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Materials and processes for innovative next-generation devices
Research Results
Phase I Phase II Phase III

2007 Researchers

Seiya KASAI Eiji SAITOH Masashi SHIRAISHI
Y.K. TAKAHASHI Tomoyasu TANIYAMA Arata TSUKAMOTO
Naoki FUKATA Shuichi MURAKAMI Takeshi YASUDA
Akinobu YAMAGUCHI Katsunori WAKABAYASHI  

Katsunori WAKABAYASHI

paper
[18] M. Inoue, Y. Kangawa, K. Wakabayashi, H. Kageshima and K. Kakimoto, "Tight-Binding Approach to Initial Stage of the Graphitization Process on a Vicinal SiC Surface", Jpn. J. Appl. Phys 50[3] (2011) 038003-1.
[17] Katsunori Wakabayashi, Yositake Takane, and Manfred Sigrist, "Electronic transport properties and perfectly conducting channel of disordered graphene nanoribbons", Proceedings of 29th International Conference on the Physics of Semiconductors, Rio de Janeiro, Brazil, AIP Conf. Proc. 1199, 539-540 (2010).
[16] Katsunori Wakabayashi, Yositake Takane, and Manfred Sigrist, "Electronic transport properties of disordered graphene nanoribbons", Journal of Physics: Conference Series, vol. 150, 022097 (2009).
[15] Kenichi Sasaki, Katsunori Wakabayashi, and Toshiaki Enoki, "Berry’s Phase for Standing Wave near Graphene Edge", New J. Phys. 12, 083023 (2010).
[14] Ken-ichi Sasaki, and Katsunori Wakabayashi, "Chiral gauge theory for graphene edge", Phys. Rev. B82, 035421 (15 pages) (2010).
[13] Ken-ichi Sasaki, Riichiro Saito, Katsunori Wakabayashi, and Toshiaki Enoki, " Identification the Orientation of Edge of Graphene using G band Raman Spectra", J. Phys. Soc. Jpn. vol.79, No.4, 044603 (8 pages) (2010).
[12] Katsunori Wakabayashi, Ken-ichi Sasaki, Takeshi Nakanishi, and Toshiaki Enoki, "Electronic states of graphene nanoribbons with analytic solutions", Science and Technology of Advanced Materials, Sci. Technol. Adv. Mater. 11, 054504 (2010).
[11] Katsunori Wakabayashi , Yositake Takane, Masayuki Yamamoto, and Manfred Sigrist, "Electronic transport properties of graphene nanoribbons", New Journal of Physics, vol. 11, 095016 (2009), (2009/9/30).
[10] Katsunori Wakabayashi, Susumu Okada, Ryutaro Tomita, Shigeo Fujimoto, and Yuhei Natume, "Edge state and flat band of graphene nanoribbons with edge modification", J. Phys. Soc. Jpn. vol.79, No.3, 034706(7 pages) (2010).
[9] Ken-ichi Sasaki, Masayuki Yamamoto, Shuichi Murakami, Riichiro Saito, Mildred S. Dresselhaus, Kazuyuki Takai, Takanori Mori, Toshiaki Enoki, and Katsunori Wakabayashi, "Kohn Anomalies in Graphene Nanoribbons", Phys. Rev. B80, 155450 (2009).
[8] Masayuki Yamamoto, Katsunori Wakabayashi, "Control of electric current by graphene edge structure engineering", Appl. Phys. Lett. vol. 95, 082109 (2009).
[7] Katsunori Wakabayashi, Yositake Takane, and Manfred Sigrist, "Electronic transport properties of disordered graphene nanoribbons", Journal of Physics: Conference Series, vol. 150, 022097 (2009).
[6] K.-I. Sasaki, Y. Shimomura, Y. Takane, and K. Wakabayashi, "Hamiltonian decomposition for bulk and surface states", Phys. Rev. Lett. Vol. 102, 146806 (2009)
[5] Masayuki Yamamoto, Yositake Takane, and Katsunori Wakabayashi, "Nearly Perfect Single-Channel Conduction in Disordered Armchair Nanoribbons", Phys. Rev. B79, 125421(2009).
[4] Yositake Takane, Shingo Iwasaki, Yuka Yoshioka, Masayuki Yamamoto, and Katsunori Wakabayashi, "Conductance Distribution in Disordered Quantum Wires with a Perfectly Conducting Channel", J. Phys. Soc. Jpn. Vol.78, no.3, 034717 (2009)
[3] Katsunori Wakabayashi and Manfred Sigrist, "Enhanced conductance fluctuation due to the zero-conductance Fano resonances in the quantum point contact on graphene", J. Phys. Soc. Jpn. (Letters), vol. 77, No. 11, 113708(1)-113708(4) (2008).
