Organization
Graduate School of Science Associate professor
Graduate School
Graduate School of Science
Undergraduate School
School of Science
Title
Associate professor
Contact information
MATSUSHITA, Michio m.
Degree 1
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Ph.D （ 1997.3 The University of Tokyo ）
Research Interests 2
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Molecular systems with plasticity
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Organic Spintronics
Research Areas 2
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Nanotechnology/Materials / Structural organic chemistry and physical organic chemistry / Molecular magnetism
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Nanotechnology/Materials / Organic functional materials / Molecular electronics
Current Research Project and SDGs 2
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Coexisting system of magnetism and conductivity
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Organic conductive crystals with plasticity
Research History 7
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Nagoya University Department of Chemistry, Graduate School of Science Associate professor
2008.4
Country：Japan
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The University of Tokyo Department of Basic Science, Graduate School of Arts & Sciences Assistant Professor
2007.4 - 2008.3
Country：Japan
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The University of Tokyo Department of Basic Science, Graduate School of Arts & Sciences Assistant
2000.11 - 2007.3
Country：Japan
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科学技術振興事業団さきがけ研究２１「状態と変革」 研究員
1999.10 - 2002.9
Country：Japan
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Tokyo Metropolitan University Department of Applied Chemistry, Graduate School of Engineering Assistant
1998.4 - 2000.10
Country：Japan
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Tokyo Metropolitan University Department of Industrial Chemistry, Graduate School of Engineering Assistant
1997.7 - 1998.3
Country：Japan
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JSPS Research Fellow
1997.4 - 1997.6
Country：Japan
Education 3
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The University of Tokyo Graduate School, Division of General Culture Department of Basic Science
1994.4 - 1997.3
Country： Japan
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The University of Tokyo Graduate School, Division of Science
1992.4 - 1994.3
Country： Japan
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Chiba University Faculty of Science Department of Chemistry
1988.4 - 1992.3
Country： Japan
Professional Memberships 7
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The Chemical Society of Japan
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The Society of Polymer Science, Japan
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The Japanese Photochemistry Association
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Japan Society for Molecular Science
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The Physical Society of Japan
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有機結晶部会
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分子アーキテクトニクス研究会
Awards 1
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平成２０年度分子科学会奨励賞
2008.9 分子科学会
Papers 61
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Jin, YG; Chen, Q; Shuku, Y; Matsushita, MM; Xu, W; Awaga, K
CHEMISTRY OF MATERIALS 2024.9
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Unveiling π-π interactions in triptycene-phenazine/SWCNT redox chemistry using ESR spectroscopy Reviewed
Chen, Q; Suizu, R; Shuku, Y; Omachi, H; Matsushita, MM; Fukuura, S; Yumura, T; Bandow, S; Awaga, K
JOURNAL OF MATERIALS CHEMISTRY A Vol. 12 ( 36 ) 2024.9
