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WATANABE Kentaro|Shinshu University Researcher List

WATANABE Kentaro

Academic Assembly School of Science and Technology Institute of Textile Science and Technology

Faculty of Textile Science and Technology Division of Machinery and Robotics 

Associate Professor 

Degree

  • Ph.D. in Engineering, University of Tokyo

Research Keyword

    Cathodoluminescence (CL), Crystal Growth, Electron Beam Induced Current (EBIC), In-situ measurements, Lithography, Nanospectroscopy, Semiconductor Nanocrystal, Silicon (Si), Transition Metal Dichalcogenides (TMDs), Zinc Oxide (ZnO)

Field Of Study

  • Nanomaterials, Nanomaterials
  • Nanostructural physics, Nanostructure physics
  • Crystal engineering, Crystal engineering
  • Applied physical properties, Applied materials
  • Thin film/surface and interfacial physical properties, Thin-film surfaces and interfaces

Career

  • 2020
    Shinshu University Faculty of Textile Science and Technology Division of Machinery and Robotics Associate Professor
  • 2019 - 2020
    National Institute for Materials Science (NIMS) Center for Materials Research by Information Integration, Materials Data Science Group NIMS Invited Researcher
  • 2018 - 2020
    Tohoku University Advanced Institute for Materials Research, Non-equilibrium Materials Group Associate Professor
  • 2015 - 2018
    Osaka University Graduate School of Engineering Science, Department of Systems Innovation Division of Mathematical Science
  • 2012 - 2018
    National Institute for Materials Science (NIMS), International Center for Materials Nanoachitectonics (MANA), Guest Researcher
  • 2012 - 2015
    University of Tsukuba, Graduate School of Pure and Applied Sciences, Postdoctoral Researcher
  • 2010 - 2012
    National Institute for Materials Science (NIMS), International Center for Materials Nanoachitectonics (MANA), NIMS Posdoctoral Researcher

Educational Background

  • 2006 - 2010, University of Tokyo, Graduate School of Engineering, Department of Applied Physics
  • 2004 - 2006, University of Tokyo, Graduate School of Engineering, Department of Applied Physics
  • 2000 - 2004, Tokyo Institute of Technology, Faculty of Science, Department of Physics
  • 1994 - 2000, Kaisei Junior & Senior High School

Member History

  • 2018
    Committee Member, JSAP Professional Group, Phonon Engineering Group
  • 2017
    Program Committee Member (Area 11 Advanced Materials: Synthesis / Crystal Growth / Characterization), SSDM (International Conference on Solid State Devices and Materials)

Award

  • 2023
    The Japan Society of Mechanical Engineers, Miura Award
    Student presentation award for master thesis in my research group
  • 2023
    Faculty of Textile Science and Technology, Shinshu University, Harizuka Award
    Student presentation award for graduate thesis in my research group
  • 2021
    Faculty of Textile Science and Technology, Harizuka Award
    Student presentation award for graduate thesis in my research group
  • 2020
    Japan Society of Applied Physics, Thin Film and Surface Physics Division, JSAP Thin Film and Surface Physics Division, Paper Award
  • 2019
    CRDAM, Institute for Materials Research (IMR), Tohoku University, Best Collaborative Research Award, IMR, Tohoku University
  • 2016
    The Japan Society of Applied Physics, JSAP Poster Award
  • 2013
    ACSIN12/ICSPM-21, ACSIN12/ICSPM-21 Best Poster Award
  • 2013
    The Japan Society of Applied Physics, JSAP Poster Award
  • 2012
    7th International Workshop on Nano-Scale Spectroscopy & Nanotechnology (NSS-7), NSS-7 Best Poster Award