[2] Katsunori Wakabayashi, Yoshitake Takane, Masayuki Yamamoto, and Manfred Sigrist, "Edge Effect on Electronic Transport Properties of Graphene Nanoribbons and Presence of Perfectly Conducting Channel", CARBON (Elsvier) (2008) in press, doi:10.1016/j.carbon.2008.09.040
[1] Yoshitake Takane and Katsunori Wakabayashi, "Conductance Fluctuations in Disordered Wire with Perfectly Conducting Channels", J. Phys. Soc. Jpn. vol. 77, No. 5, 054702(1)-054702(6), 2008
presentation
[26] Sudipta Dutta, and Katsunori Wakabayashi, "Hole doping induces the magnetism in nanographenes", MANA International Symposium 2011 (3 Mar. 2011).
[25] 井上仁人、寒川義裕、若林克法、柿本浩一, "Tight-binding approach to initial stage of graphitization on SiC surface", 第29回電子材料シンポジウム (Japanese, 2010/7/15).
[24] 佐々木健一,若林克法,榎敏明, "グラフェンリボンにおけるカイラリティ混成ソリトン状態", 日本物理学会 (Japanese, 2010/9/24).
[23] 井上 仁人, 寒川 義裕, 若林 克法, 影島 博之,柿本 浩一, "SiC表面におけるグラフェン成長の初期過程", 2010年秋季第71回応用物理学会学術講演会 (Japanese, 2010/9/14).
[22] 若林克法, "計算科学手法によるカーボン素子の設計と物性予測", 応用物理学会シンポジウム「革新的デバイス創成を指向した物理とテクノロジーの探索」(Japanese, 2010/9/15).
[21] Ken-ichi Sasaki, Takanori Mori, Kazuyuki Takai, Katsunori Wakabayashi, and Toshiaki Enoki, "Identification of graphene edge shape using Raman G-band spectra", The 37th Fullerenes-Nanotubes general Symposium (Tsukuba, 2009/9/3, Japanese).
[20] Takanori Mori, Kazuyuki Takai, Ken-ichi Sasaki, Katsunori Wakabayashi, and Toshiaki Enoki, "Edge shape dependence of Raman spectrocopy on graphene", The 37th Fullerenes-Nanotubes general Symposium (Tsukuba, 2009/9/3, Japanese).
[19] Takanori Mori, Kazuyuki Takai, Ken-ichi Sasaki, Katsunori Wakabayashi, and Toshiaki Enoki, "Edge shape dependence of Raman spectrocopy on graphene", JPS Meeting 2009 Autumn (Japanese, 2009/9/27).
[18] Ken-ichi Sasaki, Masayuki Yamamoto, Shuichi Murakami, Riichiro Saito, and Katsunori , "Kohn anomalies of graphene nanoribbons", JPS Meeting 2009 Autumn (Japanese, 2009/9/27).
[17] Masayuki Yamamoto and Katsunori Wakabayashi, "Electronic transport properties of graphene nanoribbon junctions", JPS Meeting 2009 Autumn (Japanese, 2009/9/27).
[16] Masayuki Yamamoto and Katsunori Wakabayashi, "Electronic transport properties of graphene nanoribbon junctions", The 2nd Univ. Tsukuba and KEK Mini-WS on graphene, graphite and related field (Tsukuba univ., 2009/11/27, Japanese).
[15] Masayuki Yamamoto and Katsunori Wakabayashi, "Electronic transport properties through graphene point contact", JPS 2010 Spring Meeting The 65th JPS Annual Meeting (Japanese, 2010/3/23).
[14] Ken-ichi Sasaki, Katsunori Wakabayashi, and Toshiaki Enoki, "Edge states of graphene with energy gap", JPS 2010 Spring Meeting The 65th JPS Annual Meeting (Japanese, 2010/3/23).
[13] Yuji Shimomura, Yositake Takane, and Katsunori Wakabayashi, "Electronic states and local density of states of graphene corner edge", JPS 2010 Spring Meeting The 65th JPS Annual Meeting (Japanese, 2010/3/23).
[12] Kikuo Harigaya, and K. Wakabayashi, "Edge states in bilayer graphene", JPS 2010 Spring Meeting The 65th JPS Annual Meeting (Japanese, 2010/3/20).
[11] Katsunori Wakabayashi, and Susumu Okada, "Edge states and flat bands of graphene nanoribbons with edge modification", JPS 2010 Spring Meeting The 65th JPS Annual Meeting (Japanese, 2010/3/20).
