機分子分科会常任幹事, 1996 - 1997