Susumu Okada:

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2021
  1. Mina Maruyama, Yanlin Gao, Ayaka Yamanaka, and Susumu Okada, "Geometric structure and piezoelectric polarization of MoS2 nanoribbons under uniaxial strain", FlatChem Vol. 29, 100289 (2021).
  2. Susumu Okada, Nguyen Thanh Cuong, Yanlin Gao, and Mina Maruyama, "Spiro-graphene: A two-dimensional metallic carbon allotrope of fused pentagons", Carbon Vol. 185, 404--409 (2021).
  3. Masahito Niibe, Mathis Cameau, Nguyen Thanh Cuong, Omeji Ilemona Sunday, Xiaoni Zhang, Yuki Tsujikawa, Susumu Okada, Kunio Yubuta, Takahiro Kondo, and Iwao Matsuda, "Electronic structure of a borophene layer in rare-earth aluminum/chromium boride and its hydrogenated derivative borophane", Physical Review Materials Vol. 5, 084007 (2021).
  4. Kurt Irvin M. Rojas, Nguyen Thanh Cuong, Hiroaki Nishino, Ryota Ishibiki, Shin-ichi Ito, Masahiro Miyauchi, Yoshitaka Fujimoto, Satoshi Tominaka, Susumu Okada, Susumu Saito, Hideo Hosono, Nelson B. Arboleda Jr., Takahiro Kondo, Ikutaro Hamada, and Yoshitada Morikawa, "Chemical stability of hydrogen boride nanosheets in water", Communications Materials Vol.  2, 81 (2021).
  5. Yanlin Gao and Susumu Okada, "Dynamics of charged Ne near the graphene edges under the positive electric field", FlatChem Vol. 28, 100265 (2021).
  6. Kaoru Hisama, Mina Maruyama, Shohei Chiashi, Shigeo Maruyama, and Susumu Okada, "Indirect-to-direct band gap crossover of single walled MoS2 nanotubes", Japanese Journal of Applied Physics Vol. 60, 065002 (2021).
  7. Ming Liu, Kaoru Hisama, Yongjia Zheng, Mina Maruyama, Anton Anisimov, Taiki Inoue, Esko I. Kauppinen, Susumu Okada, Shohei Chiashi, Rong Xiang, and Shigeo Maruyama,"Photoluminescence from single-walled MoS2 nanotubes coaxially grown on boron nitride nanotubes", ACS Nano Vol. 15, 8418--8426 (2021).
  8. Mina Maruyama and Susumu Okada, "Carrier Redistribution in van der Waals Nanostructures Consisting of Bilayer Graphene and Buckybowl: Implications for Piezoelectric Devices",ACS Applied Nano Materials Vol.  4, 3007-3012 (2021).
  9. Yanlin Gao and Susumu Okada, "Carrier distribution control in bilayer graphene under a perpendicular electric field by interlayer stacking arrangements", Applied Physics Express Vol. 14, 035001 (2021).
  10. Susumu Okada, Mina Maruyama, and Yanlin Gao, "Modulation of intertube dispersion relation of carbon nanotube bundles by symmetry and intertube wave function coupling", Japanese Journal of Applied Physics Vol. 60, 025002 (2021).
  11. Hong En Lim, Yusuke Nakanishi, Zheng Liu, Jiang Pu, Mina Maruyama, Takahiko Endo, Chisato Ando, Hiroshi Shimizu, Kazuhiro Yanagi, Susumu Okada, Taishi Takenobu, and Yasumitsu Miyata, "Wafer-Scale Growth of One-Dimensional Transition Metal Chalcogenide Nanowires", Nano Letters Vol. 21, 243-249 (2021).19406-19412 (2020).

2020
  1. Mitsuhiro Okada, Mina Maruyama, Susumu Okada, Jamie H Warner, Yusuke Kureishi, Yosuke Uchiyama, Takashi Taniguchi, Kenji Watanabe, Tetsuo Shimizu, Toshitaka Kubo, Hisanori Shinohara, and Ryo Kitaura, "Microscopic mechanism of van der Waals heteroepitaxy in the formation of MoS$_2$/hBN vertical heterostructures", ACS Omega Vol. 5, 31692-31699 (2020).
  2. Mina Maruyama, Kosuke Nagashio, and Susumu Okada, "Carrier distribution control in van der Waals heterostructures of MoS2 and WS2 by field-induced band-edge engineering",
    Physical Review Applied Vol. 14, 044028 (2020).
  3. Takeshi Koyama, Junpei Sugiura, Tomonari Koishi, Ryosuke Ohashi, Koji Asaka, Takeshi Saito, Yanlin Gao, Susumu Okada, and Hideo Kishida, "Excitation Energy Transfer by Electron Exchange via Two-Step Electron Transfer between a Single-Walled Carbon Nanotube and Encapsulated Magnesium Porphyrin", The Journal of Physical Chemistry C Vol. 124, 19406-19412 (2020).
  4. Hikari Tomori, Mina Maruyama, and Susumu Okada, "Electronic structure of graphene under uniaxial tensile strain", Japanese Journal of Applied Physics Vol. 59, 075002 (2020).
  5. Susumu Okada, Mina Maruyama, and Yanlin Gao, "Asymmetric Carrier Penetration into Hexagonal Boron Nitride in Graphene Field Effect Transistor", Applied Physics Express Vol. 13, 075005 (2020).
  6. Mina Maruyama, Kosuke Nagashio, and Susumu Okada, "Influence of interlayer stacking on gate-induced carrier accumulation in a bilayer MoS2", ACS Applied Electronic Materials Vol. 2, 1352-1357 (2020).
  7. Yanlin Gao, Mina Maruyama, and Susumu Okada, "Influence of interlayer stacking arrangements on carrier accumulation in bilayer graphene field effect transistors", Applied Physics Express Vol. 13, 065006 (2020).
  8. N. T. Cuong, I. Tateishi, M. Cameau, M. Niibe, N. Umezawa, B. Slater, K. Yubuta, T. Kondo, M. Ogata, S. Okada, and I. Matsuda, "Topological Dirac nodal loops in non-symmorphic hydrogenated monolayer boron",Physical Review B Vol. 101, 195412 (2020).
  9. Yanlin Gao and Susumu Okada, "Structural effects on carrier doping in carbon nanotube thin-film transistors", Journal of Applied Physics Vol. 127, 134301 (2020).