Paper

  • Nanospectroscopic Investigation of Individual Free-standing Semiconductor Nanocrystals Using In-situ Nanoprobe-Cathodoluminescence Technique
    Kentaro Watanabe
    The Paper of Technical Meeting on Electronic Materials (22-23 Nov. 2023), EFM23004, 19 Nov. 2023, Invited
    Lead, Last, Corresponding
  • Bulk diffusion regulated nanopore formation during vapor phase dealloying of a Zn-Cu alloy
    Yanjie Xia, Zhen Lu, Jiuhui Han, Fan Zhang, Daixiu Wei, Kentaro Watanabe, Mingwei Chen
    Acta Materialia, 238, 118210, 01 Oct. 2022, Refereed, Not invited電子ジャーナル
  • Vapor Phase Dealloying Kinetics of MnZn Alloys
    Zhen Lu, Fan Zhang, Daixiu Wei, Jiuhui Han, Yanjie Xia, Jing Jiang, Mingwang Zhong; Akihiko Hirata, Kentaro Watanabe, Alain Karma, Jonah Erlebacher, Mingwei Chen
    Acta Materialia, 212, 116916, 15 Jun. 2021, Refereed電子ジャーナル
  • 3D Bimodal Porous Amorphous Carbon with Self-Similar Porosity by Low-Temperature Sequential Chemical Dealloying
    Jiuhui Han, Hongping Li, Zhen Lu, Gang Huang, Isaac Johnson, Kentaro Watanabe, Mingwei Chen
    CHEMISTRY OF MATERIALS, 33(3), 1013-1021, 01 Feb. 2021, Refereed電子ジャーナル
  • Spin-orbit torque generated by a ferromagnet / a metallic glass bilayer
    Satoshi Iihama, Yuya Koike, Zhen Lu, Kentaro Watanabe, Mingwei Chen, Shigemi Mizukami
    APPLIED PHYSICS EXPRESS, 13(5), 053002, 20 Apr. 2020, Refereed電子ジャーナル
  • Ultrastable Silicon Anode by Three-Dimensional Nanoarchitecture Design
    Gang Huang, Jiuhui Han, Zhen Lu, Daixiu Wei, Hamzeh Kashani, Kentaro Watanabe, Mingwei Chen
    ACS Nano, 14(4), 4374-4382, 18 Mar. 2020, Refereed電子ジャーナル
  • The interaction of deformation twins with long-period stacking ordered precipitates in a magnesium alloy subjected to shock loading
    Fan Zhang, Yu Ren, Zhiqing Yang, Huhu Su, Zhen Lu, Chengwen Tan, Hailong Peng, Kentaro Watanabe, Bin Li, Matthew R Barnett, Mingwei Chen
    Acta Materialia, 188, 203-214, 05 Feb. 2020, Refereed電子ジャーナル
  • Methodology of Thermoelectric Power Factor Enhancement by Nanoscale Thermal Management in Bulk SiGe Composites
    Shunya Sakane, Takafumi Ishibe, Masato Kashino, Kentaro Watanabe, Takeshi Fujita, Yoshinari Kamakura, Nobuya Mori, Yoshiaki Nakamura
    ACS Applied Energy Materials, 3, 1235-1241, 30 Dec. 2019, Refereed電子ジャーナル
  • リチウム空気電池における反応中のダイナミクス観察
    韓 久慧, 渡辺 健太郎, 陳 明偉
    「リチウムイオン電池の分析、解析と評価技術 事例集」, 第7章(第1節), 453-464, 29 Nov. 2019, Invited
  • Bottom-up on surface synthesis of two-dimensional Graphene nanoribbon networks and their thermoelectric properties
    Takahiro Kojima, Takahiro Nakae, Zhen Xu, Chinnusamy Saravanan, Kentaro Watanabe, Yoshiaki Nakamura, Hiroshi Sakaguchi
    Chemistry - An Asian Journal, 14, 4400-4407, 14 Nov. 2019, Refereed電子ジャーナル
  • Three-Dimensional Nanoporous Co9S4P4 Pentlandite as a Bifunctional Electrocatalyst for Overall Neutral Water Splitting
    Tan Yongwen, Luo Min, Liu Pan, Cheng Chun, Han Jiuhui, Watanabe Kentaro, Chen Mingwei
    ACS Applied Materials and Interfaces, 11(4), 3880-3888, 07 Jan. 2019, Refereed電子ジャーナル
  • Vapor phase dealloying: a versatile approach for fabricating 3D nanoporous materials
    Han Jiuhui, Li Cheng, Lu Zhen, Wang Hao, Wang Zhili, Watanabe Kentaro, Chen Mingwei
    Acta Materialia, 163, 161-172, Jan. 2019, Refereed電子ジャーナル
  • Enhanced thermoelectric performance of Ga-doped ZnO film by controlling crystal quality for transparent thermoelectric films
    Atsuki Tomeda, Takafumi Ishibe, Tatsuhiko Taniguchi, Ryo Okuhata, Kentaro Watanabe, Yoshiaki Nakamura
    Thin Solid Films, 666, 185-190, 30 Nov. 2018, Refereed電子ジャーナル
  • Lithiophilic 3D nanoporous nitrogen-doped graphene for dendrite-free and ultrahigh-rate lithium metal anodes
    Huang Gang, Han Jiuhui, Zhang Fan, Wang Ziqian, Kashani Hamzeh, Watanabe Kentaro, Chen Mingwei
