Researcher Database

YAMAMOTO, Takashi

FacultyGraduate School of Science and Engineering Engineering for Production and Environment
PositionAssociate Professor
Last Updated :2020/07/04

Researcher Profile and Settings

Profile and Settings

Name

  • Name

    YAMAMOTO, Takashi

Education, Etc.

Education

  • 1999/04 - 2002/03, The University of Tokyo, Graduate School of Science
  • 1997/04 - 1999/03, The University of Tokyo, Graduate School of Science
  • 1993/04 - 1997/03, The University of Tokyo, Faculty of Science

その他基本情報

Association Memberships

  • JAPAN SOCIETY FOR MOLECULAR SCIENCE
  • THE CHEMICAL SOCIETY OF JAPAN
  • THE PHYSICAL SOCIETY OF JAPAN

Committee Memberships

  • 2014/10 - 2015/09

Academic & Professional Experience

  • 2018/04 - Today, Ehime University
  • 2013/04 - Today, Graduate School of Science and Engineering, Ehime University
  • 2008/04 - Today
  • 2008/04 - 2013/03, Graduate School of Science, Osaka University
  • 2005/04 - 2008/03
  • 2002/04 - 2005/03
  • 1999/04 - 2002/03

Research Activities

Book, papers, etc

Published Papers

  • 2017/10, 2045-2322, 10.1038/s41598-017-13118-4
  • Anisotropic Field Dependence of the Superconducting Transition in the Magnetic Molecular Superconductor kappa-(BETS)(2)FeBr4, Shuhei Fukuoka, Satoshi Yamashita, Yasuhiro Nakazawa, Takashi Yamamoto, Hideki Fujiwara, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2017/01, 0031-9015, 10.7566/JPSJ.86.014706
  • Intra- versus Inter-dimer Charge Inhomogeneity in the Triangular Lattice Compounds of beta '-Cs[Pd(dmit)(2)](2): A Degree of Freedom Characteristic of an Interchange of Energy Levels in the Molecular Orbitals, Takashi Yamamoto, Masafumi Tamura, Kyuya Yakushi, Reizo Kato, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2016/10, 0031-9015, 10.7566/JPSJ.85.104711
  • Thermodynamic properties of antiferromagnetic ordered states of pi-d interacting systems of kappa-(BETS)(2)FeX4(X = Br, Cl), Shuhei Fukuoka, Satoshi Yamashita, Yasuhiro Nakazawa, Takashi Yamamoto, Hideki Fujiwara, Takashi Shirahata, Kazuko Takahashi, PHYSICAL REVIEW B, PHYSICAL REVIEW B, 2016/06, [Refereed], 2469-9950, 10.1103/PhysRevB.93.245136
  • 2015/12, 0036-8075, 10.1126/science.aab3480
  • Raman spectroscopy study of charge fluctuation in the spin-liquid candidate κ-(BEDT-TTF)<inf>2</inf>Cu<inf>2</inf>(CN)<inf>3</inf>, Kyuya Yakushi, Kaoru Yamamoto, Takashi Yamamoto, Yohei Saito, Atsushi Kawamoto, Journal of the Physical Society of Japan, Journal of the Physical Society of Japan, 2015/08, 0031-9015, 10.7566/JPSJ.84.084711
  • Activation energy for photoconduction in molecular crystals, N. Nagayama, T. Yamamoto, T. Naito, CheM, CheM, 2015, [Refereed]
  • 2014/05, 0031-9015, 10.7566/JPSJ.83.053703
  • 2013/09, 1388-6150, 10.1007/s10973-013-3015-5
  • 2013/06, [Refereed], 1932-7447, 10.1021/jp403193a
  • 2012/09, [Refereed], 2073-4352, 10.3390/cryst2030893
  • 2012/05, 0370-1972, 10.1002/pssb.201100685
  • 2012/03, [Refereed], 0040-6031, 10.1016/j.tca.2011.02.001
  • High-Pressure AC Calorimetry System Using Pt Chip Thermometer, Mayu Danda, Yuki Muraoka, Takashi Yamamoto, Yasuhiro Nakazawa, Calorimetry and Thermal Analysis (Netsu Sokutei), Calorimetry and Thermal Analysis (Netsu Sokutei), 2012, [Refereed]
