研究業績

2024年

  1. Tianshun Xie, Mengnan Ke, Peter Krüger, Keiji Ueno, Nobuyuki Aoki, Contact Properties on a Semiconducting MoTe2 Crystal Usuig Polymorphic Structures, ACS Applied Electronic Materials, 6,7026-7034, Published 2024/9/10, doi.org/10.1021/acsaelm.4c01369
  2. Carlo da Cunha;Nobuyuki Aoki;David K. Ferry;Kevin Vora;Yu Zhang: Machine learning methods for background potential estimation in 2DEGs, Physica E: Low-dimensional Systems and Nanostructures, 162, 115987, Published 2024/8, doi.org/10.1016/j.physe.2024.115987

2023年

  1. Rong Wei;Haruki Kawaguchi;Kaito Sato;Sayaka Kai;Keisaku Yamane;Ryuji Morita;Ken-ichi Yuyama;Satoyuki Kawano;Katsuhiko Miyamoto;Nobuyuki Aoki;Takashige Omatsu: High-definition direct-print of metallic microdots with optical vortex induced forward transfer, APL Photonics, 9, Published 2024/3/11, doi.org/10.1063/5.0187189
  2. T. Xie, M. Ke, K. Ueno, K. Watanabe, T. Taniguchi, N. Aoki: Realization of MoTe2 CMOS inverter by contact doping and channel encapsulation. Jpn. J. Appl. Phys. 63, 02SP49, doi.org/10.35848/1347-4065/ad16bc
  3. Hai Yen Le Thi;Tien Dat Ngo;Nhat Anh Nguyen Phan;Hoseong Shin;Inayat Uddin;A. Venkatesan;Chi-Te Liang;Nobuyuki Aoki;Won Jong Yoo;Kenji Watanabe;Takashi Taniguchi;Gil-Ho Kim , Doping-Free High-Performance Photovoltaic Effect in a WSe2 Lateral p-n Homojunction Formed by Contact Engineering, ACS Applied Materials & Interfaces, 15, 35342-35349, Published 2024/7/13, doi.org/10.1021/acsami.3c05451
  4. Sheng-Kuei Chiu, Ming-Chi Li, Ji-Wei Ci, Yuan-Chih Hung, Dung-Sheng Tsai, Chien-Han Chen, Li-Hung Lin, Kenji Watanabe, Takashi Taniguchi, Nobuyuki Aoki, Ya-Ping Hsieh, Chiashain Chuang: Enhancing optical characteristics of mediator-assisted wafer-scale MoS2 and WS2 on h-BN, Nanotechnology, 34, 255703, 2023. Published 2023/4/11,doi.org/ 10.1088/1361-6528/acc5f1

2022年

  1. Jubin Nathawat, Ishiaka Mansaray, Kohei Sakanashi, Naoto Wada, Michael D Randle, Shenchu Yin, Keke He, Nargess Arabchigavkani, Ripudaman Dixit, Bilal Barut, Miao Zhao, Harihara Ramamoorthy, Ratchanok Somphonsane, Gil-Ho Kim, Kenji Watanabe, Takashi Taniguchi, Nobuyuki Aoki, Jong E Han, Jonathan P Bird: Signatures of hot carriers and hot phonons in the re-entrant metallic and semiconducting states of Moiré-gapped graphene, Nature Communications 14, 1507-1-11 (2023). DOI: 10.1038/s41467-023-37292-4
  2. C. R. da Cunha, N. Aoki, D. K. Ferry, A. Velasquez, Y. Zhang, An investigation of the background potential in quantum constrictions using scanning gate microscopy and a swarming algorithm, Physica A: Statistical Mechanics and its Applications, 614, 128550-128563 (2023). DOI: 10.1016/j.physa.2023.128550
  3. Yuji Mitake, Ayaka Gomita, Ryohei Yamamoto, Miyabi Watanabe, Ryo Suzuki, Nobuyuki Aoki, Makoto Tanimura, Tadahiko Hirai, Masaru Tachibana: Solvated C70 single crystals for organic field effect transistors, Chemical Physics Letters, 807, 140094-1-7 (2022). DOI: 10.1016/j.cplett.2022.140094
  4. Tianshun Xie, Kazuki Fukuda, Mengnan Ke, Peter Krüger, Keiji Ueno, Gil-Ho Kim, Nobuyuki Aoki: Enhanced contact properties of MoTe2-FET via laser-induced heavy doping, Japanese Journal of Applied Physics, 62, SC1010-1-6 (2022). DOI 10.35848/1347-4065/aca67e
  5. Wei-Chen Chen, Chiashain Chuang, Tian-Hsin Wang, Ching-Chen Yeh, Sheng-Zong Chen, Kohei Sakanashi, Michio Kida, Li-Hung Lin, Po-Han Lee, Po-Chen Wu, Sheng-Wen Wang, Kenji Watanabe, Takashi Taniguchi, Ya-Ping Hsieh, Nobuyuki Aoki, Chi-Te Liang: Tuning weak localization in single-layer disordered SnSe2/graphene/h-BN field-effect device, 2D Materials, 9, 045015-1-6 (2022). DOI 10.1088/2053-1583/ac70e1
  6. Sheng-Kuei Chiu, Ming-Chi Li, Ji-Wei Ci, Yuan-Chih Hung, Dung-Sheng Tsai, Chien-Han Chen, Li-Hung Lin, Kenji Watanabe, Takashi Taniguchi, Nobuyuki Aoki, Ya-Ping Hsieh, Chiashain Chuang: Enhancing optical characteristics of mediator-assisted wafer-scale MoS2 and WS2 on h-BN, Nanotechnology, 34, 255703-1-9, (2023). DOI 10.1088/1361-6528/acc5f1
  7. Nhat Anh Nguyen Phan, Hamin Noh, Jihoon Kim, Yewon Kim, Hanul Kim, Dongmok Whang, Nobuyuki Aoki, Kenji Watanabe, Takashi Taniguchi, and Gil-Ho Kim: Enhanced Performance of WS2 Field-Effect Transistor throughMono and Bilayer h-BN Tunneling Contacts, Nano Micro Small, 2022, 2105753 (2022).  DOI: 10.1002/smll.202105753