    ADVANCED MATERIALS, 31(2), 1805334, 06 Nov. 2018, Refereed電子ジャーナル
  • Methodology of thermoelectric power factor enhancement by controlling nanowire interface
    Takafumi Ishibe, Atsuki Tomeda, Kentaro Watanabe, Yoshinari Kamakura, Nobuya Mori, Nobuyasu Naruse, Yutaka Mera, Yuichiro Yamashita, Yoshiaki Nakamura
    ACS Applied Materials and Interfaces, 10(43), 37709-37716, 10 Oct. 2018, Refereed電子ジャーナル
  • Heavily Doped and Highly Conductive Hierarchical Nanoporous Graphene for Electrochemical Hydrogen Production
    Linghan Chen,Jiuhui Han,Yoshikazu Ito,Takeshi Fujita,Gang Huang,Kailong Hu,Akihiko Hirata,Kentaro Watanabe,Mingwei Chen
    Angewandte Chemie International Edition, 57(40), 13302-13307, 24 Aug. 2018, Refereed電子ジャーナル
  • Formation of various epitaxial nanodots in Si films for thermoelectric materials
    Sakane Shunya, Watanabe Kentaro, Fujita Takeshi, Naruse Nobuyasu, Nakamura Yoshiaki
    Journal of Physics: Conference Series, 1052, 012135, 26 Jul. 2018, Refereed電子ジャーナル
  • Thermoelectric performances in transparent ZnO films including nanowires as phonon scatterers
    Takafumi Ishibe, Atsuki Tomeda, Kentaro Watanabe, Yoshiaki Nakamura
    Journal of Physics: Conference Series, 1052, 012126, 26 Jul. 2018, Refereed電子ジャーナル
  • Areal density control of ZnO nanowires in physical vapor transport using Ge nanocrystals
    Takafumi Ishibe, Tatsuhiko Taniguchi, Tsukasa Terada, Atsuki Tomeda, Kentaro Watanabe, Yoshiaki Nakamura
    Japanese Journal of Applied Physics, 57(8S1), 08NB07, 17 Jul. 2018, Refereed電子ジャーナル
  • Growth of epitaxial FeGeγ nanocrystals with incommensurate Nowotny chimney-ladder phase on Si substrate
    Tsukasa Terada, Takafumi Ishibe, Kentaro Watanabe, Yoshiaki Nakamura
    Japanese Journal of Applied Physics, 57(8S1), 08NB01, 28 Jun. 2018, Refereed電子ジャーナル
  • Resistive switching characteristics of isolated core-shell iron oxide / germanium nanocrystals epitaxially grown on Si substrates
    Hideki Matsui, Takafumi Ishibe, Tsukasa Terada, Shunya Sakane, Kentaro Watanabe, Shotaro Takeuchi, Akira Sakai, Shigeru Kimura, Yoshiaki Nakamura
    APPLIED PHYSICS LETTERS, 112(3), 031601, 15 Jan. 2018, Refereed電子ジャーナル
  • Nanostructure design for control of phonon andelectron transports
    Nakamura Yoshiaki, Watanabe Kentaro
    ECS Transactions, 80(1), 93-100, 03 Oct. 2017, Refereed電子ジャーナル
  • Epitaxial multilayers of beta-FeSi2 nanodots/Si for Si-based nanostructured electronic materials
    Shunya Sakane, Masayuki Isogawa, Kentaro Watanabe, Jun Kikkawa, Shotaro Takeuchi, Akira Sakai, Yoshiaki Nakamura
    Journal of Vacuum Science and Technology A, 35(4), 041402, 02 Jun. 2017, Refereed電子ジャーナル
  • Thermoelectric properties of epitaxial beta-FeSi2 thin films/Si(111) and enhancement approach of its thermoelectric performance
    Tatsuhiko Taniguchi, Shunya Sakane, Shunsuke Aoki, Ryo Okuhata, Takafumi Ishibe, Kentaro Watanabe, Takeyuki Suzuki, Takeshi Fujita, Yoshiaki Nakamura
    Journal of Electronic Materials, 46(5), 3235-3241, May 2017, Refereed電子ジャーナル
  • Thermal Conductivity Measurement of Thermoelectric Thin Films by a Versatility-Enhanced 2ω Method
    Ryo Okuhata, Kentaro Watanabe, Satoaki Ikeuchi, Akihiro Ishida, Yoshiaki Nakamura
    Journal of Electronic Materials, 46(5), 3089-3096, May 2017, Refereed電子ジャーナル
  • Embedded-ZnO Nanowire Structure for High-Performance Transparent Thermoelectric Materials
    Takafumi Ishibe, Atsuki Tomeda, Kentaro Watanabe, Jun Kikkawa, Takeshi Fujita, Yoshiaki Nakamura
    Journal of Electronic Materials, 46(5), 3020-3024, May 2017, Refereed電子ジャーナル
  • Thermoelectric properties of epitaxial β-FeSi2 thin films grown on Si(111) substrates with various film qualities
    Kentaro Watanabe, Tatsuhiko Taniguchi, Shunya Sakane, Shunsuke Aoki, Takeyuki Suzuki, Takeshi Fujita, Yoshiaki Nakamura
