2023
Md Shuzon Ali, Yusuke Hata, Motoki Kataoka, Masaaki Misawa, Kenji Tsuruta,
"Robust and Reconfigurable Waveguide Design in Valley-Topological Phononic Crystals," Materials Science Forum Vol. 1107, pp.141-145 (2023). [Link]
Yusuke Hata, Masaaki Misawa, Kenji Tsuruta,
"Second order topological hinge modes in a 3-dimensional phononic crystal,"
Proceedings of IEEE Int'l Ultrasonics Sympo. (IEEE-IUS2023), 10307189 (3pages), doi: 10.1109/IUS51837.2023.10307189 (2023) [Link]
Yuito Ohashi, Yusuke Hata, Masaaki Misawa, Kenji Tsuruta,
"Structural Design of Topological Surface Acoustic Waveguides with Pillar-shaped Phononic Crystals,"
Proceedings of Symposium on Ultrasonic Electronics (USE2023) Vol. 44, 3P1-8 (2pages) (2023). [Link]
Tomoya Ishikawa, Masaaki Misawa, Kenji Tsuruta,
"Fabrication and evaluation of sound-absorbing meta-surface with coincidence-effect suppression,"
Proceedings of Symposium on Ultrasonic Electronics (USE2023) Vol. 44, 3P1-7 (2pages) (2023). [Link]
Yusuke Hata, Kenji Tsuruta,
"Multichannel topological waveguide in multilayer Kagome phononic crystal,"
Proceedings of Symposium on Ultrasonic Electronics (USE2023) Vol. 44, 3J2-2 (2pages) (2023). [Link]
Paul Otsuka, Katsuya Nishimata, Motonobu Tomoda, Daiki Hatanaka, Hiroshi Yamaguchi, Kenji Tsuruta, Osamu Matsuda,
"Valley vortex edge modes in a phononic crystal at ultrahigh frequencies,"
Proceedings of Symposium on Ultrasonic Electronics (USE2023) Vol. 44, 2Pa1-4 (2pages) (2023). [Link]
Akira Kojima, Kenji Tsuruta,
"Multilayer Acoustic Metasurfaces for Broadband Sound-Absorbing and Energy-Harvesting Devices,"
Proceedings of Symposium on Ultrasonic Electronics (USE2023) Vol. 44, 2Pa1-2 (2pages) (2023). [Link]
Yuta Kono, Motoki Kataoka, Yusuke Hata, Kenji Tsuruta,
"Topological phononic waveguide design on surface of 3D object and its application to ball SAW sensor,"
Proceedings of Symposium on Ultrasonic Electronics (USE2023) Vol. 44, 1Pa3-10 (2pages) (2023). [Link]
Md. Shuzon Ali, Yusuke Hata and Kenji Tsuruta,
"Active control of localized mode and transmission in topological phononic waveguides by non-Hermitian modulation," Applied Physics Express Vol. 16, 094001 (6pages) (2023). [Link]
Hiroo Suzuki, Yijun Liu, Masaaki Misawa, Chiyu Nakano, Yingzhe Wang, Ryo Nakano, Kentaro Ishimura, Kenji Tsuruta, Yasuhiko Hayashi, "Intermediate State between MoSe2 and Janus MoSeS during Atomic Substitution Process,"
Nano Letters Vol. 23, pp.4533?4540 (2023). [Link]
Hiroo Suzuki, Misaki Kishibuchi, Masaaki Misawa, Kazuma Shimogami, Soya Ochiai, Takahiro Kokura, Yijun Liu, Ryoki Hashimoto, Zheng Liu, Kenji Tsuruta, Yasumitsu Miyata, Yasuhiko Hayashi, "Self-Limiting Growth of Monolayer Tungsten Disulfide Nanoribbons on Tungsten Oxide Nanowires,"
ACS Nano Vol. 17, pp.9455?9467 (2023). [Link]
Kenji Tsuruta,
"Acoustic metasurfaces and topological phononics for acoustic/elastic device design (Progress Review)," Japanese Journal of Applied Physics Vol. 62, SJ0803 (13pages) (2023). [Link]
Md. Shuzon Ali, Motoki Kataoka, Masaaki Misawa and Kenji Tsuruta,
"Reconfigurable waveguide based on valley topological phononic crystals with local symmetry inversion via continuous translation," Japanese Journal of Applied Physics Vol. 62, SJ1002 (9pages) (2023). [Link]