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Photocurrent EDMR Measurement and Carrier Behavior of TIPS-Pentacene Under FET Device Operation Reviewed
Kobayashi, H; Matsushita, MM; Kato, K; Fujiwara, M; Teki, Y
APPLIED MAGNETIC RESONANCE 2024.9
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Yokokura, S; Tomimatsu, A; Ishiguro, J; Harada, J; Takahashi, H; Takahashi, Y; Nakamura, Y; Kishida, H; Suizu, R; Matsushita, MM; Awaga, K
ACS APPLIED MATERIALS & INTERFACES Vol. 13 ( 27 ) page： 31928 - 31933 2021.7
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Takahashi, Y; Kondo, T; Yokokura, S; Takehisa, M; Harada, J; Inabe, T; Matsushita, MM; Awaga, K
CRYSTAL GROWTH & DESIGN Vol. 20 ( 7 ) page： 4758 - 4763 2020.7
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Nanjo, C; Yokogawa, D; Matsushita, MM; Awaga, K
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 22 ( 22 ) page： 12395 - 12402 2020.6
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High Ambipolar Mobility in a Neutral Radical Gold Dithiolene Complex Reviewed
Mizuno, A; Benjamin, H; Shimizu, Y; Shuku, Y; Matsushita, MM; Robertson, N; Awaga, K
ADVANCED FUNCTIONAL MATERIALS Vol. 29 ( 42 ) 2019.10
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Ionic liquid thin layer-induced memory effects in organic field-effect transistors Reviewed
Eguchi, K; Matsushita, MM; Awaga, K
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 21 ( 35 ) page： 18823 - 18829 2019.9
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Tomimatsu, A; Yokokura, S; Reissig, L; Dalgleish, S; Matsushita, MM; Awaga, K
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 21 ( 25 ) page： 13440 - 13445 2019.7
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Wu Yang, Yan Dongwan, Zhang Zhongyue, Matsushita Michio M., Awaga Kunio
ACS APPLIED MATERIALS & INTERFACES Vol. 11 ( 8 ) page： 7661 - 7665 2019.2
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Eguchi Keitaro, Matsushita Michio M., Awaga Kunio
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 122 ( 45 ) page： 26054 - 26060 2018.11
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Beldjoudi Yassine, Nascimento Mitchell A., Cho Yong Joo, Yu Hyeonghwa, Aziz Hany, Tonouchi Daiki, Eguchi Keitaro, Matsushita Michio M., Awaga Kunio, Osorio-Roman Igor, Constantinides Christos P., Rawson Jeremy M.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 140 ( 20 ) page： 6260 - 6270 2018.5
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Eguchi Keitaro, Imai Yoshiaki, Matsushita Michio M., Awaga Kunio
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 122 ( 14 ) page： 7731 - 7736 2018.4
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Giant negative magnetoresistance in Ni(quinoline-8-selenoate)(2)
Black Nicholas, Daiki Tonouchi, Matsushita Michio M., Woollins J. Derek, Awaga Kunio, Robertson Neil
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 20 ( 1 ) page： 514 - 519 2018.1
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3D Spin-Liquid State in an Organic Hyperkagome Lattice of Mott Dimers
Mizuno Asato, Shuku Yoshiaki, Matsushita Michio M., Tsuchiizu Masahisa, Hara Yuuki, Wada Nobuo, Shimizu Yasuhiro, Awaga Kunio
PHYSICAL REVIEW LETTERS Vol. 119 ( 5 ) 2017.7
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Negative differential resistance in the Peierls insulating phases of TTF-TCNQ
Tonouchi Daiki, Matsushita Michio M., Awaga Kunio
PHYSICAL REVIEW B Vol. 96 ( 4 ) 2017.7
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Pilia L., Matsushita M. M., Awagac K., Robertson N.
NEW JOURNAL OF CHEMISTRY Vol. 41 ( 13 ) page： 5487 - 5492 2017.7
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Molecular and thin film properties of cobalt half-sandwich compounds for optoelectronic application