    Japanese Journal of Applied Physics, 56(5S1), 05DC04, Apr. 2017, Refereed電子ジャーナル
  • Independent control of phonon and electron transport in Si-based nanoarchitectures with epitaxial Ge nanodots
    Watanabe Kentaro,Yamasaka Shuto,Ishibe Takafumi,Sakane Shunya,Sawano Kentarou,Nakamura Yoshiaki
    Proceedings of 1st Asian Conference onThermal Sciences 2017 (ACTS 2017), 1-3, Mar. 2017
  • Effect of Fe coating of nucleation sites on epitaxial growth of Fe oxide nanocrystals on Si substrates
    Takafumi Ishibe, Kentaro Watanabe, Yoshiaki Nakamura
    Japanese Journal of Applied Physics, 55(8S1), 08NB12, 11 Jun. 2016, Refereed電子ジャーナル
  • Epitaxial iron oxide nanocrystals with memory function grown on Si substrates
    Takafumi Ishibe, Hideki Matsui, Kentaro Watanabe, Shotaro Takeuchi, Akira Sakai, Yoshiaki Nakamura
    APPLIED PHYSICS EXPRESS, 9(5), 055508, 25 Apr. 2016, Refereed電子ジャーナル
  • Independent control of electrical and heat conduction by nanostructure designing for Si-based thermoelectric materials
    Shuto Yamasaka, Kentaro Watanabe, Shunya Sakane, Shotaro Takeuchi, Akira Sakai, Kentarou Sawano, Yoshiaki Nakamura
    SCIENTIFIC REPORTS, 6, 28838, Mar. 2016, Refereed電子ジャーナル
  • Arbitrary cross-section SEM-cathodoluminescence imaging of growth sectors and local carrier concentrations within micro-sampled semiconductor nanorods
    Kentaro Watanabe, Takahiro Nagata, Seungjun Oh, Yutaka Wakayama, Takashi Sekiguchi, Janos Volk, Yoshiaki Nakamura
    NATURE COMMUNICATIONS, 7, 10609, 16 Feb. 2016, Refereed電子ジャーナル
  • Fabrication of Carrier-Doped Si Nanoarchitecture for Thermoelectric Material by Ultrathin SiO2 Film Technique
    Tomohiro Ueda, Shunya Sakane, Takafumi Ishibe, Kentaro Watanabe, Shotaro Takeuchi, Akira Sakai, Yoshiaki Nakamura
    Journal of Electronic Materials, 45(3), 1914-1920, 2016, Refereed電子ジャーナル
  • Cross-sectional electric field distributions in BaSi2 homo and BaSi2/Si hetero pn junctions
    Masakazu Baba, Kentaro Watanabe, Kosuke O. Hara, Takashi Sekiguchi, Weijie Du, Ryota Takabe, Kaoru Toko, Noritaka Usami, Takashi Suemasu
    IEEE Xplore Digital Library, 0206-0208, Dec. 2015電子ジャーナル
  • Metamorphic GaAs/GaAsBi Heterostructured Nanowires
    Fumitaro Ishikawa, Yoshihiko Akamatsu, Kentaro Watanabe, Fumihiko Uesugi, Shunsuke Asahina, Uwe Jahn, Satoshi Shimomura
    NANO LETTERS, 15(11), 7265-7272, 26 Oct. 2015, Refereed電子ジャーナル
  • Cathodoluminescence and Photoconductive Characteristics of Single-Crystal Ternary CdS/CdSe/CdS Biaxial Nanobelts
    Linfeng Hu, Jian Yan, Yong Kim, Guangtao Fei, Kentaro Watanabe, Takashi Sekiguchi, Lide Zhang, Xiaosheng Fang
    SMALL, 11(13), 1531-1536, 01 Apr. 2015, Refereed電子ジャーナル
  • Cross-sectional potential profile across a BaSi2 pn junction by Kelvin probe force microscopy
    Daichi Tsukahara, Masakazu Baba, Kentaro Watanabe, Takashi Kimura, Kosuke O. Hara, Weijie Du, Noritaka Usami, Kaoru Toko, Takashi Sekiguchi, Takashi Suemasu
    Japanese Journal of Applied Physics, 54(3), 030306, Mar. 2015, Refereed電子ジャーナル
  • Band-Gap Deformation Potential and Elasticity Limit of Semiconductor Free-Standing Nanorods Characterized in Situ by Scanning Electron Microscope-Cathodoluminescence Nanospectroscopy
    Kentaro Watanabe, Takahiro Nagata, Yutaka Wakayama, Takashi Sekiguchi, Róbert Erdéryi, János Volk
    ACS Nano, 9(3), 2989-3001, 17 Feb. 2015, Refereed電子ジャーナル
  • Grain boundaries characterization of semiconducting BaSi2 thin films on a polycrystalline Si substrate
    Masakazu Baba, Kosuke O. Hara, Kentaro Watanabe, Weijie Du, Daichi Tsukahara, Kaoru Toko, Karolin Jiptner, Takashi Sekiguchi, Noritaka Usami, Takashi Suemasu
    IEEE Xplore Digital Library, 0206-0208, Oct. 2014電子ジャーナル
  • Nonwetting and Optical Properties of Hexagonal Boron Nitride Films
    Amir Pakdel, Chunyi Zhi, Yoshio Bando, Kentaro Watanabe, Takashi Sekiguchi, Tomonobu Nakayama, Dmitri Golberg