2022
Masaaki Misawa, Hinata Hokyo, Shogo Fukushima, Kohei Shimamura, Akihide Koura, Fuyuki Shimojo, Rajiv K. Kalia, Aiichiro Nakano, and Priya Vashishta, "Defect-free and crystallinity-preserving ductile deformation in semiconducting Ag2S,"
Scientific Reports Vol. 12, 19458 (8pages) (2022). [Link]
Md. Shuzon Ali, Motoki Kataoka, Masaaki Misawa, Kenji Tsuruta,
"Reconfigurable Waveguide Design in Valley-Topological Phononic Crystal,"
Proceedings of Symposium on Ultrasonic Electronics (USE2022) Vol. 43, 1Pa1-3 (2pages) (2022). [Link]
Kenji Tsuruta,
"Metamaterial and Topological Physics Approaches for Designing Efficient Acoustic/Elastic Devices,"
Proceedings of Symposium on Ultrasonic Electronics (USE2022) Vol. 43, 1PL (2pages) (2022). [Link]
Yuito Ohashi, Motoki Kataoka, Hiroaki Takeshita, Masaaki Misawa, Kenji Tsuruta,
"Higher-order Band Control and Topological Elastic Waveguide Design using Resonant-type Phononic
Crystals,"
Proceedings of Symposium on Ultrasonic Electronics (USE2022) Vol. 43, 3Pb1-1 (2pages) (2022). [Link]
Motoki Kataoka, Yuito Ohashi, Masaaki Misawa, Kenji Tsuruta,
"Design of Topological Phononic Structure and Application to Thin Plate Elastic Wave,"
Proceedings of Symposium on Ultrasonic Electronics (USE2022) Vol. 43, 3Pa1-3 (2pages) (2022). [Link]
Tomoya Ishikawa, Masaaki Misawa, Kenji Tsuruta,
"Design of Acoustic Meta-surfaces with Both Coincidence Effect Suppression and Sound Absorption
Functions,"
Proceedings of Symposium on Ultrasonic Electronics (USE2022) Vol. 43, 3J2-2 (2pages) (2022). [Link]
Motoki Kataoka, Masaaki Misawa, and Kenji Tsuruta, "Design and Robustness Evaluation of Valley Topological Elastic Wave Propagation in a Thin Plate with Phononic Structure,"
Symmetry Vol. 14, 2133 (12pages) (2022). [Link]
Narumi Machida, Masaaki Misawa, Yuki Kezuka, Kenji Tsuruta, "First-principles Analysis of Stearic Acid Adsorption on Calcite (104) Surface,"
e-Journal of Surface Science and Nanotechnology Vol. 20 (issue 4), pp.261-265 (2022). [Link]
Hiroo Suzuki, Ryoki Hashimoto, Masaaki Misawa, Yijun Liu, Misaki Kishibuchi, Kentaro Ishimura, Kenji Tsuruta, Yasumitsu Miyata, Yasuhiko Hayashi, "Surface Diffusion-Limited Growth of Large and High-Quality Monolayer Transition Metal Dichalcogenides in Confined Space of Microreactor,"
ACS Nano Vol. 16, pp.11360-11373 (2022). [Link]
Honghu Guo, Kazuo Ichikawa, Hiroyuki Sakai, Heng Zhang, Xiaopeng Zhang, Kenji Tsuruta, Kanjuro Makihara, Akihiro Takezawa, "Numerical and experimental analysis of additively manufactured particle dampers at low frequencies,"
Powder Technology Vol. 396, pp.696-709 (2022). [Link]
2021
M. Kataoka, M. Misawa, and K. Tsuruta,
"Design and measurement of topological elastic waveguide
based on phononic crystal,"
Proceedings of Symposium on Ultrasonic Electronics (USE2021) Vol. 42, 1J1-1 (2pages) (2021). [Link]
K. Akae, M. Misawa, and K. Tsuruta,
"Band Structure Design for a Two-Dimensional
Phononic Crystal using Various Optimization Methods,"
Proceedings of Symposium on Ultrasonic Electronics (USE2021) Vol. 42, 2Pa1-3 (2pages) (2021). [Link]
