<ORIGINAL ARTICLE>
[67] Koki Takano,Kohei Yamasue*, Toshiaki Kato, Yasuo Cho
“Nanoscale carrier distribution and trap dynamics in supported and suspended WSe2 layers studied by scanning nonlinear dielectric microscopy”
Applied Physics Letters 128, (2026), 052101-1-6
[66] Takara Okonai, Pablo Solís-Fernández, Satoru Fukamachi, Haiming Sun, Yeri Lee, Yung-Chang Lin, Toshiaki Kato, Sunmin Ryu, Kazu Suenaga and Hiroki Ago
“Anomalous Raman signals in multilayer hexagonal boron nitride grown by chemical vapour deposition on metal foil catalysts”
Nanoscale Advances 7, (2025), 7538–7546
[65] Masahiko Kaneda, Wenjin Zhang, Dingkun Bi, Tianyishan Sun, Hiroto Ogura, Takahiko Endo, Yuta Takahashi, Shun Fujii, Toshiaki Kato, Yasumitsu Miyata
“Tunable-Diameter Nanoscrolls from Janus WSSe/WSe2 Heterostructures”
ACS Nano 19, (2025), 34918−34927
[64] Z. Ma, P. Solís-Fernández*, K. Hirata, Y.-C. Lin, K. Shinokita, M. Maruyama, K. Honda, T.-S. Kato, A. Uchida, H. Ogura,T. Otsuka, M. Hara, K. Matsuda, K. Suenaga, S. Okada, T. Kato, Y. Takahashi, Hiroki Ago*
“Lattice-guided growth of dense arrays of alignedtransition metal dichalcogenide nanoribbons with highcatalytic reactivity”
Science Advances 11, (2025), eadr8046-1-12
[63] S. Shiina, T. Murohashi, K. Ishibashi, X. He, T. Koretsune, Z. Liu, W. Terashima, Y. K. Kato, K. Inoue, M. Saito, Y. Ikuhara, and T. Kato*
“Synthesis of Ultrahigh-Purity (6,5) Carbon Nanotubes Using a Trimetallic Catalyst”
ACS Nano 18, (2024), 23979-23990.
[62] Y. Gao*, M. Kaneda, T. Endo, H. Nakajo, S. Aoki, T. Kato, Y. Miyata, and S. Okada
“Strain-induced scrolling of Janus WSSe”
Phys. Rev. B, 110 (2024), 035414-1-6.
[61] W. Zhang, Z. Liu, H. Nakajo, S. Aoki, H. Wang, Y. Wang, Y. Gao, M. Maruyama, T. Kawakami, Y. Makino, M. Kaneda, T. Chen, K. Aso, T. Ogawa, T. Endo, Y. Nakanishi, K. Watanabe, T. Taniguchi, Y. Oshima, Y. Yamada-Takamura, M. Koshino, S. Okada, K. Matsuda, T. Kato, and Y. Miyata*
“Chemically Tailored Semiconductor Moiré Superlattices of Janus Heterobilayers”
Small Structures, 5 (2024), 2300514-1-8.
[60] M. Kaneda, W. Zhang, Z. Liu, Y. Gao, M. Maruyama, Y. Nakanishi, H. Nakajo, S. Aoki, K. Honda, T. Ogawa, K. Hashimoto, T. Endo, K. Aso, T. Chen, Y. Oshima, Y. Yamada-Takamura, Y. Takahashi, S. Okada, T. Kato*, and Y. Miyata*
“Nanoscrolls of Janus Monolayer Transition Metal Dichalcogenides”
ACS Nano, 18 (2024), 2772−2781.
[59] Y. Nakanishi*, S. Furusawa, Y. Sato, T. Tanaka, Y. Yomogida, K. Yanagi, W. Zhang, H. Nakajo, S. Aoki, T. Kato, K. Suenaga, and Y. Miyata*
“Structural Diversity of Single-Walled Transition Metal Dichalcogenide Nanotubes Grown via Template Reaction”
Advanced Materials, 35 (2023), 2306631-1-11.