    GSTF Digital Library, Sep. 2014電子ジャーナル
  • Cross-sectional observation of stacking faults in 4H-SiC by KOH etching on nonpolar {1-100} face, cathodoluminescence imaging, and transmission electron microscopy
    Yao Yongzhao, Ishikawa Yukari, Sugawara Yoshihiro, Sato Koji, Shirai Takayuki, Danno Katsunori, Suzuki Hiroshi, Sakamoto Hidemitsu, Bessho Takeshi, Dierre Benjamin, Watanabe Kentaro, Sekiguchi Takashi
    Japanese Journal of Applied Physics, 53(8), 081301, Aug. 2014, Refereed電子ジャーナル
  • Si-based new material for high-efficiency thin film solar cells
    Weijie Du, Masakazu Baba, Kaoru Toko, Kosuke O. Hara, Kentaro Watanabe, Takashi Sekiguchi, Noritaka Usami, Takashi Suemasu
    IEEE Xplore Digital Library, 69-72, Jul. 2014電子ジャーナル
  • Analysis of the electrical properties of Cr/n-BaSi2 Schottky junction and n-BaSi2/p-Si heterojunction diodes for solar cell applications
    Weijie Du,Masakazu Baba,Kaoru Toko,Kosuke O. Hara,Kentaro Watanabe,Takashi Sekiguchi,Noritaka Usami,Takashi Suemasu
    JOURNAL OF APPLIED PHYSICS, 115(22), 223701, Jun. 2014, Refereed電子ジャーナル
  • Focused ion beam imaging of defects in multicrystalline Si for photovoltaic application
    Yoshiji Miyamura, Takashi Sekiguchi, Jun Chen, Jianyong Li, Kentaro Watanabe, Kazuhiro Kumagai, Atsushi Ogura
    Acta Physica Polonica A, 125(4), 991-993, Apr. 2014, Refereed電子ジャーナル
  • Local electrical properties of n-AlInAs/i-GaInAs electron channel structures characterized by the probe-electron-beam-induced current technique
    Kentaro Watanabe, Takeshi Nokuo, Jun Chen, Takashi Sekiguchi
    Microscopy, 63(2), 161-166, Apr. 2014, Refereed電子ジャーナル
  • Comparison of slicing-induced damage in hexagonal SiC by wire sawing with loose abrasive, wire sawing with fixed abrasive, and electric discharge machining
    Yukari Ishikawa, Yong-Zhao Yao, Yoshihiro Sugawara, Koji Sato, Yoshihiro Okamoto, Noritaka Hayashi, Benjamin Dierre, Kentaro Watanabe, Takashi Sekiguchi
    Japanese Journal of Applied Physics, 53(7), 071301, Jan. 2014, Refereed電子ジャーナル
  • Evaluation of minority carrier diffusion length of undoped n-BaSi2 epitaxial thin films on Si(001) substrates by electron-beam-induced-current technique
    Masakazu Baba, Kentaro Watanabe, Kosuke O. Hara, Kaoru Toko, Takashi Sekiguchi, Noritaka Usami, Takashi Suemasu
    Japanese Journal of Applied Physics, 53(7), 078004, 2014, Refereed電子ジャーナル
  • Evaluation of potential variations around grain boundaries in BaSi2 epitaxial films by Kelvin probe force microscopy
    Masakazu Baba, Sadahiro Tsurekawa, Kentaro Watanabe, Weijie Du, Kaoru Toko, Kosuke O. Hara, Noritaka Usami, Takashi Sekiguchi, Takashi Suemasu
    APPLIED PHYSICS LETTERS, 103(14), 142113, Oct. 2013, Refereed電子ジャーナル
  • Cathodoluminescence Modulation of ZnS Nanostructures by Morphology, Doping, and Temperature
    Hui Liu, Linfeng Hu, Kentaro Watanabe, Xinhua Hu, Benjamin Dierre, Bongsoo Kim, Takashi Sekiguchi, Xiaosheng Fang
    ADVANCED FUNCTIONAL MATERIALS, 23(29), 3701-3706, Aug. 2013, Refereed電子ジャーナル
  • Conductive optical-fiber STM probe for local excitation and collection of cathodoluminescence at semiconductor surfaces
    Kentaro Watanabe, Yoshiaki Nakamura, Masakazu Ichikawa
    Optics Express, 21(16), 19261-19268, Aug. 2013, Refereed電子ジャーナル
  • High-yield boron nitride nanosheets from 'chemical blowing': towards practical applications in polymer composites
    Wang Xuebin, Pakdel Amir, Zhi Chunyi, Watanabe Kentaro, Sekiguchi Takashi, Golberg Dmitri, Bando Yoshio
    Journal of Physics-Condensed Matter, 24(31), 314205, Jul. 2012, Refereed電子ジャーナル
  • Cross sectional CL study of the growth and annihilation of pit type defects in HVPE grown (0001) thick GaN
    Woong Lee, Hyunjae Lee, Seunghwan Park, Kentaro Watanabe, Kazuhiro Kumagai, Takahumi Yao, Jiho Chang, Takashi Sekiguchi