2021年

  1. Kohei Sakanashi, Peter Krüger, Kenji Watanabe, Takashi Taniguchi, Gil-Ho Kim, David K. Ferry, Jonathan P. Bird, and Nobuyuki Aoki: Signature of spin-resolved quantum point contact in p-type trilayer WSe2 van der Waals heterostructure, Nano Letters, 21, 7534-7541 (2021). DOI: 10.1021/acs.nanolett.1c01828
  2. Vilas Patil, Jihyun Kim, Khushabu Agrawal, Tuson Park, Junsin Yi, Nobuyuki Aoki, Kenji Watanabe, Takashi Taniguchi, Gil-Ho Kim: High mobility field-effect transistors based on MoS2 crystals grown by the flux method, Nanotechnology, 32, 325603-1-6 (2021). DOI: 10.1088/1361-6528/abf6f1
  3. Kohei Sakanashi, Naoto Wada, Kentaro Murase, Kenichi Oto, Gil-Ho Kim, Kenji Watanabe, Takashi Taniguchi, Jonathan P. Bird, David K. Ferry, Nobuyuki Aoki: Valley polarized conductance quantization in bilayer graphene narrow quantum point contact, Appl. Phys. Lett. 118, 263102-1-5 (2021). DOI: 10.1063/5.0052845
  4. Y. Kajino, K, Sakanashi, N. Aoki, K. Watanabe, T. Taniguchi, K. Oto, Y, Yamada: Quantized exciton-exciton annihilation in monolayer WS2 on SrTiO3 substrates with atomically flat terraces, Phys. Rev. B 103, L241410-1-6 (2021). DOI: 10.1103/PhysRevB.103.L241410

2020年

  1. N. Arabchigavkani, R. Somphonsane, H. Ramamoorthy, G. He, J. Nathawat, S. Yin, B. Barut, K. He, M. D. Randle, R. Dixit, K Sakanashi, N. Aoki,K. Zhang, L. Wang, W. -N. Mei, P. A. Dowben, J. Fransson, and J. P. Bird: Remote mesoscopic signatures of induced magnetic texture in graphene, Physical Review Letters 126, 086802 (2021). DOI: 10.1103/PhysRevLett.126.086802
  2. Chiashain Chuang, Masahiro Matsunaga, Tian-Hsin Wang, Prathik Roy, Rini Ravindranath, Meenakshi Ananthula and Nobuyuki Aoki: Investigation of plant leaf-derived graphene quantum dot clusters via magnetic force microscopy, Nanotechnology 32, 245704-1-7 (2021). DOI: 10.1016/j.carbon.2019.07.057

2019年

  1. (Book) Yuichi Ochiai, Nobuyuki Aoki, Jonathan Paul Bird : Electronics Device Application of Fullerene Nanowhiskers, Fullerene Nanowhiskers, CRC Press, 267 (2019).
  2. Chiashain Chuang, Masaaki Mineharu, Masahiro Matsunaga, Chieh-Wen Liu, Bi-Yi Wu, Gil-Ho Kim, Kenji Watanabe, Takashi Taniguchi, Chi-Te Liang, Nobuyuki Aoki :Conductance interference effects in an electron-beam-resist-free chemical vapor deposition graphene device sandwiched between two h-BN sheets, Carbon, 154, 238-243 (2019).
  3. Kohei Sakanashi, Hidemitsu Ouchi, Kota Kamiya, Peter Krueger, Katsuhiko Miyamoto, Takashige Omatsu, Keiji Ueno, Jonathan Bird, Nobuyuki Aoki: Investigation of laser-induced-metal phase of MoTe2 and its contact property via scanning gate microscopy, Nanotechnology, 31, 205205 (2020).

2018年

  1. C. Chuang, M. Mineharu, N. Matsumoto, M. Matsunaga, C.-W. Liu, B.-Y. Wu, Gil-Ho Kim, L.-H. Lin, Y. Ochiai, K. Watanabe, T. Taniguchi, C.-T. Liang and N. Aoki: Hot carriers in CVD-grown graphene device with a top h-BN layer, Journal of Nanomaterials, 2018, 1-7 (2018). https://doi.org/10.1155/2018/5174103.
  2. Chiashain Chuang, C.-T. Liang, Gil-Ho Kim, R.E. Elmquist, Y. Yang, Y.P. Hsieh, Dinesh K. Patel, K. Watanabe, T. Taniguchi, and N. Aoki: Large, non-saturating magnetoresistance in single layer chemical vapor deposition graphene with an h-BN capping layer, Carbon, 136, p.211-216 (2018). https://doi.org/10.1016/j.carbon.2018.04.067
  3. Jubin Nathawat, Miao Zhao, Chun-Pui Kwan, Harihara Ramamoorthy, Guanchen He, Ratchanok Somphonsane, Naoki Matsumoto, Kohei Sakanashi, Michio Kida, Nobuyuki Aoki, Zhi Jin, Yunseob Kim, Gil-Ho Kim, Kenji Watanabe, Takashi Taniguchi, Jonathan P. Bird: Transient Response of h-BN-Encapsulated Graphene Transistors: Signatures of Self-Heating and Hot-Carrier Trapping, ACS Omega, 4, 4082-4090 (2019).