Reinhardt Maxwell, Dalgleish Simon, Shuku Yoshiaki, Reissig Louisa, Matsushita Michio M., Crain Jason, Awaga Kunio, Robertson Neil
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 19 ( 9 ) page： 6768 - 6776 2017.3
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Itoh Takuro, Toyota Taro, Higuchi Hiroyuki, Matsushita Michio M., Suzuki Kentaro, Sugawara Tadashi
CHEMICAL PHYSICS LETTERS Vol. 671 page： 71 - 77 2017.3
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A perovskite based plug and play AC photovoltaic device with ionic liquid induced transient opto-electronic conversion Reviewed
S. Karak, C. Nanjo, M. Odaka, K. Yuyama, G. Masuda, M. M. Matsushita, K. Awaga
Journal of Materials Chemistry A Vol. 4 page： 9019-9028 2016
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Energy levels of metal porphyrins upon molecular alignment during layer-by-layer electrostatic assembly: scanning tunneling spectroscopy vis-´a-vis optical spectroscopy Reviewed
B. Kundu, S. Chakrabarti, M. M. Matsushita, A. J. Pal
RSC Advances Vol. 6 page： 47410-47417 2016
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Electrochemical deposition of highly-conducting metal dithiolene films Reviewed
E. Allwright, G. Silber, J. Crain, M. M. Matsushita, K. Awaga, N. Robertson
Dalton Transactions Vol. 45h page： 9363-9368 2016
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Transport characteristics of the organic field-effect transistors based on charge transfer complex as semiconductors Reviewed
S. Yokokura, Y. Takahashi, H. Hasegawa, J. Harada, T. Inabe, M. M. Matsushita, K. Awaga
Journal of Nanoscience and Nanotechnology Vol. 16 page： 3355-3359 2016
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Discovery of the K4 Structure Formed by a Triangular π Radical Anion Reviewed
A. Mizuno, Y. Shuku, R. Suizu, M. M. Matsushita, M. Tsuchiizu, D. M. Reta, F. Illas, V. Robert, K. Awaga
J. Am. Chem. Soc. Vol. 137 page： 7612-7615 2015
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Switching of Transfer Characteristics of an Organic Field-Effect Transistor by Phase Transitions: Sensitive Response to Molecular Dynamics and Charge Fluctuation Reviewed
S. Yokokura, Y. Takahashi, H. Nonaka, H. Hasegawa, J. Harada, T. Inabe, R. Kumai, H. Okamoto, M. M. Matsushita, K. Awaga
Chem. Mater. Vol. 27 page： 4441-4449 2015
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Photocurrent Generation in Organic Photodetectors with Tailor-Made Active Layers Fabricated by Layer-by-Layer Deposition
B. Vonhoeren, S. Dalgleish,L. Hu, M. M. Matsushita, K. Awaga, B. J. Ravoo
ACS Appl. Mater. Interfaces Vol. 7 page： 7049-7053 2015
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Organic optoelectronic interfaces with anomalous transient photocurrent Reviewed
L. Hu, X. Liu, S. Dalgleish, M. M. Matsushita, H. Yoshikawa, K. Awaga
J. Mater. Chem. C. Vol. 3 page： 5122-5135 2015
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Factors Affecting the Stability and Performance of Ionic Liquid-Based Planar Transient Photodetectors
S. Dalgleish, L. Reissig, L. Hu, M. M. Matsushita, Y, Sudo, K. Awaga
Langmuir Vol. 31 page： 5235-5243 2015
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Ambipolar Transport in Phase-Separated Thin Films of p- and n-Type Vanadylporphyrazines with Two-Dimensional Percolation Reviewed
Chihiro Nanjo, Takuya Fujimoto, Michio M. Matsushita, and Kunio Awaga
J. Phys. Chem. C Vol. 118 page： 14142-14149 2014
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A new metal-organic hybrid material with intrinsic resistance-based bistability: monitoring in situ room temperature switching behavior Reviewed
Zhongyue Zhang, Hanhua Zhao, Michio M. Matsushita, Kunio Awaga, and Kim R Dunbar
J. Mater. Chem. C Vol. 2 page： 399-404 2014