    Journal of Crystal Growth, 351(1), 83-87, Apr. 2012, Refereed電子ジャーナル
  • Scanning tunneling microscope-based local electroluminescence spectroscopy of p-AlGaAs/i-GaAs/n-AlGaAs double heterostructure
    Watanabe Kentaro, Ichikawa Masakazu, Nakamura Yoshiaki, Kuboya Shigeyuki, Katayama Ryuji, Onabe Kentaro
    Journal of Vacuum Science & Technology B, 30(2), 021802, Feb. 2012, Refereed電子ジャーナル
  • Facile synthesis of vertically aligned hexagonal boron nitride nanosheets hybridized with graphitic domains
    Pakdel Amir, Wang Xuebin, Zhi Chunyi, Bando Yoshio, Watanabe Kentaro, Sekiguchi Takashi, Nakayama Tomonobu, Golberg Dmitri
    JOURNAL OF MATERIALS CHEMISTRY, 22(11), 4818-4824, Jan. 2012, Refereed電子ジャーナル
  • Cathodoluminescence study of nonuniformity in hydride vapor phase epitaxy-grown thick GaN films
    Lee Woong, Watanabe Kentaro, Kumagai Kazuhiro, Park Seunghwan, Lee Hyunjae, Yao Takafumi, Chang Jiho, Sekiguchi Takashi
    Journal of Electron Microscopy, 61(1), 25-30, Jan. 2012, Refereed電子ジャーナル
  • Crystal growth and characterization of gallium oxynitride nanowires grown on seed crystals
    Masubuchi Yuji, Yamaoka Ryohei, Motohashi Teruki, Kirihara Kazuhiko, Lee Woong, Watanabe Kentaro, Sekiguchi Takashi, Kikkawa Shinichi
    Journal of Crystal Growth, 337(1), 87-92, Oct. 2011, Refereed電子ジャーナル
  • Nature and role of various Si-based sensitizers for Er3+ ions in Silicon-rich silicon oxide thin films
    Sébastien Cueff, Christophe Labbé, Kentaro Watanabe, Benjamin Dierre, Takashi Sekiguchi, Richard Rizk
    Advanced Materials Research, 324, 81-84, Aug. 2011, Refereed電子ジャーナル
  • Development of Novel System Combining Scanning Tunneling Microscope-Based Cathodoluminescence and Electroluminescence Nanospectroscopies
    Watanabe Kentaro, Nakamura Yoshiaki, Kuboya Shigeyuki, Katayama Ryuji, Onabe Kentaro, Ichikawa Masakazu
    Japanese Journal of Applied Physics, 50(8S3), 08LB08, Aug. 2011, Refereed電子ジャーナル
  • カソードルミネセンス分析
    関口 隆史, 渡辺 健太郎
    ぶんせき, (7), 411-415, Jul. 2011, Refereed, Invited
  • Scanning tunneling microscope-cathodoluminescence measurement of the GaAs/AlGaAs heterostructure
    Watanabe Kentaro, Nakamura Yoshiaki, Ichikawa Masakazu, Kuboya Shigeyuki, Katayama Ryuji, Onabe Kentaro
    Journal of Vacuum Science & Technology B, 27(4), 1874-1880, Jun. 2009, Refereed電子ジャーナル
  • Local optical characterization related to Si cluster concentration in GaAs using scanning tunneling microscope cathodoluminescence spectroscopy
    Watanabe Kentaro, Nakamura Yoshiaki, Ichikawa Masakazu
    Japanese Journal of Applied Physics, 47(7S2), 6109-6113, Jul. 2008, Refereed電子ジャーナル
  • Spatial resolution of imaging contaminations on the GaAs surface by scanning tunneling microscope-cathodoluminescence spectroscopy
    Watanabe Kentaro, Nakamura Yoshiaki, Ichikawa Masakazu
    Applied Surface Science, 254(23), 7737-7741, Feb. 2008, Refereed電子ジャーナル
  • Measurements of local optical properties of Si-doped GaAs (110) surfaces using modulation scanning tunneling microscope cathodoluminescence spectroscopy
    Watanabe Kentaro, Nakamura Yoshiaki, Ichikawa Masakazu
    Journal of Vacuum Science & Technology B, 26(1), 195-200, Jan. 2008, Refereed電子ジャーナル
  • Quantum fluctuation of tunneling current in individual Ge quantum dots induced by a single-electron transfer
    Nakamura Yoshiaki, Ichikawa Masakazu, Watanabe Kentaro, Hatsugai Yasuhiro
    APPLIED PHYSICS LETTERS, 90(15), 153104-153106, Apr. 2007, Refereed電子ジャーナル
  • Observation of the quantum-confinement effect in individual Ge nanocrystals on oxidized Si substrates using scanning tunneling spectroscopy
    Yoshiaki Nakamura, Kentaro Watanabe, Yo Fukuzawa, Masakazu Ichikawa
    APPLIED PHYSICS LETTERS, 87(13), 133119-133121, Sep. 2005, Refereed電子ジャーナル