2017年

  1. Naoki Matsumoto, Masaaki Mineharu, Masahiro Matsunaga, Chiashain Chuang, Yuichi Ochiai, Kenichi Oto, Gil-Ho Kim, Kenji Watanabe, Takashi Taniguchi, David K Ferry, Carlo R da Cunha and Nobuyuki Aoki: Shubnikov–de Haas measurements on a high mobility monolayer graphene flake sandwiched between boron nitride sheets, J. Phys.: Condens. Matter 29, 225301-1-6 (2017). Published 28 April 2017 doi:10.1088/1361-648X/aa6d36
  2. 松永正広，青木伸之：二硫化モリブデン電界効果トランジスタに対する電子線リソグラフィの影響, Jasco Report, 59, 13 (2017)

2016年

  1. S. Xiao, Y. Yoon, Y.-H. Lee, J. P. Bird, Y. Ochiai, N. Aoki, J. L. Reno, and J. Fransson: Detecting weak coupling in mesoscopic systems with a nonequilibrium Fano resonance, Phys. Rev. B 93, 165435 (13pp), (2016). Published 25 April 2016, http://dx.doi.org/10.1103/PhysRevB.93.165435
  2. C. R. da Cunha, M. Mineharu, M. Matsunaga, N. Matsumoto, C. Chuang, Y. Ochiai, G.-H. Kim, K. Watanabe, T. Taniguchi, D. K. Ferry, and N. Aoki: Conductance fluctuations in high　mobility monolayer graphene: Nonergodicity, lack of determinism and chaotic behavior, Scientific Reports 6, 33118 (2016). Published: 09 September 2016, DOI: 10.1038/srep33118
  3. He, H. Ramamoorthy, C.-P. Kwan, Y.-H. Lee, J. Nathawat, R. Somphonsane, M. Matsunaga, A. Higuchi, T. Yamanaka, N. Aoki, Y. Gong, X. Zhang, R. Vajtai, P. M. Ajayan, and J. P. Bird: Thermally Assisted Nonvolatile Memory in Monolayer MoS2 Transistors, Nano Letters16, 6445-1-7 (2016). Publication Date: September 26, 2016 DOI: 10.1021/acs.nanolett.6b02905
  4. Masahiro Matsunaga, Ayaka Higuchi, Guanchen He, Tetsushi Yamada, Peter Krüger, Yuichi Ochiai, Yonji Gong, Robert Vajtai, Pulickel M. Ajayan, Jonathan P. Bird, and Nobuyuki Aoki1: Nanoscale-Barrier Formation Induced by Low-Dose Electron-Beam Exposure in Ultrathin MoS2 Transistors, ACS Nano10, 9730-1-8 (2016). DOI: 10.1021/acsnano.6b05952

2015年

  1. Shaohua Xiang, Kazuhiro Fuji, ShintaroSato, Shiran Xiao, Jonathan P. Bird, Nobuyuki Aoki and Yuichi Ochiai: Metal-Insulator Transition in the Quasi-One-Dimensional Transport of Fractional Quantum Hall States, J. Phys.: Condens. Matter27, 202201 (6pp) (2015). Published on 28 Apr. 2015
  2. Servin Rathi, Inyeal Lee, Dongsuk Lim, Jianwei Wang, Yuichi Ochiai, Nobuyuki Aoki, Kenji Watanabe, Takashi Taniguchi, Gwan-Hyoung Lee, Young-Jun Yu, Philip Kim, and Gil-Ho Kim: Tunable Electrical and Optical Characteristics in Monolayer Graphene and Few-Layer MoS2 Heterostructure Devices, Nano Lett. 15, 5017-5024 (2015). Published on 19 Jun. 2015
  3. G. He, K. Ghosh, U. Singisetti, H. Ramamoorthy, R. Somphonsane, G. Bohra, M. Matsunaga, A. Higuchi, N. Aoki, S. Najmaei, Y. Gong, X. Zhang, R. Vajtai, P. M. Ajayan, and J. P. Bird: Conduction Mechanisms in CVD-Grown Monolayer MoS2 Transistors: From Variable-Range Hopping to Velocity Saturation, Nano Lett. 15, 5052-5058 (2015). Published on 29 Jun. 2015
  4. Lijun Li, Inyeal Lee, Dongsuk Lim, Moonshik Kang, Gil-Ho Kim, Nobuyuki Aoki, Yuichi Ochiai, Kenji Watanabe and Takashi Taniguchi: Raman shift and electrical properties of MoS2 bilayer on boron nitride substrate, Nanotechnology 26, 295702 (6pp) (2015). Published on 2 Jul. 2015
  5. Akram M. Mahjoub, Shinichi Suzuki, Takahiro Ouchi, Nobuyuki Aoki, Katsuhiko Miyamoto, Tomohiro Yamaguchi, Takashige Omatsu, Koji Ishibashi, and Yuichi Ochiai: Terahertz bolometric detection by thermal noise in graphene field effect transistor, Appl. Physics Lett.107, 083506 (4pp) (2015). published online 27 August 2015
  6. C. Chuang, M. Matsunaga, F-H. Liu, T-P. Woo, N. Aoki, L-H. Lin, B-Y. Wu, Y. Ochiai and C-T. Liang: Probing weak localization in chemical vapor deposition graphene wide constriction using scanning gate microscopy, Nanotechnology27, 075601 (7pp), (2016). Published 14 January 2016, doi:10.1088/0957-4484/27/7/075601
  7. Chieh-I Liu, Pengjie Wang, Jian Mi, Hsin-Yen Lee, Chi Zhang, Xi Lin, Chiashain Chuang, Nobuyuki Aoki, Randolph E. Elmquist, and Chi-Te Liang: Charge Trapping in Monolayer and Multilayer Epitaxial Graphene, Journal of Nanomaterials2016, 7372812 (4pp), (2016) Accepted 10 March 2016. http://dx.doi.org/10.1155/2016/7372812
  8. Chiashain Chuang, Masahiro Matsunaga, Fan-Hung Liu, Tak-Pong Woo, Li-Hung Lin, Kenichi Oto, Yuichi Ochiai, Chi-Te Liang and Nobuyuki Aoki: Imaging coherent transport in chemical vapor deposition graphene wide constriction by scanning gate microscopy, Appl. Phys. Lett.108, 123105 (4pp), (2016). Published online 23 March 2016, http://dx.doi.org/10.1063/1.4944637