H. Takeshita, M. Misawa, and K. Tsuruta,
"Design of topological phononic structure for multimode
propagation,"
Proceedings of Symposium on Ultrasonic Electronics (USE2021) Vol. 42, 3Pb1-2 (2pages) (2021). [Link]
R. Takami, M. Misawa, and K. Tsuruta,
"Design of High-efficiency Sound Absorption and Energy
Harvesting Devices Using Acoustic Metasurfaces,"
Proceedings of Symposium on Ultrasonic Electronics (USE2021) Vol. 42, 3Pb4-7 (2pages) (2021). [Link]
三澤賢明,島村孝平,下條冬樹,
“第一原理計算と機械学習による固体材料における衝撃圧縮特性の分子動力学解析,”
セラミックス Vol. 56, No. 10, pp. 674-677 (2021) (日本セラミックス協会誌特集号「計算材料設計最前線2021」). [Link]
M. Hada, S. Ohmura, T. Ishikawa, M. Saigo, N. Keio, W. Yajima, T. Suzuki, D. Urushihara, K. Takubo, Y. Masaki, M. Kuwahara, K. Tsuruta, Y. Hayashi, J. Matsuo, T. Yokoya, K. Onda, F. Shimojo, M. Hase, S. Ishihara, T. Asaka, N. Abe, T. Arima, S. Koshihara, Y. Okimoto,
"Photoinduced oxygen transport in cobalt double-perovskite crystal EuBaCo2O5. 39," Applied Materials Today Vol. 24, 101167 (9pages) (2021). [Link]
Shota Takasugi, Keita Watanabe, Masaaki Misawa and Kenji Tsuruta,
"Low-frequency sound absorbing metasurface using multilayer split resonators," Japanese Journal of Applied Physics Vol. 60, SDDA01 (7pages) (2021). [Link]
Kyosuke Sato and Kenji Tsuruta,
"Optimization of Molecular Characteristics via Machine Learning Based on Continuous Representation of Molecules," Materials Science Forum Vol. 1016, pp.1492-1496 (2021). [Link]
2020
[Picked up in Scilight] Masaki Hada, Md. Abdullah Al Asad, Masaaki Misawa, Yoichi Hasegawa, Ryota Nagaoka, Hiroo Suzuki, Ryuji Mishima, Hiromi Ota, Takeshi Nishikawa, Yoshifumi Yamashita, Yasuhiko Hayashi, and Kenji Tsuruta, "A mechanistic investigation of moisture-induced degradation of methylammonium lead iodide,"
Applied Physics Letters Vol. 117, Issue 25, pp. 253304-1-253304-6 (2020). [Link]
飯盛浩司，松島慶，鶴田健二, 高橋徹, 松本敏郎,
“共分散行列適応進化戦略とS行列を用いたフォノニック構造のパラメータ最適化,”
計算数理工学論文集Vol. 20, pp.65-73 (2020). [Link]
K. Okuno, M. Misawa, and K. Tsuruta,
"Reconfigurable valley topological phononic waveguide with local C3v symmetry,"
Proceedings of Symposium on Ultrasonic Electronics (USE2020) Vol. 41, 3Pa1-2 (2pages) (2020). [Link]
S. Takasugi, K. Watanabe, M. Misawa, and K. Tsuruta,
"Low-frequency sound absorbing metasurface using multiple split resonators,"
Proceedings of Symposium on Ultrasonic Electronics (USE2020) Vol. 41, 3Pb1-1 (2pages) (2020). [Link]
Takumi Iida, Atsushi Ishikawa, Takuo Tanaka, Atsuya Muranaka, Masanobu Uchiyama, Yasuhiko Hayashi, and Kenji Tsuruta,
"Super-chiral vibrational spectroscopy with metasurfaces for high-sensitive identification of alanine enantiomers,"
Applied Physics Letters Vol. 117, Issue 10, pp. 101103-1-101103-5 (2020). [Link]
Md. Abdullah Al Asad and Kenji Tsuruta,
"Characterization of the Σ5(210) / [001] Grain Boundary of Methyl-Ammonium Lead Triiodide Perovskite using Density Functional Theory,"
Transactions of the Materials Research Society of Japan Vol. 45 (3), 67-71 (2020). [Link]
Masaaki Misawa, Shogo Fukushima, Akihide Koura, Kohei Shimamura, Fuyuki Shimojo, Subodh C Tiwari, Ken-ichi Nomura, Rajiv K Kalia, Aiichiro Nakano, Priya Vashishta,