[10] Katsunori Wakabayashi, "Peculiar Electronic and Transport of Graphene Nanoribbons", MANA International Symposium 2010, Tsukuba (2010/3/3).
[9] Katsunori Wakabayashi, "Edge Shape and Magnetic Field Effects on Electronic Transport Properties of Graphene Nanoribbons", 15th International Symposium on Intercalation Compounds, Beijing, China, 12 May 2009.
[8] M. Yamamoto, and K. Wakabayashi, "Effect of Lattice Vacancies on Perfectly Conducting Channel in Zigzag Graphene Nanoribbons", International Symposium on “Graphene Device: Technology, Physics and Modeling”(2009/11/17-19)
[7] Masayuki Yamamoto, Yositake Takane, and Katsunori Wakabayashi, "Peculiar Single-Channel Transport in Disordered Armchair Nanoribbons", JPS Meeting (Japanese, 2009/3/28)
[6] Katsunori Wakabayashi, "Edge Roughness Effects on Electronic Transport Properties of Graphene", JPS Meeting (Japanese, 2009/3/28)
[5] Katsunori Wakabayashi, "Edge Shape and Magnetic Field Effects on Electronic Transport Properties of Graphene Nanoribbons", 15th International Symposium on Intercalation Compounds, Beijing, China (2009/5/10-14)
[4] Masayuki Yamamoto, Katsunori Wakabayashi, "Effect of random bonding on quantum transport properties in graphene nanoribbons", JPS Meeting (Japanese, 2008/9/22)
[3] Yoshitake Takane and Katsunori Wakabayashi, "Conductance of disordered quantum wires with perfectly conducting channels", JPS Meeting (Japanese, 2008/9/22)
[2] Katsunori Wakabayashi, "Electronic Transport Properties and Perfectly Conducting Channel of the Disordered Nanographene Ribbons", 29th International Conference on the Physics of Semiconductor (ICPS2008), Rio de Janeiro
[1] Katsunori Wakabayashi, Yoshitake Takane, Manfred Sigrist, "Electronic Transport Properties of Graphene Nanoribbons due to Edge States", JPS Meeting (Japanese, 2008/3/24)
invited speech
[27] Katsunori Wakabayashi, "Edge effect on electronic properteis of graphene", 3rd International Symposium on the Science and Technology of Epitaxial Graphene (STEG3) (2011/10/24).
[26] Katsunori Wakabayashi, "Edge effect on magnetic and trasnport properteis of graphene", Recent Progress in Graphene Research (2011/10/3).
[25] Katsunori Wakabayashi, "ナノグラフェンの特異な電子物性", 東京大学物性研究所理論セミナー (Japanese, 2010/6/4).
[24] 若林克法, "グラフェンの基礎理論とナノ構造化の効果", STRJ-WG13ERMヒアリング (Japanese, 2011/1/27).
[23] Katsunori Wakabayashi, "Quantum Electronic Transport Properties of Graphene Nanoribbons and Nanojunctions", Theory Seminar, Institute for Theoretical Physics, ETH-Zurich, Switerland (2011/2/9).
[22] 若林克法, "グラフェンの特異な電子物性とナノスケール効果", 大阪市立大学 学内重点研究 アインシュタインの物理冬セミナー 和歌山県紀美町セミナーハウス未来塾 (Japanese, 2011/2/19-20).
[21] 若林克法, "理論計算からの興味 何が期待されるか", MNC2010(23rd International Microprocess and Nanotechnology Conference, Nov.9-12,2010) 技術セミナー「グラフェン」(Japanese, 2010/11/9).
[20] K. Wakabayashi, "Electronic and Transport Properties of Graphene Nanoribbons and Nanojunctions", Solid State Device and Materials (SSDM2010), Area 9, F-1 Graphene Structures and Transport, The University of Tokyo (2010, Sep. 22).
[19] K. Wakabayashi, "Electronic and Transport Properties of Nano-Graphene Systems", International Conference on Quantum Effects in Solids of Today (I-ConQuEST), National Physical Laboratory, New Delhi, India (Dec. 20-23, 2010).
[18] K.Wakabayashi, "Quantum Electronic Transport and Magnetic Properties of Nanographene Systems", Graphene Workshop 2011 in Tsukuba, Okura Frontier Hotel Tsukuba (Jan. 17-18, 2011).
[17] K. Wakabayashi, "Low-Energy Physical Properties of Nano-Graphene Systems", Graphene Workshop 2011 in Lancaster, UK, Lancaster University, UK (Feb., 2011).