[58] T. Kato*, T. Kitada, M. Seo, W. Okita, N. Sato, M. Shinozaki, T. Abe, T. Kumasaka, T. Aizawa, Y. Muto, T. Kaneko, T. Otsuka*
“Scalable fabrication of graphene nanoribbon quantum dot devices with stable orbital-level spacing”,
Communications Materials, Vol. 3, No. 103, pp. 1-7, 2022.12.22.
[57] X. He, Y. Iwamoto, T. Kaneko T. Kato*,
“Fabrication of near-invisible solar cell with monolayer WS2”,
Scientific Reports, Vol. 12, No. 11315, pp. 1-8, 2022.7.4.
[56] J. Zhou, X. He, T. Kato, K. Yoshikawa, H. Yamada,
“Power generation characteristics of Si PV cell under extremely high-intensity near-infrared light irradiation”,
IEICE Electronics Express , Vol. 19, No. 3, pp. 1-6, 2022.1.14.
[55] X. Qiang, Y. Iwamoto, A. Watanabe, T. Kameyama, X. He, T. Kaneko, Y. Shibuta, T. Kato*,
“Non-classical nucleation in vapor–liquid–solid growth of monolayer WS2 revealed by
in-situ monitoring chemical vapor deposition”,
Scientific Reports, Vol. 11, No. 22285, pp. 1-9, 2021.11.15.
[54] H. Sugiura, Y. Ohashi, K. Ishikawa, H. Kondo, T. Kato, T. Kaneko, K. Takeda, T. Tsutsumi, T. Hayashi, M. Sekine, M. Hori ,
“Gas-phase and film analysis of hydrogenated amorphous carbon films: Effect of ion bombardment energy flux on sp2 carbon structures”,
Diamond and Related Materials, Vol. 104, No. 107651, pp. 1-10, 2020.4
[53] C. Li, T. Kameyama, T. Takahashi, T. Kaneko, T. Kato*,
“Nucleation dynamics of single crystal WS2 from droplet precursors uncovered by in-situ monitoring”,
Scientific Reports, Vol. 9, No. 12958, pp. 1-7, 2019.9.10.
[52] Q.-Y. Li*, T. Feng, W. Okita, Y. Komori, H. Suzuki, T. Kato*, T. Kaneko, T. Ikuta, X. Ruan*, K. Takahashi,
“Enhanced Thermoelectric Performance of As-Grown Suspended Graphene Nanoribbons”,
ACS Nano, Vol. 13, No. 8, pp. 9182-9189, 2019.8.14.
[51] B. Xu, T. Kaneko, and T. Kato*,
“Improvement in growth yield of single-walled carbon nanotubes with narrow chirality distribution by pulse plasma CVD”,
Frontiers of Chemical Science and Engineering, Vol. 13, Issue 3, pp. 485-492, 2019.7.29. (Invited Paper, Cover Picture)
[50] H. Suzuki, N. Ogura, T. Kaneko, T. Kato*,
“Highly stable persistent photoconductivity with suspended graphene nanoribbons”,
Scientific Reports, Vol. 8, No. 11819, pp. 1-9, 2018.8.7.
[49] T. Akama, W. Okita, R. Nagai, C. Li, T. Kaneko, T. Kato*,
“Schottky solar cell using few-layered transition metal dichalcogenides toward large-scale fabrication of semitransparent and flexible power generator”,
Scientific Reports, Vol. 7, No. 11967, pp. 1-10, 2017.9.20.
[48] B. Xu, T. Kaneko, Y. Shibuta, T. Kato*,
“Preferential synthesis of (6,4) single-walled carbon nanotubes by controlling oxidation degree of Co catalyst”,
Scientific Reports, Vol. 7, No. 11149, pp. 1- 9, 2017.9.11.