  • Magnetic heat capacities of kappa-(BETS)(2)FeBr4 measured by a micro-chip calorimeter, Shuhei Fukuoka, Satoshi Yamashita, Takashi Yamamoto, Yasuhiro Nakazawa, Akiko Kobayashi, Hayao Kobayashi, PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 9, NO 5, PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 9, NO 5, 2012, 1862-6351, 10.1002/pssc.201100640
  • 2011/12, [Refereed], 0031-9015, 10.1143/JPSJ.80.123709
  • 2011/10, 0020-1669, 10.1021/ic200863c
  • 2011/07, 0031-9015, 10.1143/JPSJ.80.074717
  • 2011/04, [Refereed], 2041-1723, 10.1038/ncomms1274
  • 2011, 1742-6588, 10.1088/1742-6596/320/1/012027
  • Low temperature heat capacity measurements of the spin-liquid states of hydrogenated and deuterated kappa-(BEDT-TTF)(2)Cu-2(CN)(3), S. Yamashita, T. Yamamoto, Y. Nakazawa, PHYSICA B-CONDENSED MATTER, PHYSICA B-CONDENSED MATTER, 2010/06, 0921-4526, 10.1016/j.physb.2009.12.053
  • Heat capacity measurements of chiral and racemic molecular magnets, Shuhei Fukuoka, Satoshi Yamashita, Takashi Yamamoto, Yasuhiro Nakazawa, Hiroyuki Higashikawa, Katsuya Inoue, Physica B: Condensed Matter, Physica B: Condensed Matter, 2010/06, 0921-4526, 10.1016/j.physb.2010.02.002
  • 2010/06, 0921-4526, 10.1016/j.physb.2009.11.059
  • 2008/06, 0020-1669, 10.1021/ic800176q
  • 2008/02, [Refereed], 0031-9015, 10.1143/JPSJ.77.024714
  • 2008, [Refereed], 1098-0121, 10.1103/PhysRevB.77.205120
  • 2007/08, 0034-6748, 10.1063/1.2777191
  • 2007/05, [Refereed], 1098-0121, 10.1103/PhysRevB.75.205132
  • 2006/07, [Refereed], 0031-9015, 10.1143/JPJS.75.074604
  • Charge ordering state of beta ''-(ET)(3)(HSO4)(2) and beta('')-(ET)(3)(ClO4)(2) by temperature-dependent infrared and Raman spectroscopy, T Yamamoto, M Uruichi, K Yakushi, A Kawamoto, PHYSICAL REVIEW B, PHYSICAL REVIEW B, 2006/03, 1098-0121, 10.1103/PhysRevB.73.125116
  • Unusual electronic state of layered Φ-(ET) 2 X studied by Raman spectroscopy, K. Yakushi, K. Suzuki, K. Yamamoto, T. Yamamoto, A. Kawamoto, Journal of Low Temperature Physics, Journal of Low Temperature Physics, 2006/02, 0022-2291, 10.1007/s10909-006-9112-0
  • 2006/02, [Refereed], 0022-2291, 10.1007/s10909-006-9103-1
  • Thermal conductivity of (DMe-DCNQI)2 Li1-x Cux (0≤x≤0.14): Phonon propagation and the spin-Peierls lattice distortion, Kiyoshi Torizuka, Kiyoshi Torizuka, Hiroyuki Tajima, Takashi Yamamoto, Physical Review B - Condensed Matter and Materials Physics, Physical Review B - Condensed Matter and Materials Physics, 2005/12, 1098-0121, 10.1103/PhysRevB.71.193101
  • Vibrational spectra of beta ''-(ET)(3)X-2 (X = HSO4, ClO4) salts, T Yamamoto, M Uruichi, K Yamamoto, K Yakushi, A Kawamoto, SYNTHETIC METALS, SYNTHETIC METALS, 2005/12, 0379-6779, 10.1016/j.synthemt.2005.08.016
  • Robust superconducting state in the low-quasiparticle-density organic metals β″-(BEDT-TTF)4[(H3O)M(C2O4)3]Y: Superconductivity due to proximity to a charge-ordered state, A. F. Bangura, A. I. Coldea, J. Singleton, A. Ardavan, A. Akutsu-Sato, A. Akutsu-Sato, H. Akutsu, H. Akutsu, S. S. Turner, P. Day, T. Yamamoto, K. Yakushi, Physical Review B - Condensed Matter and Materials Physics, Physical Review B - Condensed Matter and Materials Physics, 2005/10, 1098-0121, 10.1103/PhysRevB.72.014543
  • 2005/08, 0022-3697, 10.1016/j.jpcs.2005.05.060
  • 2005/08, 1520-6106, 10.1021/jp050247o