  10. Kazufumi Yoneyama, Mina Maruyama, Yanlin Gao, and Susumu Okada, "Mechanical properties of carbon nanotube under uniaxial tensile strain", Japanese Journal of Applied Physics Vol. 59, SIID02 (2020).
  11. Masashi Akita, Yasumaru Fujii, Mina Maruyama, Susumu Okada, and Katsunori Wakabayashi, "Momentum selective optical absorption in triptycene molecular membrane",
    Physical Review B Vol. 101, 085418 (2020).
  12. Rong Xiang, Taiki Inoue, Yongjia Zheng, Akihito Kumamoto, Yang Qian, Yuta Sato, Ming Liu, Daiming Tang, Devashish Gokhale, Jia Guo, Kaoru Hisama, Satoshi Yotsumoto, Tatsuro Ogamoto, Hayato Arai, Yu Kobayashi, Hao Zhang, Bo Hou, Anton Anisimov, Mina Maruyama, Yasumitsu Miyata, Susumu Okada, Shohei Chiashi, Yan Li, Jing Kong, Esko I. Kauppinen, Yuichi Ikuhara, Kazu Suenaga, and Shigeo Maruyama, "One-dimensional van der Waals heterostructures", Science Vol. 367, 537-542 (2020).
  13. Mina Maruyama and Susumu Okada, "Asymptotic behaviors of the energetics and electronic structures of graphene with pyridinic defects", Chemical Physics Letters Vol. 739,136966 (2020).
  14. Kaoru Hisama, Shohei Chiashi, Shigeo Maruyama, and Susumu Okada, "Energetics and electronic structures of single walled carbon nanotubes encapsulated in boron nitride nanotubes", Applied Physics Express Vol. 13, 015004 (2020).
  15. Yanlin Gao and Susumu Okada, "Edge Morphology effect on field emission properties of graphene thin films", Carbon Vol. 157, 33-39 (2020).

2019
  1. Airi Yasuma, Susumu Okada, Yanlin Gao, and Mina Maruyama, "Electronic state tuning of graphene nanorribons with pyridinic edges by hydrogenation", Japanese Journal of Applied Physics Vol. 58, 125001 (2019).
  2. Tomonari Mizoguchi, Mina Maruyama, Susumu Okada, and Yasuhiro Hatsugai, "Flat bands and higher-order topology in polymerized triptycene: Tight-binding analysis on decorated star lattices", Physical Review Materials Vol.  3, 114201 (2019).
  3. Ufuk Erkilic, Pablo Solis-Fernandez, Hyun Goo Ji, Keisuke Shinokita, Yung-Chang Lin, Mina Maruyama, Kazu Suenaga, Susumu Okada, Kazunari Matsuda, and Hiroki Ago, "Vapor Phase Selective Growth of Two-Dimensional Perovskite/WS2 Heterostructures for Optoelectronic Applications",ACS Applied Materials and Interfaces Vol. 11, 40503--40511 (2019).
  4. Reiya Kawamura, Nguyen Thanh Cuong, Takeshi Fujita, Ryota Ishibiki, Toru Hirabayashi, Akira Yamaguchi, Iwao Matsuda, Susumu Okada, Takahiro Kondo, and Masahiro Miyauchi, "Photoinduced hydrogen release from hydrogen boride sheets", Nature Communications Vol. 10, 4880  (2019).
  5. Hyun Goo Ji, Pablo Solis-Fernandez, Daisuke Yoshimura, Mina Maruyama, Takahiko Endo, Yasumitsu Miyata, Susumu Okada, and Hiroki Ago, "Chemically tuned p- and n-type WSe2 monolayers with high carrier mobility for advanced electronics", Advanced Materials Vol. 31, 1903613 (2019).
  6. Momoko Onodera, Fumio Kawamura, Nguyen Thanh Cuong, Kenji Watanabe, Rei Moriya, Satoru Masubuchi, Taishi Taniguchi, Susumu Okada, and Tomoki Machida, "Rhenium dinitride: Carrier transport in a novel transition metal dinitride layered crystal", APL Materials Vol. 7, 101103 (2019).
  7. Hisaki Sawahata, Susumu Okada, and Mina Maruyama, "Energetics and electronic structures of border between MoS2 and WS2", Japanese Journal of Applied Physics Vol. 58, 095002 (2019).
  8. Yu Kobayashi, Shoji Yoshida, Mina Maruyama, Hiroyuki Mogi, Kota Murase, Yutaka Maniwa, Osamu Takeuchi, Susumu Okada, Hidemi Shigekawa, and Yasumitsu Miyata, "Continuous heteroepitaxy of two-dimensional heterostructures based on layered chalcogenides", ACS NANO Vol. 13, 7527--7535 (2019).
  9. Yasumaru Fujii, Mina Maruyama, and Susumu Okada, "Three-dimensional covalent networks of sp2 and sp3 C atoms: Energetics and electronic properties of polymerized diphenylmethane and tetraphenylmethane", Japanese Journal of Applied Physics Vol. 58, 085001 (2019).
  10. Hisaki Sawahata, Susumu Okada, and Mina Maruyama, "Energetics and electronic structures of MoS2 nanoribbons", Japanese Journal of Applied Physics Vol. 58, 075002 (2019).
  11. Shengnan Wang, Alice Elizabeth Dearle, Mina Maruyama, Yui Ogawa, Susumu Okada, Hiroki Hibino, and Yoshitaka Taniyasu, "Catalyst selection growth of single-orientation h-BN towards high-performance atomically thin electric barrier", Advanced Materials  Vol. 31, 1900880 (2019).
  12. Mina Maruyama and Susumu Okada, "Asymmetric field effect carrier accumulation in MoS2/WS2 van der Waals heterostructure",
    Applied Physics Express Vol. 12, 075008  (2019).
  13. Manaho Matsubara and Susumu Okada, "Electronic structure of thin films of naphthalene under an external electric field", Japanese Journal of Applied Physics Vol. 58, 075001 (2019).
  14. Kazufumi Yoneyama, Ayaka Yamanaka, and Susumu Okada, "Energetics and electronic structure of graphene nanoribbons under the uniaxial torsional strain", Japanese Journal of Applied Physics Vol. 58, SDDD05  (2019).