2014年

  1. N. Aoki, C. R. da Cunha, R. Akis, D. K. Ferry and Y. Ochiai: Scanning gate imaging of a disordered quantum point contact, J. Phys.: Condens. Matter 26, 193202 (13pp) (2014)
  2. H. Ramamoorthy, R. Somphonsane, G. He, N. Aoki, Y. Ochiai, D. K. Ferry, and J. P. Bird : Reversing hot-carrier energy relaxation in graphene with a magnetic field, Appl. Phys. Lett. 104, 193115 (2014)
  3. Chiashain Chuang, Tak-Pong Woo, Akram. Mahjoub, Takahiro Ouchi, Chang-Shun Hsu, Chia-Pei Chin, Nobuyuki Aoki, Li-Hung Lin, Yuichi Ochiai, and Chi-Te Liang: Weak localization and universal conductance fluctuations in multi-layer grapheme, Current Applied Physics 14, 108 (2014)
  4. Chiashain Chuang, Tak-Pong Woo, Akram M. Mahjoub, Takahiro Ouchi, Chang-Shun Hsu, Chia-Pei Chin, Nobuyuki Aoki, Li-Hung Lin, Yuichi Ochiai, and Chi-Te Liang: Current scaling and Dirac fermion heating in multi-layer grapheme, Journal of Nanoscience and Nanotechnology 14, 1 (2015)

2013年

  1. Chiashain Chuang, Li-Hung Lin, Nobuyuki Aoki, Takahiro Ouchi, Akram M Mahjoub, Tak-Pong Woo, Jonathan P Bird, Yuichi Ochiai, Shun-Tsung Lo and Chi-Te Liang: Nanoscale Research Letters 8, p.214-1-5, 2013. Published: 6 May 2013
  2. Chiashain Chuang, Li-Hung Lin, Nobuyuki Aoki, Takahiro Ouchi, Akram M. Mahjoub, Tak-Pong Woo, Reuben K. Puddy, Yuichi Ochiai, C. G. Smith, and Chi-Te Liang: Mesoscopic conductance fluctuations in multi-layer graphene, Appl. Phys. Lett. 103, p.043117-1-4 (2013). Published online 25 July 2013
  3. R. Somphonsane, H. Ramamoorthy, G. Bohra, G. He, D. K. Ferry, Y. Ochiai, N. Aoki, and J. P. Bird: Fast Energy Relaxation of Hot Carriers Near the Dirac Point of Graphene, Nano Letters 13, p.4305−4310, 2013. Published August 21, 2013
  4. Xiaojun Wei, Masahiro Matsunaga, Tatsurou Yahagi, Kenji Maeda, Jonathan P. Bird, Koji Ishibashi, Yuichi Ochiai and Nobuyuki Aoki: Difference of operation mechanisms in SWNTs network FETs studied via scanning gate microscopy, AIP Conf. Proc. 125, 1566 (2013). Published on 04 December 2013
  5. J. Fransson, M.-G. Kang, Y. Yoon, S. Xiao, Y. Ochiai, J. L. Reno, N. Aoki, and J. P. Bird: Tuning the Fano resonance with an intruder continuum, Nano Lett. 14, 788-793 (2014). Published on 24 Jan. 2014
  6. S Xiang, S Xiao, K Fuji, K Shibuya, T Endo, N Yumoto, T Morimoto, N Aoki, J P Bird and Y Ochiai: On the zero-bias anomaly and Kondo physics in quantum point contacts near pinch-off; J. Phys.: Cond. Matt. 26, 125304 (2014)