Lectures, oral presentations, etc.

  • [Invited] Nanospectroscopic Investigation of Individual Free-standing Semiconductor Nanocrystals Using In-situ Nanoprobe-Cathodoluminescence Technique
    Kentaro Watanabe
    Technical Meeting on Electronic Materials, IEE Japan, 22 Nov. 2023, The Institute of Electrical Engineers of Japan, Invited
  • Si基板上のh-BNナノシート合成に向けた下地基板及びCVD条件の検討
    岡本 朋大、岡部 稔也、渡辺 健太郎
    2023年秋季<第84回>応用物理学会, 19 Sep. 2023, 応用物理学会, Not invited
  • Tuning CVD growth conditions for enlarging monolayer MoS2 crystal
    Kakeru Fujii, Toshiya Okabe, Kentaro Watanabe
    SSDM2023, 06 Sep. 2023, The Japan Society of Applied Physics, Not invited
  • Development of CL nano-spectroscopy for monolayer materials using wet sheet transfer technique
    Toshiya Okabe, Kentaro Watanabe
    SSDM2023, 06 Sep. 2023, The Japan Society of Applied Physics, Not invited
  • 熱伝導率低減に向けた超高面密度Si自立ナノワイヤ周期配列の作製
    内山 幹太、渡辺 健太郎
    2023年春季<第70回>応用物理学会, 17 Mar. 2023, 応用物理学会, Not invited
  • 超高面密度・完全配向ZnOナノロッド配列の周期構造化に向けたテンプレート基板の検討
    野呂 拓未、目片 祥、渡辺 健太郎
    2023年春季<第70回>応用物理学会, 17 Mar. 2023, 応用物理学会, Not invited
  • Impact of Oxygen Annealing Temperature on Electrical Conductivity of Individual Free-standing ZnO Nanowires Studied by In-situ “Differential” I-V Method
    Kota Miyajima, Yuki Murata, Kentaro Watanabe
    2022 International Conference on Solid State Devices and Materials (SSDM 2022), 28 Sep. 2022, The Japan Society of Applied Physics, Not invited
  • Heteroepitaxial Chemical Bath Deposition of Ultra-High Density ZnO Nanorod Ar-rays on Au thin-films: Impacts of Au thin-film crystallinity and Periodic Template
    Sho Mekata, Yuki Murata, Kentaro Watanabe
    2022 International Conference on Solid State Devices and Materials (SSDM 2022), 28 Sep. 2022, The Japan Society of Applied Physics, Not invited
  • ZnOナノ構造の溶液成長におけるH2O2添加効果の検討
    北澤 裕太郎、渡辺 健太郎
    2022年秋季<第83回>応用物理学会, 21 Sep. 2022, The Japan Society of Applied Physics, Not invited
  • 添加剤を用いた溶液成長ZnOナノ結晶配列のアスペクト比制御とその薄膜化
    武内 大和、渡辺 健太郎
    2022年秋季<第83回>応用物理学会, 21 Sep. 2022, The Japan Society of Applied Physics, Not invited
  • 湿式剥離転写技術を用いた原子層材料の顕微CL分光法の開発
    岡部 稔也、藤井 駆、渡辺 健太郎
    2022年秋季<第83回>応用物理学会, 20 Sep. 2022, The Japan Society of Applied Physics, Not invited
  • 二次元材料MoS2の結晶粒径拡大に向けたCVD成長条件の検討
    藤井 駆、岡部 稔也、渡辺 健太郎
    2022年秋季<第83回>応用物理学会, 20 Sep. 2022, The Japan Society of Applied Physics, Not invited
  • [Invited] Nanospectroscopic / electrical analyses of individual free-standing semiconductor nanorods using in-situ nanoprobe-cathodoluminescence technique
    Kentaro Watanabe
    The 5th International Union of Materials Research Societies International Conference of Young Researchers on Advanced Materials (IUMRS-ICYRAM 2022), 04 Aug. 2022, International Union of Materials Research Societies (IUMRS), Invited
  • Solution-based Impurity Doping into Free-Standing Si Nanowire Arrays for Thermoelectric Power Generators
    Ikutaroh Tanaka, Kentaro Watanabe
    The 6th Asia-Pacific Conference on Semiconducting Silicides and Related Materials (APAC-Silicide 2022), 30 Jul. 2022, The Professional Group of Semiconducting Silicides and Related Materials, JSAP, Not invited
  • Thermal conductivity measurement of free-standing Si nanowire arrays using embedding organic medium
    Kentaro Watanabe, Yoshiaki Nakamura
    The 6th Asia-Pacific Conference on Semiconducting Silicides and Related Materials (APAC-Silicide 2022), 30 Jul. 2022, The Professional Group of Semiconducting Silicides and Related Materials, JSAP, Not invited
  • [Keynote] Nanospectroscopic investigation of individual free-standing semiconductor nanorods using in-situ nanoprobe-cathodoluminescence technique
    Kentaro Watanabe
    2021 Materials Research Society-Taiwan International Conference (2021 MRSTIC), 13 Nov. 2021, Materials Research Society-Taiwan, Invited
  • 熱電発電応用に向けたSi自立ナノワイヤ配列への高濃度ドーピング
    田中 幾多郎、渡辺 健太郎
    2021年秋季<第82回>応用物理学会, 12 Sep. 2021, 応用物理学会, Not invited
  • 超高面密度ZnOナノロッド配列のヘテロエピタキシャル溶液成長とその周期構造化
    目片 祥、村田 雄生、渡辺 健太郎
    2021年秋季<第82回>応用物理学会, 10 Sep. 2021, 応用物理学会, Not invited
  • 単一自立ナノワイヤのその場差分I-V測定による電気伝導率評価
    宮嶋 航汰、村田 雄生、渡辺 健太郎
    2021年秋季<第82回>応用物理学会, 10 Sep. 2021, 応用物理学会, Not invited
  • 酸素雰囲気アニールによるZnO自立ナノロッドの電気絶縁化とそのナノ分光・電気特性評価
    村田 雄生、宮嶋 航汰、渡辺 健太郎
    2021年秋季<第82回>応用物理学会, 10 Sep. 2021, 応用物理学会, Not invited
  • Impurity Doping and Ohmic Contact Fabrication on Free-Standing Si Nanowire Arrays for Thermoelectric Applications
    Ikutaroh Tanaka, Kentaro Watanabe
    2021 International Conference on Solid State Devices and Materials (SSDM 2021), 07 Sep. 2021, Japan Society of Applied Physics, Not invited
  • Heteroepitaxial Chemical Bath Deposition of Ultra-High Density ZnO Nanorod Arrays on Au films and Au Periodic Templates
    Sho Mekata, Yuki Murata, Kentaro Watanabe
    2021 International Conference on Solid State Devices and Materials (SSDM 2021), 07 Sep. 2021, Japan Society of Applied Physics, Not invited
  • In-situ Electrical Conductivity Measurements of Individual Free-standing Nanowires Grown on a Substrate
    Kota Miyajima, Yuki Murata, Kentaro Watanabe
    2021 International Conference on Solid State Devices and Materials (SSDM 2021), 07 Sep. 2021, Japan Society of Applied Physics, Not invited
  • Nanospectroscopic / In-situ Electrical Analyses of Indivudial ZnO Nanowires Insulated by Thermal Annealing in Oxygen Ambient
    Yuki Murata, Kota Miyajima, Kentaro Watanabe
    2021 International Conference on Solid State Devices and Materials (SSDM 2021), 07 Sep. 2021, Japan Society of Applied Physics, Not invited
  • 顕微CL法を用いた単原子層シートのナノスケール発光/吸収分光
    渡辺 健太郎、衣 瑋、陳 君、窪谷 茂幸
    2020年秋季<第81回>応用物理学会, 10 Sep. 2020, 応用物理学会, Not invited
  • [Invited] Nanospectroscopic investigation of individual free-standing semiconductor nanowires using nanoprobe-cathodoluminscence techniques
    Kentaro Watanabe
    2018 IEEE 8th International Conference on Nanomaterials: Application & Properties (NAP-2018), 12 Sep. 2018, IEEE-Ukraine, Invited
  • [Invited] A versatile thermal conductivity measurement of free-standing nanowire array structures using embedding organic material films
    Kentaro Watanabe,Yoshiaki Nakamura
    2017 Global Research Efforts on Energy and Nanomaterials (GREEN 2017), 22 Dec. 2017, Asia Pacific Society for Materials Research, Invited
  • [招待講演] Nanoprobe-CL法による半導体単結晶自立ナノワイヤの顕微物性評価
    渡辺健太郎
    第8回真空・表面科学若手研究会, 27 Oct. 2017, 真空・表面科学若手研究会実行委員会, Invited
  • [Invited] Nanospectroscopic investigation of individual free-standing semiconductor nanowires using nanoprobe-cathodoluminscence techniques
    Kentaro Watanabe
    SSDM 2017, 22 Sep. 2017, 応用物理学会, Invited
  • [招待講演] Nanoprobe-CL法による半導体ナノ結晶の顕微物性評価
    渡辺 健太郎
    2016年春季<第63回>応用物理学会, 19 Mar. 2016, 応用物理学会, Invited
  • [依頼講演] 半導体ナノワイヤ歪変調バンドギャップのその場顕微評価
    渡辺 健太郎,関口 隆史
    国際ナノテクノロジー総合展・技術会議(nano tech 2015), 30 Jan. 2015, nano tech実行委員会, Not invited
  • [依頼講演] 半導体ナノワイヤのバンド端変形ポテンシャルと曲げ歪・表面弾性
    渡辺 健太郎,関口 隆史
    SATテクノロジー・ショーケース2015, 21 Jan. 2015, つくばサイエンス・アカデミー, Not invited