"Application of First-Principles-Based Artificial Neural Network Potentials to Multiscale-Shock Dynamics Simulations on Solid Materials,"
The Journal of Physical Chemistry Letters Vol. 11, 4536-4541 (2020). [Link]
Takahiro Suichi, Atsushi Ishikawa, Takuo Tanaka, Yasuhiko Hayashi, and Kenji Tsuruta,
"Whitish daytime radiative cooling using diffuse reflection of non-resonant silica nanoshells,"
Scientific Reports Vol. 10, 6486 (6pages) (2020). [Link]
Kenshi Okuno and Kenji Tsuruta,
"Topologically robust sound wave transport in two-dimensional phononic crystal with a circular rod arrangement in water,"
Japanese Journal of Applied Physics Vol. 59, SKKA05 (8pages) (2020). [Link]
Keita Watanabe, Mikiya Fujita and Kenji Tsuruta,
"Design of non-circular membranes metasurfaces for broadband sound absorption,"
Japanese Journal of Applied Physics Vol. 59, SKKA06 (6pages) (2020). . [Link]
Kiyoshi Miyata, Ryota Nagaoka, Masaki Hada, Takanori Tanaka, Ryuji Mishima, Taihei Kuroda, Sota Sueta, Takumi Iida, Yoshifumi Yamashita, Takeshi Nishikawa, Kenji Tsuruta, Yasuhiko Hayashi, Ken Onda, Toshihiko Kiwa, Takashi Teranishi,
“Liquid-like dielectric response is an origin of long polaron lifetime exceeding 10 μ s in lead bromide perovskites,”
The Journal of Chemical Physics Vol. 152, 084704 (2020)[Link]
2019
K. Okuno and K. Tsuruta,
"Topologically robust sound wave transport using phononic crystal in water,"
Proceedings of Symposium on Ultrasonic Electronics (USE2019) Vol. 40, 2P1-4 (2pages) (2019). [Link]
K. Watanabe, M. Fujita, and K. Tsuruta,
" Design of Non-circular Membranes Metasurfaces for Broadband Sound Absorption,"
Proceedings of Symposium on Ultrasonic Electronics (USE2019) Vol. 40, 2P1-5 (2pages) (2019). [Link]
Masaki Hada, Daisuke Yamaguchi, Tadahiko Ishikawa, Takayoshi Sawa, Kenji Tsuruta, Ken Ishikawa, Shin-ya Koshihara, Yasuhiko Hayashi, and Takashi Kato,
“Ultrafast isomerization-induced cooperative motions to higher molecular orientation in smectic liquid-crystalline azobenzene molecules,”
Nature Communications Vol. 10, p. 4159 (8pages) (2019)[Link]
Masaki Hada, Kiyoshi Miyata, Satoshi Ohmura, Yusuke Arashida, Kohei Ichiyanagi, Ikufumi Katayama, Takayuki Suzuki, Wang Chen, Shota Mizote, Takayoshi Sawa, Takayoshi Yokoya, Toshio Seki, Jiro Matsuo, Tomoharu Tokunaga, Chihiro Itoh, Kenji Tsuruta, Ryo Fukaya, Shunsuke Nozawa, Shin-ichi Adachi, Jun Takeda, Ken Onda, Shin-ya Koshihara, Yasuhiko Hayashi, and Yuta Nishina,
“Selective Reduction Mechanism of Graphene Oxide Driven by the Photon Mode versus the Thermal Mode,”
ACS Nano Vol. 13, pp.10103-10112 (2019); doi.org/10.1021/acsnano.9b03060 [Link]
M.A.A. Asad, K. Sato, and K. Tsuruta,
“First-principles Study on Water Dissociation in Grain Boundary of MAPbI3 Perovskite,”
MRS Advances Vol. 4, Issue 36 (Energy and Sustainability), pp.1965-1971 (2019); doi:10.1557/adv.2019.329 [Link]
M.A.A. Asad and K. Tsuruta,
“Unravelling the Effect of Pb Vacancy and Water Intercalated Defect on Structural and Electronic Properties in Methyl Ammonium Lead Iodide (MAPI) Perovskite via First Principles Calculations,”
AMTC Letters Vol. 6, pp.198-199 (2019)[Link]