[47] C. Li, Y. Yamaguchi, T. Kaneko, and T. Kato*,
“Large single-domain growth of monolayer WS2 by rapid-cooling chemical vapor deposition”,
Applied Physics Express, Vol. 10, No. 075201, pp.1-4, 2017.6.9.
[46] U. Khalilov*, A. Bogaerts, B. Xu, T. Kato, T. Kaneko, and E. C. Neyts,
“How the alignment of adsorbed ortho H pairs determines the onset of selective carbon nanotube etching”,
Nanoscale, Vol. 9, No.4, pp. 1653-1661, 2017.1.28.
[45] T. Kato* and T. Kaneko,
“Transport Dynamics of Neutral Excitons and Trions in Monolayer WS2”,
ACS Nano, Vol. 10, No. 10, pp. 9687-9694, 2016.9.24.
[44] H. Suzuki, T. Kaneko, Y. Shibuta, M. Ohno, Y. Maekawa, and T. Kato*,
“Wafer scale fabrication and growth dynamics of suspended graphene nanoribbon arrays”,
Nature Communications, Vol. 7, No. 11797, pp. 1-10, 2016.6.2.
[43] T. Kato* E. Neyts, Y. Abiko, T. Akama, R. Hatakeyama, and T. Kaneko,
“Kinetics of Energy Selective Cs Encapsulation in Single-walled Carbon Nanotubes for Damage-free and Position-selective Doping”,
The Journal of Physical Chemistry C, Vol. 119, No. 21, pp. 11903-11908, 2015.5.15.
[42] T. Kato* and T. Kaneko,
“Optical Detection of a Highly Localized Impurity State in Monolayer Tungsten Disulfide”,
ACS Nano,Vol. 8, No. 12, pp. 12777-12785, 2014.12.3.
[41] Y. Abiko, T. Kato*, R. Hatakeyama, and T. Kaneko,
“Fabrication of stable pn junction single-walled carbon nanotube thin films by position selective Cs plasma irradiation method”,
Journal of Physics: Conference Series, Vol. 518 pp. 012013-1-5, 2014.6.3.
[40] H. Suzuki*, T. Kato, and T. Kaneko,
“Improvement of Electrical Device Performances for Graphene Directly Grown on a SiO2 Substrate by Plasma Chemical Vapor Deposition”,
Plasma and Fusion Research: Rapid Communications, Vol. 9 pp. 1206079-1-3, 2014.4.24.
[39] B. Xu*, T. Kato, K. Murakoshi, and T. Kaneko,
“Effect of Ion Impact on Incubation Time of Single-Walled Carbon Nanotubes Grown by Plasma Chemical Vapor Deposition”,
Plasma and Fusion Research: Rapid Communications, Vol. 9, pp. 1206075-1-3, 2014.4.16.
[38] T. Kato*, M. Morikawa, H. Suzuki, B. Xu, R. Hatakeyama, and T. Kaneko,
“Catalyst-Free Growth of High-Quality Graphene by High-Temperature Plasma Reaction”,
Nanoscience & Technology, Vol. 1, No.1, pp.01-1-4, 2013.12.20.
[37] T. Kato*, B. Xu, H. Suzuki, and T. Kaneko,
“Fabrication of Au Nanoparticle-Decorated Standing Graphene/Carbon Paper Composite”,
JSM Nanotechnology & Nanomedicine, Vol. 1, No. 3, pp.1018-1-3, 2013.12.6.
[36] T. Kato* and R. Hatakeyama,
“Site- and alignment-controlled growth of graphene nanoribbons from nickel nanobars”,
Nature Nanotechnology, Vol. 7, No. 10, pp.651-656, 2012.
[35] T. Kato* and R. Hatakeyama,
“Direct Growth of Doping-Density-Controlled Hexagonal Graphene on SiO2 Substrate by Rapid-Heating Plasma CVD”,
ACS Nano, Vol. 6, No. 10, pp. 8508-8515, 2012.