  15. Ploybussara Gomasang, Kenji Kawahara, Kenta Yasuraoka, Mina Maruyama, Hiroki Ago, Susumu Okada, and Kazuyoshi Ueno, "A novel graphene barrier against moisture by stacking large-grain graphene as double-layer and triple-layer graphenes", Scientific Reports Vol. 9, 3777 (2019).
  16. I. Tateishi, N. T. Cuong, C. A. S. Moura, M. Cameau, R. Ishibiki, A. Fujino, S. Okada, A. Yamamoto, M. Araki, S. Ito, S. Yamamoto, M. Niibe, T. Tokushima, D. E. Weibel, T. Kondo, M. Ogata, and I. Matsuda, "Semimetallicity of free-standing hydrogenated monolayer boron from MgB2", Physical Review Materials Vol. 3, 024004 (2019).
  17. Shohei Chiashi, Takashi Kato, Kaname Kono, Ryota Mitobe, Kazuki Yoshino, Satoru Konabe, Susumu Okada, Takahiro Yamamoto, Yoshikazu Homma, "Confinement Effect of Sub-nanometer Difference on Melting Point of Ice-Nanotubes Measured by Photoluminescence Spectroscopy", ACS NANO Vol. 13, pp. 1177--1182 (2019).
  18. Kaito Kanahashi, Naoki Tanaka, Yoshiaki Shoji, Mina Maruyama, Il Jeon, Kenji Kawahara, Masatou Ishihara, Masataka Hasegawa, Hiromichi Ohta, Hiroki Ago, Yutaka Matsuo, Susumu Okada, Takanori Fukushima, and Taishi Takenobu, "Formation of environmentally stable hole-doped graphene films: Instantaneous and high-density carrier doping by a boron-based oxidant", npj 2D Materials and Applications Vol. 3, 7 (2019).
  19. Yanlin Gao and Susumu Okada, "Filed emission current from the functionalized graphene edges", Carbon Vol. 142, pp. 190-195 (2019).
  20. Junji Nozaki, Hiroyuki Nishidome, Mina Maruyama, Susumu Okada, Satoshi Kusaba, Koichiro Tanaka, Keiji Ueno, Yohei Yomogida, and Kazuhiro Yanagi, "Site-dependence of Relationships between photo-luminescence and applied electric field in monolayer and bilayer molybdenum disulfide",Japanese Journal of Applied Physics Vol. 58, 015001 (2019).
  21. Masaki Mieda and Susumu Okada, "Energetics and electronic structures of polymeric all-benzene hollow-cage and planar networks", Japanese Journal of Applied Physics Vol. 58, 015002 (2019).
  22. Xiaofan Wang, Keisuke Shinokita, Hong En Lim, Nur Baizura Mohamed, Yuhei Miyauchi, Nguyen Thanh Cuong, Susumu Okada, and Kazunari Matsuda, "Direct and Indirect Exciton Dynamics in Few-layered ReS2 Revealed by Photoluminescence and Pump-probe Spectroscopy", Advanced Functional Materials Vol. 29, 1806169 (2019).

2018
  1. Hyun Goo Ji, Mina Maruyama, Adha Sukma Aji, Susumu Okada, Kazunari Matsuda, and Hiroki Ago, "Van der Waals interaction-induced photoluminescence weakening and multilayer growth in epitaxially aligned WS2", Physical Chemistry Chemical Physics Vol. 20, pp 29790 - 29797 (2019).
  2. Mina Maruyama and Susumu Okada, "Energetics and electronic structure of triangular hexagonal boron nitride nanoflake", Scientific Reports Vol. 8, 16657 (2018).
  3. Yasumaru Fujii, Mina Maruyama, and Susumu Okada, "Geometric and electronic structures of two-dimensionally polymerized triptycene: Covalent honeycomb networks comprising triptycene and polyphenyl", Japanese Journal of Applied Physics Vol. 57, 125203 (2018).
  4. Kenshiro Suenaga, Hyu Goo Ji, Yung-Chang Lin, Tom Vincent, Mina Maruyama, Adha Sukma Aji, Yoshihiro Shiratsuchi, Dong Ding, Kenji Kawahara, Susumu Okada, Vishal Panchal, Olga Kazakova, Hiroki Hibino, Kazu Suenaga, and Hiroki Ago, "Surface-Mediated Aligned Growth of Monolayer MoS2 and In-Plane Heterostructures with Graphene on Sapphire", ACS NANO Vol. 12, pp 10032 - 10044 (2018).
  5. Shushu Zheng, Nguyen Thanh Cuong, Susumu Okada, Ting Xu, Wangqiang Shen, Xing Lu, and Kazuhito Tsukagoshi, "Solvent-Mediated Shape Engineering of Fullerene (C60) Polyhedral Microcrystals", Chemistry of Materials, Vol. 30, 7146 - 7153 (2018).
  6. Takao Yamaoka, Hong En Lim, Sandhaya Koirala, Keisuke Shinokita, Mina Maruyama, Susumu Okada, Yuhei Miyauchi, and Kazunari Matsuda, "Efficient Photocarrier Transfer and Effective Photoluminescence Enhancement in Type I Monolayer MoTe2/WSe2 Heterostructure", Advanced Functional Materials Vol. 35, 1801021 (2018)
  7. Arao Nakamura, Kenichi Yamanaka, Kenshi Miyaura, Hong En Lim, Kazunari Matsuda, Boanerges Thendie, Yasumitsu Miyata, Takeo Kochi, Susumu Okada, and Hisanori Shinohara, "Ultrafast Charge Transfer and Relaxation dynamics in Polymer-Encapsulated Single-Walled Carbon Nanotubes: Polythiophene and Coronene-Polymer",The Journal of Physical Chemistry C Vol. 122, 16940--16949 (2018).
  8. Sho Furutani and Susumu Okada, "Electronic structure and cohesive energy of silyl-methyl-fullerene and methano-indene-fullerene solids", Japanese Journal of Applied Physics. Vol. 57, 085102 (2018).
  9. Kazufumi Yoneyama, Ayaka Yamanaka, and Susumu Okada, "Energetics and electronic structure of corrugated graphene nanoribbons", Japanese Journal of Applied Physics Vol. 57, 085101 (2018).
  10. Yuya Nagasawa, Takeshi Koyama, and Susumu Okada, "Energetics and electronic structures of perylene confined in carbon nanotubes" Royal Society Open Science Vol. 5, 180359 (2018).