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Giant Magnetoresistance in a Molecular Thin Film as an Intrinsic Property Reviewed
Luca Pilia, Michele Serri, Michio M. Matsushita, Kunio Awaga, Sandrine Heutz, and Neil Robertson
Adv. Func. Mater. Vol. 24 page： 2383-2388 2014
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Storage of an electric field for photocurrent generation in ferroelectric-functionalized organic devices Reviewed
Laigui Hu, Simon Dalgleish, Michio M. Matsushita, Hirofumi Yoshikawa, and Kunio Awaga
Nature Commun. Vol. 5 page： 4279/1-4279/8 2014
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Electron-transfer processes in highly-correlated electron systems of thiazyl radicals Reviewed
Kunio Awaga, Kenji Nomura, Hideo Kishida, Wataru Fujita, Hirofumi Yoshikawa, Michio M. Matsushita, Laigui Hu, Yoshiaki Shuku, and Rie Suizu
Bull. Chem. Soc. Jpn. Vol. 87 page： 234-249 2014
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Thiadiazole dioxide-fused picene: acceptor ability, anion radical formation, and n-type charge transport characteristics Reviewed
Yongfa Xie, Yoshiaki Shuku, Michio M. Matsushita, and Kunio Awaga
Chem. Commun. Vol. 50 page： 4178-4180 2014
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Chemical control of the monovalent-divalent electron-transfer phase transition in biferrocenium-TCNQ salts Reviewed
Tomoyuki Mochida, Yusuke Funasako, Kousuke Takazawa, Masashi Takahashi, Michio M. Matsushita, and Tadashi Sugawara
Chem. Commun. Vol. 50 page： 5473-5475 2014
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Synthesis, optical properties and charge transport characteristics of a series of novel thiophene-fused phenazine derivatives Reviewed
Y. Xie, T. Fujimoto, S. Dalgleish, Y. Shuku, M. M. Matsushita, and K. Awaga
J. Mater. Chem. C Vol. 1 page： 3467-3481 2013
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Ambipolar Carrier Injections Governed by Electrochemical Potentials of Ionic Liquids in Electric-Double-Layer Thin-Film Transistors of Lead- and Titanyl-Phthalocyanine Reviewed
T. Fujimoto, M. M. Matsushita, and K. Awaga
J. Phys. Chem. C Vol. 117 page： 5552-5557 2013
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Electric double layers allow for opaque electrodes in high performance organic optoelectronic devices Reviewed
B. Li, S. Dalgleish, Y. Miyoshi, H. Yoshikawa, M. M. Matsushita, and K. Awaga
Appl. Phys. Lett. Vol. 101 page： 173302/1-173302/5 2012
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Crystal Structure, Spin Polarization, Solid-State Electrochemistry, and High n-Type Carrier Mobility of a Paramagnetic Semiconductor: Vanadyl Tetrakis(thiadiazole)porphyrazine
Y. Miyoshi, K. Takahashi, T. Fujimoto, H. Yoshikawa, M. M. Matsushita, Y. Ouchi, M. Kepenekian, V. Robert, M. P. Donzello, C. Ercolani, and K. Awaga
Inorg. Chem. Vol. 51 page： 456-462 2012
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Ionic liquid component dependence of carrier injection and mobility for electric double layer organic thin film transistors for electronic device Reviewed
T. Fujimoto, M. M. Matsushita, and K. Awaga
J. Phys. Chem. C Vol. 116 page： 5240-5245 2012
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Highly efficient organic optoelectronic conversion induced by electric double layers in ionic liquids Reviewed
B. Li, Y. Noda, L. Hu, H. Yoshikawa, M. M. Matsushita, and K. Awaga
Appl. Phys. Lett. Vol. 100 page： 163304/1-163304/4 2012
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Utilizing Photocurrent Transients for Dithiolene-Based Photodetection: Stepwise Improvements at Communications Relevant Wavelengths Reviewed
S. Dalgleish, M. M. Matsushita, L. Hu, B. Li, H. Yoshikawa, and K. Awaga
J. Am. Chem. Soc. Vol. 134 page： 12742-12750 2012