[34] R. Hatakeyama*, T. Kaneko, T. Kato, and Y. F. Li,
“Plasma-Synthesized Single-Walled Carbon Nanotubes and Their Applications”,
Journal of Physics D: Applied Physics, Vol. 44, pp. 174004-1-21, 2011.
[33] T. Kato*, L. Jiao, X. Wang, H. Wang, X. Li, L. Zhang, R. Hatakeyama, and H. Dai,
“Room-Temperature Edge Functionalization and Doping of Graphene by Mild Plasma”,
Small, Vol. 7, No. 5, pp. 574?577, 2011.
[32] T. Kato*, S. Kuroda, and R. Hatakeyama,
“Diameter Tuning of Single-Walled Carbon Nanotubes by Diffusion Plasma CVD”,
Journal of Nanomaterials, Vol. 2011, pp. 490529-1-7, 2011.
[31] T. Kato* and R. Hatakeyama,
“Direct Growth of Short Single-Walled Carbon Nanotubes with Narrow-Chirality Distribution by Time-Programmed Plasma Chemical Vapor Deposition”,
ACS Nano, Vol. 4, No.12, pp 7395?7400, Nov. 2010.
[30] Z. Ghorannevis, T. Kato*, T. Kaneko, and R. Hatakeyama,
“Narrow-Chirality Distributed Single-Walled Carbon Nanotubes Growth from Nonmagnetic Catalyst”,
Journal of the American Chemical Society, Vol. 132, No. 28, pp. 9570-9572, Jun. 2010.
[29] Z. Ghorannevis*, T. Kato, T. Kaneko, and R. Hatakeyama,
“Growth of Single-Walled Carbon Nanotubes from Nonmagnetic Catalysts by Plasma CVD”,
Japanese Journal of Applied Physics, Vol. 49, No. 2, pp. 02BA01-1-4, 2010.
[28] T. Shimizu, T. Kato*, W. Oohara, and R. Hatakeyama,
“Electrical Transport Properties of Calcium Encapsulated Single-Walled Carbon Nanotubes Realized Using Calcium Plasma”,
Japanese Journal of Applied Physics, Vol. 49, No. 2, pp. 02BD05-1-3, 2010.
[27] Z. Ghorannevis*, T. Kato, T. Kaneko, and R. Hatakeyama,
“Effect of Gold Catalytic Layer Thickness on Growth of Single-Walled Carbon Nanotubes Using Thermal and Plasma CVD”,
Journal of Plasma and Fusion Research SERIES, Vol. 8, pp. 0595-0598, 2009.
[26] T. Kato*, R. Hatakeyama, J. Shishido, W. Oohara, and K. Tohji,
“P-N Junction with Donor and Acceptor Encapsulated Single-Walled Carbon Nanotubes”,
Applied Physics Letters, Vol. 95, No. 8, pp. 083109-1-3, 2009.
[25] T. Kato* and R. Hatakeyama,
“Exciton Energy Transfer Assisted Photoluminescence Brightening from Freestanding Single-Walled Carbon Nanotube Bundles”,
Journal of the American Chemical Society, Vol. 130, No.25, pp.8101-8107, May. 2008.
[24] R. Hatakeyama*, T. Kaneko,W. Oohara, Y. F. Li, T. Kato, K. Baba, and J. Shishido,
“Novel-Structured Carbon Nanotubes Creation by Nanoscopic Plasma Control”,
Plasma Source Science and Technology, Vol. 17 pp. 024009-1-11, 2008.
[23] J. Shishido*, T. Kato, W. Oohara, R. Hatakeyama, and K. Tohji,
“Modification of Electrical Transport Properties of Single-Walled Carbon Nanotubes Realized by Negative-Ion Irradiation with Electron-Free Pure Alkali-Halogen Plasma”,
Japanese Journal of Applied Physics, Vol. 47, pp. 2044-2047, 2008.