  11. Yoko Iizumi, Zhen Liu, Kazu Suenaga, Susumu Okada, Hidehiro Sakurai, and  Toshiya Okazaki, Molecular Arrangements of Corannulenes and Sumanenes in Single-Walled Carbon Nanotubes", ChemNanoMat Vol. 4, 557-561 (2018).
  12. Hisaki Sawahata, Ayaka Yamanaka, Mina Maruyama, and Susumu Okada, "Energetics and formation mechanism of borders between h-BN and graphene", Applied Physics Express Vol. 11, 065201 (2018).
  13. Dezhi Tan, Xiaofan Wang, Wenjin Zhang, Hong En Lim, Yuhei Miyauchi,  Mina Maruyama, Susumu Okada, and Kazunari Matsuda, "Carrier transport and photoresponse in GeSe/MoS2  heterojunction p/n diodes", Small Vol. 14, 1704559 (2018).
  14. Sho Furutani and Susumu Okada, "Energetics and electronic structures of chemically decorated C60 chains", Japanese Journal of Applied Physics Vol. 57, 06HB02 (2018).
  15. Airi Yasuma, Ayaka Yamanaka, and Susumu Okada, "Energetics of edge oxidization of graphene nanoribbons", Japanese Journal of Applied Physics Vol. 57, 06HB03 (2018).
  16. Manaho Matsubara and Susumu Okada, "Field-induced structural control of COx molecules adsorbed on graphene" Journal of Applied Physics, Vol. 123, 174302 (2018).
  17. Yanlin Gao and Susumu Okada, "Electrostatic Properties of Graphene Edges for Electron Emission under an External Electric Field", Applied Physics  Letters Vol. 112, 163105 (2018).
  18. Ploybussara Gomasang, Takumi Abe, Kenji Kawahara, Yoko Wasai,
    Nataliya Nabatova-Gabain, Nguyen Thanh Cuong, Hiroki Ago, Susumu Okada, and Kazuyoshi Ueno, "Moisture Barrier Properties of Single-Layer Graphene Deposited on Cu Films for Cu Metallization", Japanese Journal of Applied Physics Vol. 57, 04FC08 (2018).
  19. Takeshi Koyama, Kazuma Fujiki, Yuya Nagasawa, Susumu Okada, Koji Asaka, Yahachi Saito, and Hideo Kishida, "Different Molecular Arrangement of Perylene in Metallic and Semiconducting Carbon Nanotubes: Impact of Van Der Waals Interaction",  Journal of Physical Chemistry C Vol.  122, 5805-5812 (2018).
  20. Yasumaru Fujii, Mina Maruyama, Katsunori Wakabayashi, Kyoko Nakada, and Susumu Okada, "Electronic structure of two-dimensional hydrocarbon networks of sp2 and sp3 C atoms", Journal of the Physical Society of Japan Vol. 87, 034704 (2018).
  21. Mina Maruyama and Susumu Okada, Geometric and electronic structures of a two-dimensional covalent network of sp2 and sp3 carbon atoms", Diamond and Related Materials Vol. 81,  103-107 (2018).
  22. Hisaki Sawahata, Mina Maruyama, Nguyen Thanh Cuong, Haruka Omachi, Hisanori Shinohara, and  Susumu Okada, Energetics and electronic properties of B3N3-doped graphene", ChemPhysChem Vol. 19, 237-242 (2018).
  23. Kazufumi Yoneyama, Ayaka Yamanaka, and Susumu Okada, "Mechanical properties of graphene nanoribbons under uniaxial tensile strain", Japanese Journal of Applied Physics Vol.  57, 035101 (2018).
  24. Hyun Goo Ji, Yung-Chang Lin, Kosuke Nagashio, Pablo Solis-Fernandez,  Adha Sukma Aji, Mina Maruyama, Susumu Okada,  Vishal Panchal, Olga Kazakova, Kazu Suenaga, and Hiroki Ago, "Hydrogen-Induced Epitaxial Growth and Effective Stitching of Monolayer Tungsten Disulfide", Chemistry of Materials Vol.  30, 403-411 (2018).

2017
  1. Manaho Matsubara and Susumu Okada, "Geometric structures of Al nanoparticle adsorbed on graphene under the external electric field", Japanese Journal of Applied Physics Vol. 56, 125101 (2017).
  2. Mina Maruyama and Susumu Okada, "Interplay between Kagome Flat band and Dirac cone in porous graphitic networks" Carbon Vol. 125, 530-535 (2017).
  3. Hiroaki Nishino, Takeshi Fujita, Nguyen Thanh Cuong, Satoshi Tominaka, Masahiro Miyauchi, Soshi Iimura, Akihiko Hirata, Naoto Umezawa, Susumu Okada, Eiji Nishibori, Asahi Fujino, Tomohiro Fujimori, Shin-ichi Ito∥, Junji Nakamura, Hideo Hosono, and Takahiro Kondo, "Formation and Characterization of Hydrogen Boride Sheets Derived from MgB2 by Cation Exchange", Journal of the American Chemical Society Vol. 139, 13761-13769 (2017).
  4. Yuya Nagasawa and Susumu Okada, "Energetics and electronic structures of inclusion compounds of large fullerenes and cycloparaphenylenes", Journal of the Physical Society of Japan Vol. 86, 104702 (2017).
  5. Terunobu Nakanishi, Ryo Kitaura, Kawai Takazumi, Susumu Okada, Shoji Yoshida, Osamu Takeuchi , Hidemi Shigekawa , Hisanori Shinohara, "Modulation of the Local Density of States of Eu-Nanowires Encapsulated in Carbon Nanotubes as Observed by Scanning Tunneling Microscopy and Spectroscopy" The Journal of Physical Chemistry C Vol. 121, 18195-18201 (2017).
  6. Miki Akiba and Susumu Okada, "Mechanical properties of nano-rotors: Energetics of triptycene derivatives",
    Japanese Journal of Applied Physics Vol. 56, 105201 (2017).
  7. Yamato A. Saucier, Susumu Okada, and Mina Maruyama, "Strain-induced charge transfer and polarity control of a van der Waals heterosheet comprising C60 and graphene",  Applied Physics Express Vol. 10, 095101 (2017).
  8. Satoshi Yasuda, Ryosuke Takahashi, Ryo Osaka, Ryota Kumagai, Yasumitsu Miyata, Susumu Okada, Yuhei Hayamizu, and Kei Murakoshi, "Out-of-Plane Strain Induced in a Moire Superstructure of Monolayer MoS2and MoSe2 on Au(111)", Small 1700748 (2017).