[16] Katsunori Wakabayashi, "Electronic Transport of Nanographene: Effect of Geometry and Edges", NIMS CMS Seminar, 2009/6/10.
[15] Katsunori Wakabayashi, "Electronic Transport of Nanographene: Effect of Geometry and Edges", The 1st MANA/NIMS-CEMES/CNRS Joint Workshop on the Fusion of Theory and Experiment, 2009/10/13. Thoulouse, France.
[14] Katsunori Wakabayashi, "Peculiar Nanoscale Effect on Electronic Properties of Graphene", Condensed Matter Seminar at Nara Women's University (Japanese, 2009/12/15).
[13] Katsunori Wakabayashi, "Peculiar Nanoscale Effect on Electronic Properties of Graphene", Japan Electronics and Information Technology Industries Association(JEITA) Seminar at Hiyoshi Campus of Keio University (Japanese, 2010/1/15).
[12] Katsunori Wakabayashi, "Peculiar Low-Energy Physical Properties of Nanographenes", MANA Seminar (2010/1/29).
[11] Katsunori Wakabayashi, "Electronic Transport Properties of Nanographenes", ATI 2nd Nanocarbon Workshop, (Japanese, 2009/9/11).
[10] Katsunori Wakabayashi, "Electronic Transport Properties of Nanographenes", ISSP Workshop Dirac electrons - graphene and related materials (Japanese, 2009/10/23).
[9] Katsunori Wakabayashi, "Electronic Transport of Nanographene: Effect of Geometry and Edges", Indo-Japan Conference on “Graphene”, 2009,Nov.17-19, Jawharlar Nehru Center for Advanced Scientific Research, Bangalore, India (2009/11/18).
[8] Katsunori Wakabayashi, "Electronic Transport of Nanographene: Effect of Geometry and Edges", International Conference of Computational Methods in Sciences and Engineering(ICCMSE2009), Rhodes, Greece (2009/9/30).
[7] Katsunori Wakabayashi, "Electronic Transport of Nanographene: Effect of Geometry and Edges", KIAS Workshop on Physical Properties of Graphene, Korea Institute for Advanced Science(KIAS), Seoul, South Korea, Jun. 29, 2009.
[6] Katsunori Wakabayashi, "Electronic Transport Properties of Graphene Nanoribbons", Okazaki Conference 2009, From Aromatic Molecules to Graphene: Chemistry, Physics and Device Applications, Okazaki Conference Center, Okazaki, Japan (2009/2/21-23)
[5] Katsunori Wakabayashi, "Peculiar Quantum Transport Properties of Graphene Nanoribbons", Graphene Device: Technology, Physics and Modeling”(ISGD2008), University of Aizu, Fukushima, Japan (2008/11/17-19)
[4] Katsunori Wakabayashi, "Nano-size and edge effects on Electronic Properties of Graphene", Symposium of Area 7, "Focus on Graphene Research - New Challenge -", JPS Meeting (Japanese, 2008/9/21)
[3] Katsunori Wakabayashi, "Peculiar Electronic Properties of Nano-Graphenes due to Edge States", Seminar Talk, Department of Physics, Tohoku University (Japanese, 2008/9/4)
[2] Katsunori Wakabayashi, "Electronic transport properties and perfectly conducting channel of disordered graphene nanoribbons", Aspen Center for Physics, Aspen, USA, Jun. 19, 2008. Workshop-Summer 2008-, The Physics of Graphene, June 8 June 29, 2008.
[1] Katsunori Wakabayashi, "Electronic Properties of Nano-Graphene Ribbons", Seminar Talk, Laboratory for Solid State Physics (Klaus Ensslin Gr.), ETH-Zurich, Switzerland (2007/10/23)
publications
[4] 若林克法, "グラフェン電子状態の理論的側面", 日経エレクトロニクス編集, グラフェン・イノベーション – 電子デバイスを変えるナノカーボン材料革命日経BP社発行 ISBN 978-4-8222-0229-6 第2章2-2, pp. 52-65 (Japanese).
[3] 塚越一仁, 若林克法, "新しい世界を作った物質”グラフェン”- 流れを引き寄せた洞察力 -", 科学(岩波書店), 2011年1月号, pp. 0023-0026 (Japanese).
[2] 若林克法, "ナノグラフェンの特異な電子物性", 炭素 TANSO, No. 243, 116-120 (2010) (Japanese).
[1] Katsunori Wakabayashi, and Koichi Kusakabe, "Physical Properties of Graphite Sheet - Nano-Graphene -", BUTSURI, vol 63, no.5, 344-352 (Japanese, 2008).
patent
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press
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