2012年

  1. M. S. Choi, D. J. Lee, S. J. Lee, D. H. Hwang, J. H. Lee, N. Aoki, Y. Ochiai, H.-J. Kim, D. Whang, S. Kim, and S. W. Hwang: Gate-dependent photoconductivity of single layer graphene grafted with metalloporphyrin molecules, Appl. Phys. Lett.100, p.163116-1-4 (2012). Published 16 April 2012
  2. Xiaojun Wei, Nobuyuki Aoki, Tatsurou Yahagi, Kenji Maeda, Jonathan P. Bird, Koji Ishibashi, and Yuichi Ochiai: Analysis of Operation Mechanism of Field Effect Transistor Composed of Network of High-Quality Single Wall Carbon Nanotubes by Scanning Gate Microscopy, Jpn. J. Appl. Phys. 51, p.04DN05-1-4 (2012). Published online: 20 April 2012
  3. Y. Yoon, M.-G. Kang, T. Morimoto, M. Kida, N. Aoki, J. L. Reno, Y. Ochiai, L. Mourokh, J. Fransson, and J. P. Bird: Coupling Quantum States through a Continuum: A Mesoscopic Multistate Fano Resonance, Phys. Rev. X 2, p.021003-1-13 (2012). Pblished 26 April 2012
  4. S. Xiao, S. Xiang, Y. Yoon, M.-G. Kang, M. Kida, N.Aoki, J. L. Reno, Y. Ochiai, L. Mourokh, J. Fransson, and J. P. Bird: Talking through the continuum: New manifestations of Fano-resonance phenomenology realized with mesoscopic nanostructures, Progress of Physics, p.1-12, (2012). Published 6 June 2012
  5. Kohei Toyoda, Katsuhiko Miyamoto, Nobuyuki Aoki, Ryuji Morita, and Takashige Omatsu: Using Optical Vortex To Control the Chirality of Twisted Metal Nanostructures, Nano Letters 12, p.3645−3649, 2012. Published online 12 June 2012
  6. G. Bohra, R. Somphonsane, N. Aoki, Y. Ochiai, D. K. Ferry and J. P. Bird: Robust Mesoscopic Fluctuations in Disordered Graphene, Appl. Phys. Lett. 101, p.093110-1-4 (2012). Published online 31 Aug. 2012
  7. Z. Chen, T.-Y. Lin, X. Wei, M. Matsunaga, T. Doi, Y. Ochiai, N. Aoki, and J. P. Bird, The magnetic Y-branch nanojunction: Domain-wall structure and magneto-resistance, Appl. Phys. Lett. 101, p.102403-1-4 (2012). Published online 4 September 2012.
  8. G. Bohra, R. Somphonsane, N. Aoki, Y. Ochiai, R. Akis, D. K. Ferry, and J. P. Bird, Nonergodicity and microscopic symmetry breaking of the conductance fluctuations in disordered mesoscopic graphene, Phys. Rev. B 86, p.161405(R)-1-5 (2012). Published 15 October 2012.
  9. Takuya Tokuda, Katsuyuki Murashiro, Minako Kubo, Hyuma Masu, Mamoru Imanari, Hiroko Seki, Nobuyuki Aoki, Yuichi Ochiai, Hirofumi Kanoh, and Katsuyoshi Hoshino: Preparation and Characterization of Conducting Mixed-Valence 9,9’-Dimethyl-3,3’-bicarbazyl Rectangular Nanowires, Langmuir 28, p.16430−16435, 2012. Published: October 29, 2012
  10. 青木伸之，落合勇一：走査ゲート顕微法を用いた新規ＦＥＴデバイスのナノスケール局所電気伝導特性評価，応用物理 81，p.1024-1028，(2012)．Published Dec. in 2012.
  11. Akram M. Mahajoub, Alec Nicol, Takuto Abe, Takahiro Ouchi, Yuhei Iso, Micho Kida, Nobuyuki Aoki, Katsuhiro Miyamoto, Takashige Omatsu, Jonathan P. Bird, David K. Ferry, Koji Ishibashi, and Yuichi Ochiai: GR-FET application for high-frequency detection device, Nanoscale Res. Lett. 8, p.22-1-8 (2013). Published 10 Jan. 2013.
  12. Rui Chen, Jungwoo Song, Teng-Yin Lin, Gregory R. Aizin, Yukio Kawano, Nobuyuki Aoki, Yuichi Ochiai, Vincent R. Whiteside, Bruce D. McCombe, David Thomas, Mike Einhorn, John L. Reno, Gottfried Strasser, and Jonathan P. Bird: Terahertz Detection With Nanoscale Semiconductor Rectifiers, IEEE SENSORS JOURNAL 13, p.24 (2013). Published January in 2013.

2011年

  1. N. Aoki, R. Brunner, A. M. Burke, R. Akis, R. Meisels, D. K. Ferry, and Y. Ochiai: Direct Imaging of Electron States in Open Quantum Dots, Phys. Rev. Lett. 108, p.136804-1-5 (2012). Published online: March 30, 2012
  2. N. Aoki, T. Yahagi, K. Maeda and Y. Ochiai: Mechanism of device operation in SWNT-network FET studied via scanning gate microscopy, AIP Conference Proceeding Series (ICPS 2010) 1399, p. 829-830 (2011). Published online: December 2011.
  3. T. Doi, K. Koyama, J. P. Bird, N. Aoki, and Y. Ochiai: Charge carrier behavior in UV irradiated fullerene nano whiskers based on studies of electrical conduction and ESR, AIP Conference Proceeding Series (ICPS 2010) 1399, p. 867-868 (2011). Published online: December 2011
  4. Y. Ochiai, N. Aoki and J. P. Bird: ELECTRONICS DEVICE APPLICATION OF FULLERENE NANOWHISKERS (Chp.15), “FULLERENE NANOWHISKERS”, PAN STANFORD PUBLISHING, 2011. (Ed. by Kun'ichi Miyazawa), (2011/9/30出版)
  5. T. Doi, K. Koyama, N. Aoki, J. P. Bird, and Y. Ochiai: An extinction of the conductive electrons of fullerene nano whisker as the air exposure effect, Transactions of the Materials Research Society of Japan (MRS-J) 36, p.349-353 (2011). Published in September 2011
  6. T. Nagai, N. Aoki, Y. Ochiai, and K. Hoshino: Electric Conductivity-Tunable Transparent Flexible Nanowire-Filled Polymer Composites: Orientation Control of Nanowires in a Magnetic Field, ACS Appl. Mater. Interf. 3, p.2341–2348 (2011).
  7. A. M. Mahjoub, S. Motooka, N. Aoki, J. Song, J. P. Bird, Y. Kawano, D. K. Ferry, K. Ishibashi, and Y. Ochiai: Towards Graphene GHz/THz Nanosensor, Jpn. J. Appl. Phys. 50 p.070119-1-4 (2011). Published online: 20 July 2010