Courses

  • Composite Functional Materials, Nanomaterials Science and Engineering
    Shinshu University
  • Advanced Electronic Materials
    Shinshu University
  • Experimental Engineering and Machining IV
    Shinshu University
  • Experimental Engineering and Machining II
    Shinshu University
  • Thermodynamics II
    Shinshu University
  • Experimental Engineering and Machining I
    Shinshu University
  • Seminar of Functional Machinery and Mechanics I
    Shinshu University
  • Energy Conversion Engineering
    Shinshu University

Affiliated academic society

  • Apr. 2008
    The Japan Society of Applied Physics

Research Themes

  • 圧電体自立ナノロッド配列を用いた高温環境下の自立圧電デバイスの創出
    科学研究費補助金, 基盤研究(B)
    Apr. 2020 - Mar. 2023
  • 低次元半導体ナノ構造の超高密度配列の実現と革新的エネルギーデバイスの創出
    科学研究費補助金, 文部科学省 卓越研究員事業
    Nov. 2019 - Mar. 2024
  • Materials informatics-guided nano-fabrication and nano-characterization of hetero-nanostructure monolayers for transparent flexible 2D electronics
    東北大学材料科学高等研究所
    Sep. 2019 - Mar. 2020
  • 数学・データ科学を用いた原子層トランジスタ材料の創出
    May 2019 - Feb. 2020
  • He-ion beam lithography-assisted CVD synthesis and structural / optoelectronic characterization of nanometric lateral heterostructure in semiconducting monolayered transition metal dichalcogenides
    東北大学材料科学高等研究所
    Sep. 2018 - Mar. 2019
  • アモルファス系電池用材料の局所原子配列と充放電機構
    科学研究費補助金, 基盤研究(A)
    Apr. 2018 - Mar. 2020
  • ナノ構造の金属材料における評価と光学を使った特性の研究
    科学研究費補助金, 特別研究員奨励費
    2018 - 2019
  • Pd系金属ガラスの相分離組織に関する微視的観察
    科学研究費補助金, 特別研究員奨励費
    2018 - 2018
  • ナノ弾性の顕在化による超高面密度ZnO自立ナノロッド配列の圧電電荷出力の向上
    科学研究費補助金, 基盤研究(C)
    Apr. 2017 - Mar. 2020
  • 溶液成長ZnOナノロッド圧電素子の圧電性・弾性評価と成長制御による圧電応答改善
    科学研究費補助金, 若手研究(B)
    01 Apr. 2014 - 31 Mar. 2016
  • 絶縁性ナノ構造の発光特性評価に適したカソードルミネッセンス顕微分光法の開発
    科学研究費補助金, 若手研究(B)
    Apr. 2011 - Mar. 2013

Social Contribution Activities

  • 科学技術振興機構『グローバルサイエンスキャンパス』委託事業 「大阪大学SEEDSプログラム」
    大阪大学, 01 Apr. 2016 - 31 Mar. 2018

Media Coverage

  • 2019年度NIMS-Tohoku 戦略的共同研究パートナー
    物質・材料研究機構、東北大学, May 2019, Others
  • Research Highlight "Conductive optical-fibre STM probe for local excitation and collection of cathodoluminescence at semiconductor surfaces"
    Advances in Engineering, Canada, 20 Nov. 2013, Others