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Planar Ni(II), Cu(II) and Co(II) tetraaza[14]annulenes. Structural, electronic and magnetic properties and application to field effect transistors Reviewed
A. M. Whyte, Y. Shuku, G. S. Nichol, M. M. Matsushita, K. Awaga, and N. Robertson
J. Mater. Chem. Vol. 22 page： 17967-17975 2012
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Photoconductivity and FET performance of an n-type porphyrazine semiconductor, tetrakis(thiadiazole)porphyrazine Reviewed
Y. Miyoshi, T. Fujimoto, H. Yoshikawa, M. M. Matsushita, K. Awaga, T. Yamada, and H. Ito
Org. Electronics Vol. 12 page： 239-243 2011.2
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Electrodeposition as a superior route to a thin film molecular semiconductor Reviewed
S. Dalgleish, H. Yoshikawa, M. M. Matsushita, K. Awaga, and N. Robertson
Chem. Sci Vol. 2 page： 316-320 2011.1
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Superperiodic conductance in a molecularly wired double-dot system self-assembled in a nanogap electrode Reviewed
Y. Noguchi, T. Terui, Takuya Katayama, M. M. Matsushita, and T. Sugawara
J. Appl. Phys. Vol. 108 page： 094313 2010.7
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Dual-gate field-effect transistors of octathio[8]circulene thin-films with ionic liquid and SiO2 gate dielectrics Reviewed
T. Fujimoto, M. M. Matsushita, and K. Awaga
Appl. Phys. Lett. Vol. 97 page： 123303/1-123303/3 2010.6
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Influence of Magnetic Field upon the Conductance of a Unicomponent Crystal of a Tetrathiafulvalene-Based Nitronyl Nitroxide Reviewed
H. Komatsu, M. M. Matsushita, S. Yamamura, Y. Sugawara, K. Suzuki and T. Sugawara
J. Am. Chem. Soc. Vol. 132 page： 4528–4529 2010.3
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Spintronics in organic p-electronic systems Reviewed
Tadashi Sugawara and Michio M. Matsushita
Journal of Materials Chemistry Vol. 19 page： 1738-1753 2009
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Electrochemical field-effect transistors of octathio[8]circulene robust thin films with ionic liquids Reviewed
Fujimoto, Takuya; Matsushita, Michio M.; Awaga, Kunio
Chemical Physics Letters Vol. 483 page： 81-83 2009
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Synthesis and properties of TSF-based spin-polarized donor Reviewed
Komatsu, Hideji; Mogi, Ryoji; Matsushita, Michio M.; Miyagi, Tadashi; Kawada, Yuzo; Sugawara, Tadashi
Polyhedron Vol. 28 page： 1996-2000 2009
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Controlling Co-tunneling Currents in Nanoparticle Networks Using Spin-Polarized Wire Molecules Reviewed
P. Nickels, M. M. Matsushita, M. Minamoto, S. Komiyama, and T. Sugawara
small Vol. 4 page： 471-475 2008
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Electrochemical and Electrochromic Properties of Octathio[8]circulene Thin Films in Ionic Liquids Reviewed
Takuya Fujimoto, Michio M. Matsushita, Hirofumi Yoshikawa, and Kunio Awaga
Journal of The American Chemical Society Vol. 32 page： 17590-17591 2008
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Association-mediated Chromism of Amphiphilic Triphenyl-6-oxoverdazyl Reviewed
Kentaro Suzuki, Michio M. Matsushita, Hiroyuki Hayashi, Noboru Koga, and Tadashi Sugawara
New Journal of Chemistry Vol. 32 page： 2201-2208 2008
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Generation of a triplet diradical from a donor–acceptor cross conjugate upon acid-induced electron transfer Reviewed
Mats O. Sandberg, Osami Nagao, Zhikun Wu, Michio M. Matsushita and Tadashi Sugawara
Chemical Communications page： 3738-3740 2008
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Cotunneling Current Affected by Spin-Polarized Wire Molecules in Networked Gold Nanoparticles Reviewed