  9. Remi Taira, Ayaka Yamanaka, and Susumu Okada, "Electronic structure and polarity of edge functionalized graphene nanoribbons", Japanese Journal of Applied Physics Vol. 56, 085103 (2017).
  10. Jun-ya Sorimachi and Susumu Okada, "Electron filling control of Kagome flat band in 2D hydrocarbon networks of sp2 and sp3 C atoms"
    Physical Review B Vol. 96, 024103 (2017).
  11. Manaho Matsubara and Susumu Okada, "Carrier injection in nonbonding states of N-doped graphene by an external electric field", Japanese Journal of Applied Physics Vol. 56, 075101 (2017).
  12. Taketo Kochi and Susumu Okada, "Asymmetric carrier accumulation in double-walled carbon nanotube by an external electric field", Applied Physics Express Vol. 10, 075101 (2017).
  13. Yanlin Gao and Susumu Okada, "Energetics and electronic structures of thin films and heterostructures of a hexagonal GaN sheet", Japanese Journal of Applied Physics Vol. 56, 065201 (2017).
  14. Jun-ya Sorimachi and Susumu Okada, "Porous hydrocarbon networks of pyramidal molecules", Japanese Journal of Applied Physics Vol. 56, 06GE03 (2017).
  15. Taketo Kochi and Susumu Okada, "Electronic Structure of CNT Thin Films with Nanoscale Interfaces under an Electric Field", Japanese Journal of Applied Physics Vol. 56, 06GE02 (2017).
  16. Ken Kishimoto and Susumu Okada, "Electronic structure of bilayer graphene with defects under an external electric field", Japanese Journal of Applied Physics Vol. 56, 06GE01 (2017).
  17. Yanlin Gao and Susumu Okada, "Electrostatic potential barrier for electron emission at graphene edges induced by the nearly free electron states", Applied Physics Express Vol. 10, 055104 (2017).
  18. Sho Furutani and Susumu Okada, "Electronic properties of electron-doped [6,6]-phenyl-C61-butyric acid methyl ester and silylmethylfullerene", Chemical Physics Letters Vol. 678, 5-8 (2017).
  19. Ngyen Thanh Cuong and Susumu Okada, "Suppression of conductivity deterioration of Cu thin films by coating atomic layer materials", Applied Physics Letters, Vol. 110, 131601 (2017).
  20. Ayaka Yamanaka and Susumu Okada, "Polarity control of h-BN nanoribbon edges by strain and edge termination", Physical Chemistry Chemical Physics Vol. 19, 9113-9117  (2017).
  21. Manaho Matsubara and Susumu Okada, "Effect of a charged impurity on carrier accumulation into graphene by an external electric field",
    Applied Physic Express Vol. 10, 025101 (2017).
  22. Ken Kishimoto and Susumu Okada, "Fermi level pinning for the carrier accumulation in bilayer graphene with atomic defects by an external electric field",  Applied Physics Letters Vol. 110, 011601 (2017).

2016
  1. Hideyuki Jippo, Taisuke Ozaki, Susumu Okada, and Mari Ohfuchi, "Electronic Transport Properties of Graphene Channel with Foreign Materials in 10 nm-scale devices", Journal of Applied Physics Vol. 120, 154301 (2016).
  2. Kieu My Bui, Van An Dinh, Susumu Okada, and Takahisa Ohno, "Na-ion diffusion in NASICON-type solid electrolyte: a density functional study", Physical Chemistry Chemical Physics Vol. 18, 27226-27231 (2016).
  3. Mina Maruyama, Nguyen Thanh Cuong, and Susumu Okada, "Coexsistence of Dirac cones and Kagome flat bands in two-dimensional network of hydrocarbon molecules", Carbon Vol. 109,  755-763 (2016).
  4. Sho Furutani and Susumu Okada, "Electronic properties of pentaorgano [60]fullerenes under an external electric field", Applied Physics Express Vol. 9 , 115103 (2016).
  5. Remi Taira, Ayaka Yamanaka, and Susumu Okada, "Electronic structure modulation of graphene edges by chemical functionalization",
    Applied Physics Express Vol. 9 , 115102 (2016).
  6. Yanlin Gao, Tomoe Yayama, and Susumu Okada, "Polar properties of a hexagonally bonded GaN sheet under biaxial compression" Applied Physics Express Vol. 9, 095201 (2016).
  7. Ayaka Yamanaka and Susumu Okada, "Energetics and electronic structure of h-BN nanoribbons", Scientific Reports Vol. 6, 30653  (2016).
  8. Jiang Pu, Kaito Kanahashi, Nguyen Thanh Cuong, Chang-Hsiao Chen, Lain-Jong Li, Susumu Okada, Hiromichi Ohta, and Taishi Takenobu, "Enhanced thermoelectric power in two-dimensional transition metal dichalcogenide monolayers", Physical Review B Vol. 94, 014312 (2016).
  9. Taketo Kochi and Susumu Okada, "Effect of an intersection of carbon nanotubes on the carrier accumulation under an external electric field", Applied Physics Express Vol. 9, 085103 (2016).
  10. Yuichiro Takesaki, Kenji Kawahara, Hiroki Hibino, Susumu Okada, Masaharu Tsuji, and Hiroki Ago, "Highly Uniform Bilayer Graphene on Epitaxial Cu-Ni(111) Alloy", Chemistry of Materials Vol. 28, 4583-4592 (2016).
  11. Hidekazu Takahashi, Masaaki Araidai, Susumu Okada, and Kenji Shiraishi, "Theoretical Investigation on Electronic and Magnetic Structures of FeRh" Journal of the Magnetics Society of Japan Vol. 40, 77-80 (2016).
  12. Jun-ya Sorimachi and Susumu Okada, "Electrostatic properties of fullerenes under an external electric field: First-principles calculations of energetics for all IPR isomers from C60 to C 78",Chemical Physics Letters  Vol. 659, 1-5 (2016).
  13. Mitsunari Sugahara, Yohei Yomogida, Hideki Kawai, Yutaka Maniwa, Susumu Okada, and Kazuhiro Yanagi, "Ambipolar Transistor of WS2 Nanotube Random Networks", Applied Physics Express   Vol. 9, 075001 (2016).