2010年

  1. T. Doi, K. Koyama, Y. Chiba, H. Tsuji, M. Ueno, S.-R. Chen, N. Aoki, J. P. Bird, and Y. Ochiai: Electron Transport Properties in Photo and Supersonic Wave, Irradiated C60 Fullerene Nano-Whisker Field-Effect Transistors, Jpn. J. Appl. Phys. 49, p.04DN12-1-4 (2010). published online April 20, 2010
  2. S. Gotovac-Atlagić, T. Hosokai, T. Ohba, Y. Ochiai, H. Kanoh, N. Ueno, and K. Kaneko: Pseudometallization of single wall carbon nanotube bundles with intercalation of naphthalene, Phys. Rev. B 82, p.075136-1-6, (2010)
  3. J. W. Song, G. R. Aizin, J. Mikalopas, Y. Kawano, K. Ishibashi, N. Aoki, J. L. Reno, Y. Ochiai, and J. P. Bird: Bolometric terahertz detection in pinched-off quantum point contacts, Appl. Phys. Lett. 97, p. 083109-1-3 (2010). published online 26 August 2010
  4. Shun-Tsung Lo, Kuang Yao Chen, T.L. Lin, Li-Hung Lin, Dong-Sheng Luo, Y. Ochiai, N. Aoki, Yi-Ting Wang, Zai Fong Peng, Yiping Lin, J.C. Chen, Sheng-Di Lin, C.F. Huang, C.-T. Liang: Probing the onset of strong localization and electron-electron interactions with the presence of a direct insulator-quantum Hall transition, Solid State Comm. 150, p.1902-1905 (2010). Available online 25 July 2010
  5. Y. Ochiai, S. Motooka, Y. Ujiie, N. Aoki, J. P. Bird and D. K. Ferry: Quantum fluctuations in the low temperature magnetoresistance of bi-layer graphene, J. Phys.: Conf. Ser. 245, p. 012029-1-4 (2010). Published online: 20 September 2010
  6. Chi-Te Liang, Li-Hung Lin, Kuang Yao Chen, Shun-Tsung Lo, Yi-Ting Wang, Dong-Sheng Lou, Gil-Ho Kim, Yuan Huei Chang, Yuichi Ochiai, Nobuyuki Aoki, Jeng-Chung Chen, Yiping Lin, Chun Feng Huang, Sheng-Di Lin, David A Ritchie: On the direct insulator-quantum Hall transition in two-dimensional electron systems in the vicinityof nanoscaled scatterers, Nanoscale Res. Lett. 6, p. 131-138, (2011). Published online: 24 February 2010

2009年

  1. Y. Ujiie, S. Motooka, T. Morimoto, N. Aoki, D. K. Ferry, J. P. Bird, and Y. Ochiai: Regular conductance fluctuations indicative of quasi-ballistic transport in bilayer grapheme, J. Phys.: Cond. Matt. 21, pp. 382202-1-4 (2009).
  2. Y. Yoon, M.-G. Kang, P. Ivanushkin, L. Mourokh, T. Morimoto, N. Aoki, J. L. Reno, Y. Ochiai, and J. P. Bird: Nonlocal bias spectroscopy of the self-consistent bound state in quantum point contacts near pinch off, Appl. Phys. Lett. 94, pp.213103-1-3 (2009).
  3. J. Song, Y. Kawano, K. Ishibashi, J. Mikalopas, G. R. Aizin, N. Aoki, J. L. Reno, Y. Ochiai, and J. P. Bird: Current-voltage spectroscopy of the subband structure of strongly pinched-off quantum point contacts, Appl. Phys. Lett. 95, pp.233115-1-3 (2009).
  4. J. Song, G. Aizin, Y. Kawano, K. Ishibashi, N. Aoki, Y. Ochiai, J. L. Reno, and J. P. Bird: Evaluating the performance of quantum point contacts as nanoscale terahertz sensors, Opt. Expr. 18, pp.4609-1-6 (2009).
  5. Y. Ochiai, K. Ogawa, N. Aoki, and J. P. Bird: Field-effect-transistor characteristics of solvate C60 fullerene nanowhiskers, J. Phys.: Conf. Ser. 159, pp.012004-1-5 (2009)
  6. N. Aoki, Y. Chiba, S-R. Chen, H. Tsuji, M. Ueno, K. Ogawa, J. P. Bird, and Y. Ochiai: Carrier injection property of C60 thin film transistor via displacement current measurement, J. Phys.: Conf. Ser. 159, pp.012014-1-5 (2009)
  7. Y. Chiba, S-R. Chen, H. Tsuji, M. Ueno, N. Aoki, and Y. Ochiai: Electronic transport properties of photo-irradiated C60, J. Phys.: Conf. Ser. 159, pp.012017-1-4 (2009).
  8. K-Y. Chen, C-T. Liang, N. Aoki, Y. Ochiai, K-A. Cheng, L-H. Lin, C-F. Huang, Y-R. Li, Y-S. Tseng, C-K. Yang, P-T. Lin, J-Y. Wu, and S-D. Lin: Probing Insulator-quantum Hall Transitions by Current Heating, J. Korean Phys. Soc. 55, pp. 64-67 (2009)
  9. K-Y. Chen, C-K. Yang, C-T. Liang, N. Aoki, Y. Ochiai, Y. Ujiie, K-A. Cheng, L-H. Lin, C-F. Huang, Y-R. Li, Y-S. Tseng, P-T. Lin, J-Y. Wu, and S-D. Lin: Enhanced Phase Relaxation in a Hybrid Ferromagnet/Semiconductor System, J. Korean Phys. Soc. 55, pp. 173-176 (2009).