[22] T. Kato* and R. Hatakeyama,
“Kinetics of Reactive Ion Etching upon Single-Walled Carbon Nanotubes”,
Applied Physics Letters, Vol. 92, No. 3, pp. 031502-1-3, Jan. 2008.
[23] Y. F. Li*, R. Hatakeyama, T. Kaneko, T. Kato, and T. Okada,
“Formation of C60-Encapsulated Double-Walled Carbon Nanotubes with Novel Electrical Transport Properties Based on Plasma Technology”,
Plasma and Fusion Research: Rapid Communications, Vol. 2, pp. 017-1-2, 2007.
[20] Y. F. Li*, R. Hatakeyama, J. Shishido, T. Kato, and T. Kaneko,
“Air-Stable P-N Junction Diodes Based on Single-Walled Carbon Nanotubes Encapsulating Fe Nanoparticles”,
Applied Physics Letters, Vol. 90, pp. 173127-1-3, 2007.
[19] Y. F. Li*, R. Hatakeyama, T. Kaneko, T. Kato, and, T. Okada,
“Negative Differential Resistance in Tunneling Transport Through C60 Encapsulated Double-Walled Carbon Nanotubes”,
Applied Physics Letters, Vol.90, pp. 073106-1-3, 2007.
[18] Y. F. Li*, T. Izumida, T. Okada, T. Kato, R. Hatakeyama, and J. S. Qiu,
“Modification of Double-walled Carbon Nanotubes by Cs Plasma Ion Irradiation”,
Japanese Journal of Applied Physics, Vol. 45, pp. 8330-8334, 2006.
[17] Y. F. Li*, R. Hatakeyama, T. Kaneko, T. Izumida, T. Okada, and T. Kato,
“Electrical Properties of Ferromagnetic Semiconducting Single-Walled Carbon Nanotubes”,
Applied Physics Letters, Vol. 89, pp. 083117-1-083117-3, 2006.
[16] Y. F. Li*, R. Hatakeyama, T. Kaneko, T. Izumida, T. Okada, and T. Kato,
“Electronic Transport Properties of Cs-Encapsulated Double-Walled Carbon Nanotubes”,
Applied Physics Letters, Vol.89, pp093110-1-3, 2006.
[15] Y. F. Li*, R. Hatakeyama, T. Kaneko, T. Izumida, T. Okada, and T. Kato,
“Synthesis and Electronic Properties of Ferrocene-Filled Double-Walled Carbon Nanotubes”,
Nanotechnology, Vol. 17, No. 16. pp. 4143-4147, 2006.
[14] Y. F. Li*, R. Hatakeyama, T. Okada, T. Kato, T. Izumida, T. Hirata, J. S. Qiu,
“Synthesis of Cs-filled Double-Walled Carbon Nanotubes by a Plasma Process;,
Carbon, Vol. 44, No. 8, pp. 1586-1589, 2006.
[13] G. Sato*, T. Morio, T. Kato, and R. Hatakeyama,
“Fast Growth of Carbon Nanowalls from Pure Methane using Helicon Plasma-Enhanced Chemical Vapor Deposition”,
Japanese Journal of Applied Physics, Vol. 45, pp. 5210-5212, 2006.
[12] G. Sato*, T. Kato, W. Oohara, and R. Hatakeyama,
“Production and Application of Reactive Plasmas using Helicon-Wave Discharge in Very Low Magnetic Fields”,
Thin Solid Films, Vol. 506-507, pp.550-554, 2006.
[11] T. Kato* and R. Hatakeyama,
“Formation of Freestanding Single-Walled Carbon Nanotubes by Plasma-Enhanced Chemical Vapor Deposition”,
Chemical Vapor Deposition, Vol. 12, No. 6, pp. 345-352, 2006.