  14. Ken Kishimoto and Susumu Okada, "Electron-state tuning of bilayer graphene by defects", Japanese Journal of Applied Physics Vol. 55, 06GF06 (2016).
  15. Kohei Narita and Susumu Okada, "Geometric and electronic structures of one-dimenisonally polymerized coronene molecules", Japanese Journal of Applied Physics Vol. 55, 06GF02 (2016).
  16. Taketo Kochi and Susumu Okada, "Energetics and electronic structure of tubular Si nanoscale vacancies filled by carbon nanotubes", Japanese Journal of Applied Physics Vol. 55, 055101 (2016).
  17. Akiko Hasegawa and Susumu Okada, "Effect of structural deformation on carrier accumulation in semiconducting carbon nanotubes under an external electric field", Japanese Journal of Applied Physics Vol. 55, 045101 (2016)
  18. Kohei Narita and Susumu Okada, "Geometric and electronic structures of corannulene polymers: Ultra narrow graphene ribbons with corrugation and topological defects", Chemical Physics Letters Vol. 650, pp 76 - 81 (2016).
  19. U Ishiyama, Nguyen Thanh Cuong, and Susumu Okada: "Anomalous electrostatic potential properties in CNT thin films under a weak external electric field", Applied Physics Express Vol. 9, 045101 (2016).
  20. Jun-ya Sorimachi and Susumu Okada, "Influence of fullerene cages on energetics of dipole moment of encapsulated water molecule",
    Japanese Journal of Applied Physics Vol. 55, 04EP02 (2016).
  21. Pablo Solis-Fernandez, Susumu Okada, Tohru Sato,  Masaharu Tsuji, and Hiroki Ago,  "Gate-Tunable Dirac Point of Molecular Doped Graphene", ACS Nano Vol. 10, pp. 2930 - 2939 (2016).
  22. Ayaka Yamanaka and Susumu Okada: "Influence of electric field on electronic states of graphene nanoribbons under a FET structure",
    Japanese Journal of Applied Physics Vol. 55, 035101 (2016).
  23. Mina Maruyama and Susumu Okada: "Magnetic Properties of Graphene Quantum Dots Embedded in h-BN Sheet", The Journal of Physical Chemistry C Vol. 120, 1293-1302 (2016)
  24. Ayaka Yamanaka and Susumu Okada:
    "Energetics and electronic structures of graphene nanoribbons under a lateral electric field" Carbon Vol. 96, pp.  351-361 (2016).
  25. Ken Kishimoto and Susumu Okada: "Influence of the Defects on the Electronic Structures of Bilayer Graphene" Surface Science Vol. 644, pp. 18 - 23 (2016).
2015
  1. Miki Nakamura, Shoji Yoshida, Tomoki Katayama, Atsushi Taninaka, Yutaka Mera,
    Susumu Okada, Osamu Takeuchi, and Hidemi Shigekawa: "Three-dimensional dynamic probe imaging mechanically activated switching
    of Si-based single-molecule junction"
    Nature Communications Vol. 6, 8465 (2015).
  2. Mina Maruyama, Nguyen Thanh Cuong, and Susumu Okada: "Geometric and electronic structures of two-dimensional networks of fused C36 fullerenes" Journal of the Physical Society of Japan Vol. 84, 084706 (2015).
  3. D. Matsumoto, K. Yanagi, T. Takenobu, S. Okada, and K. Marumoto: "Electrically induced ambipolar spin vanishments in carbon nanotubes" Scientific Reports, Vol. 5, 11859 (2015).
  4. Kohei Narita and Susumu Okada: ``Radical Spin Interaction in One-dimensional Chain of Decamethyl C60" Chemical Physics Letters. Vol. 634, 129–133 (2015).
  5. Toru Igarashi, Hideki Kawai, Kazuhiro Yanagi, Nguyen Thanh Cuong, Susumu Okada, and Thomas Pichler: "Manipulation of Localized Transverse Surface Plasmon Resonance in  Electricity-selected Single-wall Carbon Nanotubes by Electric Double Layer Carrier Injections" Physical Review Letters Vol. 114, 176807 (2015).
  6. Hong En Lim, Yasumitsu Miyata, Miho Fujihara, Susumu Okada, Zheng Liu, Arifin Arifin, Kayoko Sato, Haruka Ohmachi, Ryo Kitaura, Stephan Irle, Kazu Suenaga, Hisanori Shinohara:  "Fabrication and Optical Probing of Highly-Extended, Ultrathin Graphene Nanoribbons in Carbon Nanotubes" ACS nano Vol. 9 pp. 5034 - 5040 (2015).
  7. U Ishiyama, Nguyen Thanh Cuong, and Susumu Okada: "Influence of Defects for Carrier Injection In Carbon Nanotubes" Japanese Journal of Applied Physics Vol. 54, 065101 (2015).
  8. Shota Kigure, Haruka Omachi, Hisanori Shinohara, and Susumu Okada: "Nano-Saturn: Energetics of the Inclusion Process of C60 into Cyclohexabiphenylene",Journal of Physical Chemistry C Vol. 119, 8931-- 8936 (2015). 
  9. Shota Kigure and Susumu Okada: ``Nano-Saturn: Theoretical Design of New C60 Inclusion Compounds" Japanese Journal of Applied Physics Vol. 54, 06FF01 (2015).
  10. Kohei Narita and Susumu Okada: "Electronic structures of Decamethyl C60 under an Electric Field" Japanese Journal of Applied Physics Vol. 06FF09 (2015).
  11. Mina Maruyama and Susumu Okada: ``Geometric and Electronic Structures of Polymerized C32 Fullerenes: Electronic Structure Tuning by Fullerene and Carbon Nanotube Filling" Japanese Journal of Applied Physics Vol. 54, 06FF02 (2015).
  12. U Ishiyama, Nguyen Thanh Cuong, and Susumu Okada: ``Threshold voltage variation for charge accumulation in carbon nanotube owing to monatomic defect arrangement" Japanese Journal of Applied Physics Vol. 54, 06FF04 (2015).
  13. Hideyuki Jippo, Mari Ohfuchi, and Susumu Okada: "Electronic transport properties of 10 nm graphene channel between Au electrodes" e-Journal of Surface Science and Nanotechnology Vol. 13, pp. 54-58 (2015).
  14. Masahiro Shigeta, Katsumasa Kamiya, Mitsugu Uejima, Susumu Okada: ``Dispersion of CNT in Organic Solvent by Commercial Polymers with Ethylene Chains: Experimental and Theoretical Studies" Japanese Journal of Applied Physics  Vol. 54, 035101 (2015).