2008年

  1. N. Aoki, K. Sudou, K. Matsusaki, K. Okamoto, and Y. Ochiai: Scanning gate study of organic thin-film field-effect transistor, J. Phys: Conf. Series, 109, pp.102007-1-4 (2008)
  2. T. Kawamura, T. Hatori, Y. Nakamura, N. Aoki, J. P. Bird, and Y. Ochiai: Magneto-resistance peaks and phase breaking behaviour in a thin multi-walled carbon nanotube, J. Phys: Conf. Series, 109, pp.102018-1-4 (2008)
  3. Y. Ujiie, N. Yumoto, T. Morimoto, N. Aoki, and Y Ochiai: Fractal behaviour in graphene open quantum dot, J. Phys: Conf. Series, 109, pp.102035-1-4 (2008)
  4. K-Y. Chen, Y-H. Chang, C-T. Liang, N. Aoki, Y. Ochiai, C-F. Huang, L-H. Lin, K-A. Cheng, H-H. Cheng, H-H. Lin, J-Y. Wu, and S-D. Lin: Probing Landau quantization with the presence of insulator–quantum Hall transition in a GaAs two-dimensional electron system, J. Phys.: Cond. Matt.20, pp. 295223-1-5 (2008)
  5. A. M. Burke, N. Aoki, R. Akis, Y. Ochiai, and D. K. Ferry: Imaging classical and quantum structures in an open quantum dot using scanning gate microscopy, J. Vac. Sci. Technol. B 26 pp.1488-1491 (2008)
  6. Y. Yoon, M.-G. Kang, T. Morimoto, L. Mourokh, N. Aoki, J. L. Reno, J. P. Bird, and Y. Ochiai: Detector backaction on the self-consistent bound state in quantum point contacts, Phys. Rev. B 79, pp. 121304(R)-1-4 (2009)
  7. N. Aoki, K. Matsusaki, K. Sudou, and Y. Ochiai: Visualization of bias-dependent potential barriers using scanning gate microscopy in copper-phthalocyanine field-effect transistor, J. Vac. Sci. Technol. B 27 pp.785-788 (2009)
  8. N. Aoki, A. M. Burke, R. Akis, Y. Ochiai, and D. K. Ferry: Observation of open quantum dot via low temperature scanning gate microscopy, J. Phys.: Conf. Ser. 150, pp.022002-1-4 (2009).

2007年

  1. T. Morimoto, N. Yumoto, Y. Ujiie, N. Aoki, J. P. Bird and Y. Ochiai: Phenomenological investigation of many-body induced modifications to the one-dimensional density of states of long quantum wires, J. Phys.: Cond. Matt., 20, pp.164209-1-9 (2008).
  2. M.-G. Kang, T. Morimoto, N. Aoki, J.-U. Bae, Y. Ochiai, and J. P. Bird: Aharonov-Bohm effect in the magnetoresistance of a multiwalled carbon nanotube with tunneling contacts, Phys. Rev. B, 77, pp.113408-1-4 (2008).
  3. N. Aoki, K. Sudou, K. Okamoto, J. P. Bird and Y. Ochiai: Scanning gate microscopy of copper phthalocyanine field effect transistors, Appl. Phys. Lett, 91, pp.192113-1-3 (2007).
  4. Y. Yoon, L. Mourokh, T. Morimoto, N. Aoki, Y. Ochiai, J. L. Reno, and J. P. Bird: Probing the Microscopic Structure of Bound States in Quantum Point Contacts, Phys. Rev. Lett., 99, pp.136805-1-4 (2007).
  5. Y. Ochiai, Y. Ujiie, N. Yumoto, S. Harada, T. Morimoto, N. Aoki, J. P. Bird, and D. K. Ferry: Chaotic Behavior in the Magneto-Resistance of Quantum Dot and Quantum Point Contact, Prog. Theor. Phys. Suppl,166, pp.127-135 (2007).
  6. K. Ogawa, N. Aoki, K. Miyazawa, S. Nakamura, T. Mashino, J. P. Bird, and Y. Ochiai: C60 NW-FET Application for Nano-Electronics, Jpn. J. Appl. Phys., 47, pp. 501-504 (2008).
  7. Y. Yoon, T. Morimoto, L. Mourokh, N. Aoki, Y. Ochiai, J. L. Reno, and J. P. Bird: Detecting Bound Spins Using Coupled Quantum Point Contacts, J. Phys.: Cond. Matt., 20, pp.164216-1-9 (2008).