T. Sugawara, M. Minamoto, M. M. Matsushita, P. Nickels, S. Komiyama
Physical Review B Vol. 77 page： 235316 2008
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*Molecule-based system with coexisting conductivity and magnetism and without magnetic inorganic ions Reviewed
M. M. Matsushita, H. Kawakami, T. Sugawara, M. Ogata
Physical Review B Vol. 77 page： 195208 2008
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*Negative Magneto-resistance Observed on an Ion-radical salt of a TTF-based Spin-polarized Donor Reviewed
Michio M. Matsushita, Hironori Kawakami, Yuzo Kawada, and Tadashi Sugawara
Chemistry Letters Vol. 36 page： 110-111 2007
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*Current-Induced Low-Resistance State and Its Crystal Structure of a TTF-Based Dimeric Donor Salt Reviewed
Michio M. Matsushita and Tadashi Sugawara
Journal of The American Chemical Society Vol. 127 page： 12450-12451 2005
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*Formation of self-assembled monolayer of phenylthiol carrying nitronyl nitroxide on gold surface Reviewed
Michio M. Matsushita, Naoto Ozaki, Tadashi Sugawara, Fumio Nakamura, and Masahiko Hara
Chemistry Letters page： 596-597 2002
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*Hydrogen-Bonded Organic Ferromagnet Reviewed
Michio M. Matsushita, Akira Izuoka, Tadashi Sugawara, Tatsuya Kobayashi, Nobuo Wada, Naoya Takeda, and Masayasu Ishikawa
Journal of The American Chemical Society Vol. 119 page： 4369-4379 1997
Books 1
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化学便覧 基礎編 改訂第６版
松下未知雄、阿波賀邦夫（ Role： Contributor , 第14章 電気・磁気・光学的性質 14.4 磁性）
日本化学会 編, 丸善出版 2021.1 （ ISBN:978-4-621-30521-8 ）
Presentations 1
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有機ラジカルをスピン源とするスピントロニクス材料の開発 Invited
松下未知雄
新潟大学コアステーション 「ユビキタスグリーンケミカル エネルギー連携教育研究センター」第11 回研究シンポジウム 2021.3.15 新潟大学ユビキタスグリーンケミカルエネルギー連携教育研究センター
Research Project for Joint Research, Competitive Funding, etc. 1
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分子スピンに基づく有機薄膜磁気抵抗素子の開発
2009.4
KAKENHI (Grants-in-Aid for Scientific Research) 8
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分子結晶における電流による結晶ドメイン制御と可逆的導電性スイッチング現象の解明
Grant number：23K04705 2023.4 - 2026.3
科学研究費助成事業 基盤研究(C)
松下 未知雄
Authorship：Principal investigator
Grant amount：\4550000 （ Direct Cost: \3500000 、 Indirect Cost：\1050000 ）
高い対称性をもつ有機導電体結晶の対称性が低下する低温相において、高温相で等価である直交した結晶軸の一方に大きな電流を印加することで電流を印加した軸の抵抗が減少し、もう一方の抵抗が上昇すること、および、大きな電流を印加する軸を入れ替えることでその現象を繰り返せることが見出されている。電流の印加によって電流が流れやすい方向に結晶軸が変化するためと考えられる。本研究では、その抵抗変化のメカニズムを電流印加前後のＸ線結晶構造解析と電子スピン共鳴の手法により明らかにするとともに、ニューラルネットワークと類似した動作原理に基づく分子集積回路のモデルとして、その回路特性を実証する。
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Grant number：20H02715 2020.4 - 2023.3
Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
TEKI Yoshio
Authorship：Coinvestigator(s)
In this project, π-radical materials, which excited-state dynamics were controlled using π-conjugation network (π-topology), were synthesized and their photochemical stability was evaluated. As a result, we succeeded in developing pentacene-radical linked systems with remarkable high photostability and hole transport property. Their photochemical stability was more than 100 times higher than that of TIPS-pentacene (6,13-bis(triisopropylilylethynyl) pentacene), which is known as a representative organic semiconductor material. In addition, we fabricated field-effect transistor devices using these π-radical materials and evaluated their performance to evaluate their usefulness as organic electronics materials. Although the mobility was about one order of magnitude lower than that of TIPS-pentacene thin films fabricated under similar conditions, the amplification ratio of the current was confirmed to be comparable, demonstrating that they are promising organic semiconductor materials.