2014
  1. Masahiro Shigeta, Tomoko Endo, Yui Kondo, Mitsugu Uejima, Susumu Okada, Kenji Kaneko, and Naotoshi Nakashima: ``Latex Polymer/Super Growth-Single-Walled Carbon Nanotube Composite with High Electroconductivity Fabricated by Wet Processing" Bullten of the Chemical Society of Japan Vol. 87, pp. 1343--1348 (2014).
  2. Lok Kumar Shrestha, Rekha Goswami Shrestha, Yusuke Yamauchi, Jonathan P. Hill, Toshiyuki Nishimura, Kun'ichi Miyazawa, Katsunori Wakabayashi, Takazumi Kawai, Susumu Okada, and Katsuhiko Ariga: ``Nanoporous Carbon Tubes from Fullerene Crystals as the pi-Electron Carbon Source"Angewandte Chemie International Edition, Vol. 53, pp. 951 -- 955 (2014).
  3. Ayaka Yamanaka and Susumu Okada:``Carrier Injection into Nearly Free Electron States of Graphene Nanoribbons by an Electric Field", Applied Physics Express Vol. 7, 125103 (2014).
  4. Shota Kigure, Yoko Iizumi, Toshiya Okazaki, and Susumu Okada: ``Electronic and Geometric Structures of Carbon Nanotubes Encapsulating Polycyclic Aromatic Hydrocarbon Molecules", Journal of the Physical Society of Japan Vol. 83, 124709 (2014).
  5. U Ishiyama, Nguyen Thanh Cuong, and Susumu Okada: ``Electronic structures of carbon nanotubes with monovacancy under an electric field", Japanese Journal of Applied Physics Vol. 53, 115102 (2014).
  6. Satoru Konabe and Susumu Okada:  ``Coulomb Interaction Effects on Optical Properties of Monolayer Transition Metal Dichalcogenides", Physical Review B Vol. 90, 155304 (2014).
  7. Kohei Narita and Susumu Okada: "Spin-state tuning of decamethyl C60 by an electric field", Chemical Physics Letters  Vol. 614, pp. 10-14 (2014).
  8. Kazuya Nomura and Susumu Okada: ``An anomalous dipole-dipole arrangement of water molecules encapsulated into C60 dimer"
    Chemical Physics Letters  Vol. 608, pp. 351-354 (2014).
  9. Mina Maruyama and Susumu Okada: "Two-dimensional sp2 Carbon Networks of Fused Pentagons" Japanese Journal of Applied Physics Vol. 53, 06JD02 (2014).
  10. Ayaka Yamanaka and Susumu Okada: "Structural Dependence of Electronic Properties of Graphene Nanoribbons on an Electric Field" Japanese Journal of Applied Physics Vol. 53,  06JD05 (2014).
  11. Shota Kigure and Susumu Okada: "Energetics and Electronic Structures of C60 Included in [n]Cyclacene Molecules: Dynamical and Electronic Properties of C60"Japanese Journal of Applied Physics Vol. 53, 06JD06 (2014).
  12. Junhao Lin, Ovidiu Cretu, Wu Zhou, Kazu Suenaga, Dhiraj Prasai, Kirill I. Bolotin, Nguyen Thanh Cuong, Minoru Otani, Susumu Okada, Andrew R. Lupini, Juan-Carlos Idrobo, Dave Caudel, Arnold Burger, Nirmal J. Ghimire, Jiaqiang Yan, David G. Mandrus, Stephen J. Pennycook, Sokrates T. Pantelides: "Flexible metallic nanowires with self-adaptive Ohmic contact to semiconducting transition-metal dichalcogenide monolayers" Nature Nanotechnology (2014). doi:10.1038/nnano.2014.81
  13. Nguyen Thanh Cuong, Minoru Otani, and Susumu Okada: ``Electrostatic modulation of electron-states in MoS2: First-principles Calculations" Journal of Physics: Condensed Matter Vol. 26, 135001 (2014).
  14. Mina Maruyama, Kyoko Nakada, and Susumu Okada: ``Energetics and electronic structures of polymerized cyclobutadiene" Japanese Journal of Applied Physics, Vol. 53, 035103 (2014).
2013
  1. Ayaka Yamanaka and Susumu Okada:
    ``Electrostatic Potential of Hydrogenated Finite-length Carbon Nanotubes under an Electric Field" Physica Status Solidi (c), Vol. 10, pp. 1624 - 1627 (2013).
  2. Mina Maruyama and Susumu Okada: ``Design of New Carbon Allotropes of Fused Small Fullerenes" Physica Status Solidi (c), Vol. 10, pp. 1620 - 1623 (2013).
  3. Mark A. Bissett, Satoru Konabe, Susumu Okada, Masaharu Tsuji and Hiroki Ago:
    ``Tuning the Chemical Reactivity of Graphene by Mechanical Strain", ACS Nano, Vol. 7, pp. 10335 - 10343 (2013).
  4. Mina Maruyama and Susumu Okada: "A Two-dimensional sp2 Carbon Network of Fused Pentagons: All Carbon Ferromagnetic Sheet" Applied Physics Express Vol. 6, 095101 (2013).
  5. Shota Kigure and Susumu Okada: "Energetics and Electronic Structures of C60 Included in [n]Cyclacene Molecules" Journal of the Physical Society of Japan, Vol. 82, 094717 (2013).
  6. Ayaka Yamanaka and Susumu Okada: "Electronic Properties of Capped Carbon Nanotubes under an Electric Field: Inhomogeneous Electric-Field Screening Induced by Bond Alternation" Japanese Journal of Applied Physics, Vol. 52, 06GD04 (2013).
  7. Katsumasa Kamiya and Susumu Okada: "Energetics and Electronic Structures of Alkanes and Polyethylene Adsorbed on Graphene" Japanese Journal of Applied Physics, Vol. 52, 06GD10 (2013).
  8. Junki Sone and Susumu Okada: ``Massless Electrons on Hexagonal Dangling Bond Network on Hydrogen Deposited Diamond (111) and Si(111) Surfaces" Journal of the Physical Society of Japan, Vol. 82, 064706 (2013).