2006年

  1. 青木伸之，落合勇一：走査ゲート顕微法によるInGaAs量子ポイントコンタクトの観察，固体物理，42，pp.9-18，(2007)
  2. C.R. da Cunha, N. Aoki, T. Morimoto, R. Akis, D.K. Ferry, and Y. Ochiai: Imaging of quantum interference patterns within a quantum point contact, Appl. Phys. Lett., 89, pp.242109-1-3 (2006)
  3. H. Nakazawa, Y. Ito, E. Matsumoto, K. Adachi, N. Aoki, and Y. Ochiai: The electronic properties of amorphous and crystallized In2O3 films, Jour. of Appl. Phys., 100, pp.093706-1-8 (2006)
  4. T. Morimoto, M. Henmi, R. Naito, K. Tsubaki, N. Aoki, J. P. Bird, and Y. Ochiai: Resonantly Enhanced Nonlinear Conductance in Long Quantum Point Contacts near Pinch-Off, Phys. Rev. Lett., 97, pp.096801-1-4 (2006)
  5. C. R. da Cunha, N. Aoki, R. Akis, D. K. Ferry, and Y. Ochiai: Imaging of quantum interference patterns within a quantum point contact, Physica E, 34, pp.682-685 (2006)
  6. T. Morimoto, M. Hemmi, R. Naito, N. Aoki, J.P. Bird, and Y. Ochiai: The influence of Coulomb interaction in quantum point contacts, Physica E, 34, pp.557-559 (2006).
  7. K. Ogawa, T. Kato, A. Ikegami, H. Tsuji, N. Aoki, Y. Ochiai, J. P. Bird: Electrical properties of field-effect transistors based on C60 nanowhiskers, Appl. Phys. Lett., 88, pp.112109-1-3 (2006).
  8. K. Urita, S. Seki, S. Utsumi, D. Noguchi, H. Kanoh, H. Tanaka, Y. Hattori, Y. Ochiai, N. Aoki, M. Yudasaka, S. Iijima, and K. Kaneko: Effects of gas adsorption on the electrical conductivity of single-wall carbon nanohorns, Nano Lett., 6, 1325 (2006).
  9. N. Aoki, C.R. da Cunha, R. Akis, and D.K. Ferry, and Y. Ochiai: Scanning gate microscopy investigations on an InGaAs quantum point contact, Appl. Phys. Lett., 87, pp.223501-1-3 (2005)
  10. N. Aoki, C.R. da Cunha, R. Akis, D.K. Ferry, and Y. Ochiai: Imaging of integer quantum Hall edge state in a quantum point contact via scanning gate microscopy, Phys. Rev. B, 72, pp.155327-1-4 (2005)

2005年以前の主要論文

  1. K .Horiuchi, S. Uchino, S. Hashii, A. Hashimoto, T. Kato, T. Sasaki, N. Aoki, and Y. Ochiai: Variable range hopping in a C60 field-effect transistor, Appl. Phys. Lett., 85, pp.1987-1989 (2004).
  2. A. Shailos, Y. Ochiai, T. Morimoto, Y. Iwase, N. Aoki, T. Sasaki, J.P. Bird, M.P. Lilly, J.L. Reno, and J.A. Shimmons: Coupled quantum wires as a detector of many-body states below the last conductance plateau, Semicond. Sci. Technol., 19, pp.S405-S408 (2004)
  3. J.P. Bird, and Y. Ochiai: Electron Spin Polarization in Nanoscale Constrictions, Science, 303, pp.1621-1622 (2004).
  4. J.-F. Song, Y. Ochiai, and J.P. Bird: Fano resonances in open quantum dots and their application as spin filters, Appl. Phys. Lett., 82, pp.4561-4563 (2003).
  5. N. Aoki, D. Oonishi, Y. Iwase, Y. Ochiai, K. Ishibashi, Y. Aoyagi, and J. P. Bird: Influence of interdot coupling on electron-wave interference in an open quantum-dot molecule, Appl. Phys. Lett., 80, pp.2970-2972 (2002).
  6. K.Horiuchi, K.Nakada, S.Uchino, S.Hashii, A.Hashimoto, N.Aoki, Y.Ochiai, and M.Shimizu: Passivation effects of alumina insulating layer on C60 thin-film field-effect transistors, Appl. Phys. Lett., 81, pp.1911-1912 (2002).
  7. A. Shailos, J. P. Bird, C. Prasad, M. ElHassan, L. Shifren, D. K. Ferry, L. -H. Lin, N. Aoki, K. Nakao, Y. Ochiai, K. Ishibashi, and Y. Aoyagi: Confinement-induced enhancement of electron-electron interactions in open quantum-dot array, Phys. Rev. B, 63, pp.241302-1-4 (2001).
  8. M. ElHassan, J. P. Bird, A. Shailos, C. Prasad, R. Akis, D. K. Ferry, Y. Takagaki, L. -H. Lin, N. Aoki, Y. Ochiai, K. Ishibashi, and Y. Aoyagi: Coupling-driven transport from multiple to single-dot interference in open quantum-dot arrays, Phys. Rev. B, 64, pp.085325-1-7 (2001).
  9. Y. Takagaki, M. ElHassan, A. Shailos, C. Prasad, J.P. Bird, D.K. Ferry, K.H. Ploog, L.-H. Lin, N. Aoki and Y. Ochiai: Magnetic-field-controlled electron dynamics in quantum cavities, Phys. Rev. B, 62, pp.10255-10259 (2000).
  10. J.P. Bird, A. Shailos, M. ElHassan, C. Prasad, D.K. Ferry, L.-H. Lin, N. Aoki, Y. Ochiai, K. Ishibashi and Y. Aoyagi: Signatures of coherent electron transport in open quantum dot array, Nanotechnology, 11, pp.365-369 (2000).

etc...