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有機ラジカルのスピンに基づく単一分子スピントロニクス
2016.4 - 2018.3
科学研究費補助金 新学術領域研究「分子アーキテクトニクス」
松下未知雄
Authorship：Principal investigator
近年代表者らが世界で初めて実現した、スピン源と伝導電子の両方が有機分子の π 共役系に起因する有機磁性－導電性共存系を分子接合系へと拡張し、単分子スピントロニクスの実現を目指す。
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有機ラジカルのスピンに基づく単分子スピントロニクス素子の開発
Grant number：16H00962 2016.4 - 2018.3
新学術領域研究(研究領域提案型)
松下 未知雄
Authorship：Principal investigator
Grant amount：\5720000 （ Direct Cost: \4400000 、 Indirect Cost：\1320000 ）
分子コンピューターのモデルとして利用可能な分子系について、さらなる検討を行った。
（１）これまでの研究で、最も有名な分子性導体のひとつであるTTF-TCNQが、パイエルス転移温度以下の絶縁相において負性抵抗を示すことを見出している。この負性抵抗の温度依存性をさらに詳細に検討したところ、TTF-TCNQに見られる３つの相転移が、温度だけでなく、印加する電流密度によっても現れることを見出した。さらに、これら３つの相転移点が、温度・電流密度が異なる場合でも同じ電導度で現れることが明らかとなった。この系における、負性抵抗を含む非線形導電現象と相転移が、電流印加により誘起されたキャリヤー密度に依存する現象であることが明らかとなった。
（２）高い対称性をもつシクロファン型のドナー分子のイオンラジカル結晶において、低温で正方晶系から単斜晶系へ対称性が低下する構造相転移を示すことを利用して、格子変形の方向を印加電流によって制御することを試み、実際に直交する軸方向で一方に大電流を印加すると電流を印加した軸の抵抗が減少し、もう一方の軸の抵抗が上昇する現象を見出している。この系では格子変形の方向が異なる小さなドメインがモザイク状に分布していると考えられ、大電流の印加により一時的に転移温度を超えることで、徐々に電流印加方向に抵抗が低い構造に変化するものと考えられる。しかしながら、これまでの実験では２つの軸方向に交互に電流を印加して測定を行っていたため、電流印加中の変化の様子は必ずしも明確でなかった。本年度、交流電導度測定法を組み合わせることにより、一方の軸に直流の大電流を印加しながらもう一方の軸の電導度の変化を同時に測定したところ、大電流の印加によって実際に構造相転移が生じていることを示す抵抗変化が観察された。分子集積回路のモデルの一つとして興味深い系である。
29年度が最終年度であるため、記入しない。
29年度が最終年度であるため、記入しない。 -
有機ラジカルのスピンに基づく単一分子スピントロニクス
2014.4 - 2016.3
科学研究費補助金 新学術領域研究「分子アーキテクトニクス」
松下未知雄
Authorship：Principal investigator
近年代表者らが世界で初めて実現した、スピン源と伝導電子の両方が有機分子の π 共役系に起因する有機磁性－導電性共存系を分子接合系へと拡張し、単分子スピントロニクスの実現を目指す。
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Organic Magnetoresistive Thin Film
2009.4 - 2012.3
Grant-in-Aid for Scientific Research Grant-in-Aid for Young Scientists(A)
Authorship：Principal investigator
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有機局在スピン－伝導電子共存系におけるスピン流の解明
2008.4 - 2011.3
科学研究費補助金 特定領域研究
松下 未知雄
Authorship：Principal investigator
-
学習する分子ワイヤーネットワーク
2007.4 - 2009.3
科学研究費補助金 萌芽研究，課題番号：19655066
松下 未知雄
Authorship：Principal investigator
Teaching Experience (On-campus) 2
-
First Year Seminar A
2015
-
物性化学ＩＩ
2014
Teaching Experience (Off-campus) 1
-
有機ラジカルの材料化学
2021.11 （Kyoto University）
Level：Postgraduate