  9. Haruna Nitta, Yutaka Matsuo, Eiichi Nakamura, and Susumu Okada: "Magnetic Properties of Deca-Methyl Fullerenes: Radical Spin Interaction on Chemically Functionalized Fullerenes" Applied Physics Express,  Vol. 6, 045102  (2013).
  10. Satoru Konabe, Nguyen Thanh Cuong, Minoru Otani, and Susumu Okada: "High-Efficient Photoelectric Conversion in Graphene-Diamond Hybrid Structures: First-principles and Model Calculations" Applied Physics Express  Vol. 6, 045104 (2013).
  11. Satoru Konabe and Susumu Okada: "Increase of Photocurrent in Single-Walled Carbon Nanotube by Exciton Interactions" Applied Physics Letters Vol. 102, 113110 (2013)
  12. Ayaka Yamanaka and Susumu Okada: "Anomalous Electric-Field Screening at Edge Atomic Sites of Finite-length Zigzag Carbon Nanotubes" Applied Physics Express Vol. 6,045101(2013).
  13. Katsumasa Kamiya and Susumu Okada: "Energetics and Electronic Structures of Alkanes and Polyethylene Adsorbed on Graphene" Japanese Journal of Applied Physics, Vol. 52, 04CN07 (2013).
  14. Mina Maruyama and Susumu Okada: "Two-dimensional Metallic Molecular Sheet of Fused C26 Fullerene", Journal of the Physical Society of Japan,  Vol. 82, 043708 (2013).
  15. Rieko Moriya, Kazuhiro Yanagi, Nguyen Thanh Cuong, Minoru Otani, and Susumu Okada: "Charge Manipulation in Molecules Encapsulated Inside Single-Wall Carbon Nanotubes", Physical Review Letters Vol. 110, 086801 (2013).
  16. Masafumi Kubota, Shigenori Hayashi, Mototsugu Ogura, Yuichiro Sasaki, Susumu Okada, and Kikuo Yamabe: “Effects of Plasma Irradiation in Arsenic Plasma Doping Using Overhang Test Structures” Japanese Journal of Applied Physics Vol. 52, 021301 (2013).
  17. Nguyen Thanh Cuong, Minoru Otani, and Susumu Okada: “Absence of Edge State near the 120 deg Corner of Zigzag Graphene Nanoaribbons” Physical Review B Vol. 87, 045424 (2013).
2012
  1. Nguyen Thanh Cuong, Minoru Otani,  Susumu Okada: "Magnetic properties of thin films of rhombohedral graphite" Surface Science, Vol. 606, pp. 253-257 (2012).
  2. Katsumasa Kamiya, Susumu Okada: "Energetics and Electronic Structure of Diamond Nanoparitcles" Japanese Journal of Applied Physics, Vol. 51, art. no.  015001 (2012).
  3. Susumu Okada, Takazumi Kawai: "Electronic structure of corrugated graphene sheet" Japanese Journal of Applied Physics, Vol. 51, art. no.  02BN05 (2012).
  4. Nguyen Thanh Cuong, Minoru Otani, Susumu Okada: "Tunable Magnetic Properties of Rhombohedral Graphite Thin Films: Effects of insulating substrate on magnetic properties" Japanese Journal of Applied Physics, Vol. 51, art. no.  02BN04  (2012).
  5. Satoru Konabe, Susumu Okada: "Many-Body Effects Induced by Auger Ionization in Single-Walled Carbon Nanotubes"New Journal of Physics,  Vol. 14, art. no. 023053 (2012).
  6. Yoshiteru Takagi, Susumu Okada: "Design of pi network of graphene by atomic Pt adsorbates" Journal of Physics and Chemistry of Solids, Vol. 73, pp. 777 - 780 (2012).
  7. Satoru Konabe, Susumu Okada: "Multiple Exciton Generation by A Single Photon in Single-Walled Carbon Nanotubes" Physical Review Letters,  Vol. 108, art. no. 227401 (2012).
  8. Takuma Shiga, Satoru Konabe, Junichiro Shiomi, Takahiro Yamamoto, Shigeo Maruyama, Susumu Okada: "Graphene-Diamond Hybrid Structure as Spin-Polarized Conducting Wire with Thermally-Efficient Heat Sinks"Applied Physics Letters, Vol. 100, art. no. 233101 (2012).
  9. Yoshiteru Takagi, Susumu Okada: "Electronic Structure Modulation of Graphene by Metal Electrodes" Japanese Journal of Applied Physics, Vol. 51, 085102 (2012).
  10. Ayaka Yamanaka, Susumu Okada: "Electronic Properties of Capped Carbon Nanotubes under Electric Field" Applied Physics Express,  Vol, 5, art. no. 095101 (2012).
  11. Donghui Guo, Takahiro Kondo, Takahiro Machida, Keigo Iwatake, Susumu Okada, Junji Nakamura: "Landau levels under zero magnetic field on potassium intercalated graphite" Nature Communications, Vol. 3, art. no. 1068 (2012).
  12. Yoshiteru Takagi, Susumu Okada: "Modulation of Electron-states of Graphite Thin Films by the Nearly Free Electron States of Metal Surfaces" Japanese Journal of Applied Physics, Vol. 51, art. no. 100203 (2012).
  13. Satoru Konabe, Susumu Okada: "Robustness and Fragility of Linear Dispersion Band of Bilayer Graphene under an Electric Field" Journal of the Physical Society of Japan Vol. 81, art. no. 113702 (2012).
  14. Satoru Konabe, Kazunari Matsuda, Susumu Okada: "Suppression of Exciton-Electron Scattering in Doped Single-Walled Carbon Nanotubes"Physical Review Letters, Vol. 109, 187403 (2012).
  15. Mina Maruyama and Susumu Okada: "Elemental semiconductors of fused small fullerenes: Electronic and geometric structures of C28 polymers" Journal of the Physical Society of Japan Vol. 81, 114719 (2012).
  16. Soon-Kil Joung,  Toshiya Okazaki, Susumu Okada,  and Sumio Iijima: ``Modest Response of Metallic Single-Walled Carbon Nano-tubes to C60 Encapsulation Studied by Resonance Raman Spectroscopy", Journal of Physical Chemistry C Vol. 116, pp. 23844-23850 (2012).
  17. Nguyen Thanh Cuong, Minoru Otani, and Susumu Okada: ``Electron-state engineering of bilayer graphene by ionic molecules", Applied Physics Letters Vol. 101, art. no. 233106 (2012).

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