  • Bond and charge-density waves in (DI-DCNQI)(2)Ag (DI-DCNQI=2,5-diiodo-N,N '-dicyanoquinediimine) studied by single-crystal infrared and Raman spectroscopy, K Yamamoto, T Yamamoto, K Yakushi, C Pecile, M Meneghetti, PHYSICAL REVIEW B, PHYSICAL REVIEW B, 2005/01, 1098-0121, 10.1103/PhysRevB.71.045118
  • Charge disproportionate state of BEDT-TTF β" - Salts, T. Yamamoto, M. Uruichi, K. Yakushi, Jun Lchi Yamaura, H. Tajima, A. Kawamoto, Journal De Physique. IV : JP, Journal De Physique. IV : JP, 2004/12, 1155-4339, 10.1016/j.prp.2004.03.007
  • Infrared and Raman evidence for the charge-ordering in β″-(BEDT- TTF)<inf>3</inf>(ReO<inf>4</inf>)<inf>2</inf>, Takashi Yamamoto, Mikio Uruichi, Kyuya Yakushi, Jun Ich Yamaura, Hiroyuki Tajima, Physical Review B - Condensed Matter and Materials Physics, Physical Review B - Condensed Matter and Materials Physics, 2004/09, 0163-1829, 10.1103/PhysRevB.70.125102
  • Infrared and Raman study of the charge-ordered state of theta-(ET)(2)Cu2CN[N(CN)(2)](2), T Yamamoto, K Yakushi, Y Shimizu, G Saito, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2004/08, 0031-9015, 10.1143/JPSJ.73.2326
  • 2004/03, [Refereed], 0301-0104, 10.1016/j.chemphys.2003.11.023
  • 2003/03, 0379-6779, 10.1016/S0379-6779(02)00313-2
  • 2002/12, 0031-9015, 10.1143/JPSJ.71.3059
  • Raman spectra of (Me-2-DCNQI)(2)CuxLi1-x(0 &lt;= x &lt;= 1): The evidence for charge separation at room temperature in a one-dimensional conductor having a quarter-filled band, T Yamamoto, H Tajima, R Kato, M Uruichi, K Yakushi, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2002/08, 0031-9015, 10.1143/JPSJ.71.1956
  • Electrical and magnetic properties of weak ferromagnetic organic conductor, tau-(EDO-S, S-DMEDT-TTF)(2)(AuBr2)(1+y), (y similar to 0.75) and its analogs, H Yoshino, T Konoike, K Murata, GC Papavassiliou, T Sasaki, T Yamamoto, H Tajima, MOLECULAR CRYSTALS AND LIQUID CRYSTALS, MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 2002, 1058-725X, 10.1080/10587250210722
  • Low temperature electric nature of tau-phase conductors, T Konoike, A Oda, K Iwashita, T Yamamoto, H Tajima, H Yoshino, K Ueda, T Sugimoto, K Hiraki, T Takahashi, T Sasaki, Y Nishio, K Kajita, GC Papavassiliou, GA Mousdis, K Murata, SYNTHETIC METALS, SYNTHETIC METALS, 2001/03, [Refereed], 0379-6779, 10.1016/S0379-6779(00)01022-5
  • 2001/03, 0379-6779, 10.1016/S0379-6779(00)01471-5
  • beta ''-(F-T)(3)(MnCl4)(1,1,2-C2H3Cl3) (ET = bis(ethylenedithio)tetrathiafulvalene); a pressure-sensitive new molecular conductor with localized spins, T Naito, T Inabe, K Takeda, K Awaga, T Akutagawa, T Hasegawa, T Nakamura, T Kakiuchi, H Sawa, T Yamamoto, H Tajima, JOURNAL OF MATERIALS CHEMISTRY, JOURNAL OF MATERIALS CHEMISTRY, 2001, 0959-9428, 10.1039/b102786g
  • 2000/12, 0031-9015, 10.1143/JPSJ.69.4066
  • 2000, 0038-1098, 10.1016/S0038-1098(00)00033-8
  • Raman and optical investigations on charge localization in the one-dimensional organic conductors (TTM-TTP)(I<inf>3</inf>)<inf>5/3</inf>and (TSM-TTP)(I<inf>3</inf>)<inf>5/3</inf>, T. Kawamoto, M. Ashizawa, M. Aragaki, T. Mori, T. Yamamoto, H. Tajima, H. Kitagawa, T. Mitani, Y. Misaki, K. Tanaka, Physical Review B - Condensed Matter and Materials Physics, Physical Review B - Condensed Matter and Materials Physics, 1999/12, 0163-1829, 10.1103/PhysRevB.60.4635
  • 1999/06, 0379-6779, 10.1016/S0379-6779(98)00883-2
  • 1999/04, 0031-9015