[10] T. Kato*, R. Hatakeyama, and K. Tohji,
“Diffusion Plasma Chemical Vapor Deposition Yielding Freestanding Individual Single-Walled Carbon Nanotubes on a Silicon-Based Flat Substrate”,
Nanotechnology, Vol. 17,No. 9, pp. 2223-2226, 2006.
[9] R. Hatakeyama* and T. Kato,
“Aligned Carbon Nanotube Formation via Radio-Frequency Magnetron Plasma Chemical Vapor Deposition”,
Journal of Plasma Fusion Research, Vol. 81, pp. 653-659, 2005.
[8] R. Hatakeyama*, T. Hirata, W. Oohara, T. Kato, and T. Izumida,
“Creation of Novel Structured Nanotubes Based on Plasma Technology”,
Journal of the Vacuum Society of Japan, Vol. 48, pp. 238-240, 2005.
[7] R. Hatakeyama*, G.-H. Jeong, T. Kato, and T. Hirata,
“Effects of Micro and Macro-Plasma-Sheath Electric Fields on Carbon Nanotube Growth in a Cross-Field Radio-Frequency Discharge”,
Journal of Applied Physics, Vol. 96, No. 11, pp. 6053-6060, 2004.
[6] G.-H. Jeong*, N. Satake, T. Kato, T. Hirata, R. Hatakeyama, and K. Tohji,
“Simple Methods for Site-controlled Carbon Nanotube Growth using Radio-frequency Plasma-enhanced Chemical Vapor Deposition”
Applied Physics A, Vol. 79, pp. 85-87, 2004.
[5] T. Kato*, G.-H. Jeong, T. Hirata, R. Hatakeyama, and K. Tohji,
“Freestanding Individual Single-Walled Carbon Nanotube Synthesis Based on Plasma Sheath Effects”,
Japanese Journal of Applied Physics (Express Letter), Vol. 43, No. 10A, pp. L1278-L1280, 2004.
[4] T. Kato*, G.-H. Jeong, T. Hirata, and R. Hatakeyama,
“Structure Control of Carbon Nanotubes using Radio-frequency Plasma Enhanced Chemical Vapor Deposition ”
Thin Solid Films, Vol. 457, No.1, pp. 2-6, 2004.
[3] G.-H. Jeong*, N. Satake, T. Kato, T. Hirata, R. Hatakeyama, and K. Tohji,
“Time Evolution of Nucleation and Vertical Growth of Carbon Nanotubes during Plasma-Enhanced Chemical Vapor Deposition”
Japanese Journal of Applied Physics, Vol. 42, No. 11A, pp. 1340-1342, 2003.
[2] T. Hirata*, N. Satake, G.-H. Jeong, T. Kato, and R. Hatakeyama,
“Magnetron-type Radio-frequency Plasma Control Yielding Vertically Well-aligned Carbon Nanotube Growth”
Applied Physics Letters,Vol. 83, No. 6, pp. 1119-1121, 2003.
[1] T. Kato*, G.-H. Jeong, T. Hirata, R. Hatakeyama, K. Tohji, and K. Motomiya,
“Single-Walled Carbon Nanotubes Produced by Plasma-Enhanced Chemical Vapor Deposition”
Chemical Physics Letters, Vol. 381, No. 3-4, pp. 422-426, 2003. (“Top-50 most cited articles” as published in Chemical Physics Letters from 2003 to 2007)
〈REVIEW ARTICLE〉
[2] R. Hatakeyama*, T. Kato, Y. Li, and T. Kaneko,
“Plasma Processing Based Synthesis of Functional Nanocarbons”,
Plasma Chemistry and Plasma Processing, Vol. 34, Issue 3, pp. 377-402, 2014.3.29.
[1] T. Kato* and R. Hatakeyama,
“Growth of Single-Walled Carbon Nanotubes by Plasma CVD”
Journal of Nanotechnology, Vol. 2010, pp 256906-1-11, 2010.