Books etc

  • Advances and Applications in Energy Storage and Conversion: Chapter 2: Diversity in the Electronic Phase due to Interchange of MO Levels in [M(dmit)2] Anion Salts (M = Pd and Pt) in Functional Materials (p83-p155), Takashi Yamamoto, Sole author, Chapter 2, Pan Stanford Publishing Pte. Ltd., 2018/10, 83-155, 9780429468131
  • 2011/09

Conference Activities & Talks

  • Hidden Ordered States Characteristic of Interchange of MO Levels in Molecule-Based Conductors, YAMAMOTO Takashi, The Toyota Riken International Workshop: Organic Semiconductors, Conductors, and Electronics, 2018/10, 招待有り
  • 2018/09
  • Interplay between spin, charge, lattice and orbital in molecule-based frustrated spin system, Takashi Yamamoto, Toshio Naito, Yasuhiro Nakazawa, Masafumi Tamura, Kyuya Yakushi, Reizo Kato, 43rd International Conference on Coordination Chemistry, 2018/08
  • 2018/03
  • 2018/03
  • 2017/09
  • 2017/09
  • 2017/03
  • 2017/03
  • 2017/03
  • 「分子固体物性における分子間距離の役割」, YAMAMOTO Takashi, Workshop on Materials Science under Ultra-High Pressure MATSUYAMA 2017, 2017/03
  • 2016/09
  • 2016/09
  • 2016/09
  • Uniaxial Strain Effects on β&quot;-type BEDT-TTF salts, OKII, Yuichi, YAMAMOTO, Takashi, NAITO, Toshio, KONISHI, Kensuke, 2016/03
  • 2015/09
  • 2015/09
  • 2015/03
  • 2015/03
  • 2015/03
  • 2014/09
  • Charge Fluctuation in the Antiferromagnetic, YAMAMOTO Takashi, International Conference on Science and Technology of Synthetic Metals (ICSM 2014)., 2014/07
  • 2014/03
  • 2014/03
  • 2014/03
  • 2014/01, 招待有り
  • 2013/09
  • 2013/09
  • 2013/09
  • 2013/09
  • “Experimental study on the mechanism of the charge frustration in the molecular superconductors”, T. Yamamoto, Y. Nakazawa, M. Tamura, K. Yakushi, R. Kato, 10th International Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets (ISCOM 2013), 2013/07
  • 2013/03, 招待有り
  • 2013/03
  • 2013/03
  • 2013/03
  • 2012/09
  • 2012/09
  • 2012/09
  • 2012/09
  • 2012/09
  • 2012/09
  • 2012/09
  • CHARGE FLUCTUATION IN VARIOUS ORGANIC SUPERCONDUCTORS, YAMAMOTO Takashi, The International Conference on Science and Technology of Synthetic Metals 2012 (ICSM 2012), 2012/07
  • 2012/03
  • 2012/03
  • 2012/03
  • Chemical Approach to Inducing Charge Fluctuation, YAMAMOTO Takashi, MDF International Workshop: Open-shell Organic Molecules. –Synthesis and Electronic Structure Freedom–, 2011/10, 招待有り
  • “Rich variety in the ground states of [Pd(dmit)2]2 salts, and the methodology for analysing intra-dimer interactions, inter-dimer interactions and MO levels”, T. Yamamoto, Y. Nakazawa, M. Tamura, K. Yakushi, R. Kato, 9th International Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets (ISCOM 2011), 2011/09
  • 2011/09
  • 2011/09
  • 2011/09
  • 2011/09
  • 2011/09
  • 2011/03
  • 2011/03
  • 2011/03
  • 2011/03
  • 2011/03
  • 2010/09
  • 2010/09
  • 2010/09
  • 2010/09
  • 2010/09
  • 2010/09
  • “Fluctuations around the Quantum Critical Point of Tightly Dimerized Molecular Conductors”, T. Yamamoto, Y. Muraoka, R. Yoshimoto, S. Yamashita, Y. Nakazawa, Y. Ikemoto, T. Moriwaki, R. Kato, K. Yakushi, International Conference on Science and Technology of Synthetic Metals. (ICSM 2010), 2010/07
  • 2010/03
  • 2010/03
  • 2010/03
  • 2009/09
  • Charge Fluctuation of the Superconducting Molecular Crystals, YAMAMOTO Takashi, The 8th International Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets (ISCOM2009), 2009/09
  • 2009/03
  • 2008/09
  • 2008/09
  • 2008/09
  • 2008/03
  • 2008/03
  • Technique for anisotropic extension of molecular crystals: Application to organic superconductors, YAMAMOTO Takashi, SEVENTH INTERNATIONAL SYMPOSIUM ON CRYSTALLINE ORGANIC METALS,. SUPERCONDUCTORS AND FERROMAGNETS (ISCOM2007), 2007/09
  • Charge Ordering State of ET, BETS and [Pd(dmit)2] Salts by Temperature-Dependent Vibrational Spectroscopy, YAMAMOTO Takashi, International Conference on Science and Technology of Synthetic Metals, (ICSM 2006), 2006/07

Misc

  • 2017
  • 31, 45, 47, 2016
  • 2015
  • 44, 237, 255, 2009
  • 2008
  • “New clues on organic superconductors”, YAMAMOTO Takashi, RIKEN Research highlights, RIKEN Research highlights, 3, 5, 2008

Other Research Activities

Patents

  • 特願2008-056443, 特開2009-210526, 特許第5060347号
  • 特願2008-056443, 特開2009-210526

Awards & Honors

  • 2012/10
  • 2011/08
  • 2008/03
  • 2008/01

Activity track record

Educational activities

Course in charge

  • 2019, the first semester, under graduate, 物理化学Ⅱ
  • 2019, the first semester, under graduate, 卒業研究Ⅰ
  • 2019, the first semester, under graduate, 物理化学演習


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