M. Misawa, H. Hashimoto, R. K. Kalia, S. Matsumoto, A. Nakano, F. Shimojo, J. Takada, S. Tiwari, K. Tsuruta, and P. Vashishta,
“Rapid and reversible lithiation of doped biogenous iron oxide nanoparticles,”
Scientific Reports Vol. 9, 1828 (8pages) (2019) [Link]
2018
K. Manabe, A. Ishikawa, K. Yamamoto, T. Kanda, and K. Tsuruta,
"Design and Assessment of Phononic Crystals for Controlling Ultrasonic Wave via Optical Measurement Method,"
Proceedings of IEEE Int'l Ultrasonics Sympo. (IEEE-IUS2018), 8580129 (4pages), doi: 10.1109/ULTSYM.2018.8580129 (2018) [Link]
J. Ge, A. Ishikawa, and K. Tsuruta,
"Numerical Simulation of Non-reciprocal Acoustic Waveguide based on Indirect Interband Transitions,"
Proceedings of IEEE Int'l Ultrasonics Sympo. (IEEE-IUS2018), 8579977 (4pages), doi: 10.1109/ULTSYM.2018.8579977 (2018) [Link]
T. Nishino, K. Tsuruta, and A. Ishikawa,
"Transferable Analytical Model of Phononic Bandgap in Cross-hole Phononic Crystals,"
Proceedings of IEEE Int'l Ultrasonics Sympo. (IEEE-IUS2018), 8579923 (4pages), doi: 10.1109/ULTSYM.2018.8579923 (2018) [Link]
K. Tsuruta, S. Asada, Y. Iwasaki, and A. Ishikawa
"Design of Non-reciprocal Lamb Wave Filter by Heterojunction Phononic Crystals,"
Proceedings of IEEE Int'l Ultrasonics Sympo. (IEEE-IUS2018), 8579922 (4pages), doi: 10.1109/ULTSYM.2018.8579922 (2018) [Link]
K. Tsuruta, K. Mitani, Md.A.A. Asad, Y. Nishina, K. Gotoh, and A. Ishikawa,
“Metaheuristic Ab-initio Optimum Search for Doping Effects in Nanocarbons,” Material Science Forum Vol. 941, pp. 2356-2359 (2018) [Link]
M. Fujita, K. Manabe, K. Tsuruta, T. Hada, and N. Yorozu,
"Wideband acoustic absorber by multicomponent metasurfaces and its application to energy harvesting,"
Proceedings of Symposium on Ultrasonic Electronics (USE2018) Vol. 39, 3P1-3 (2pages) (2018). [Link]
M. Hoshika, K. Manabe, and K. Tsuruta,
"Transmission and focusing of ultrasonic wave in silicone by two-dimensional phononic crystal,"
Proceedings of Symposium on Ultrasonic Electronics (USE2018) Vol. 39, 3P1-10 (2pages) (2018). [Link]
M. Hoshika, K. Manabe, and K. Tsuruta,
“シリコーン中の2次元フォノニック結晶の設計とGRINレンズへの応用,”
電子情報通信学会技術研究報告 Vol. 118, No. 167, pp. 31-34 (2018). [Link]
T. Suichi, A. Ishikawa, Y. Hayashi, and K. Tsuruta,
“Performance limit of daytime radiative cooling in warm humid environment,”
AIP Advances Vol. 8, Issue.5, pp. 055124-1-055124-6 (2018). [Link]
T. Nishino, A. Ishikawa, and K. Tsuruta,
“フォノニック結晶のバンドギャップ制御のための理論モデル,”
電子情報通信学会技術研究報告 Vol. 117, No. 398, pp. 63-66 (2018). [Link]
K. Manabe, A. Ishikawa, T. Kanda, and K. Tsuruta,
“フォノニック結晶による超音波伝搬と光学的可視化,”
電子情報通信学会技術研究報告 Vol. 117, No. 398, pp. 67-69 (2018). [Link]
J. GE, A. Ishikawa, and K. Tsuruta,
“間接音響遷移に基づく音響ダイオードの数値シミュレーション,”
電子情報通信学会技術研究報告 Vol. 117, No. 398, pp. 89-91 (2018). [Link]
2017
A. Ishikawa, S. Hara, T. Tanaka, X. Zhang, and K. Tsuruta,
“Robust plasmonic hot-spots in a metamaterial lattice for enhanced sensitivity of infrared molecular detection,”
Applied Physics Letters Vol. 111, Issue 24, pp. 243106-1-243106-4 (2017). [Link]
K. Tsuruta and A. Ishikawa,
“超音波・弾性波の非相反伝搬機構の設計,”
超音波TECHNO Vol. 29, No. 6, pp. 70-73 (2017). [Link]
A. Ishikawa, T. Kato, N. Takeyasu, K. Fujimori, and K. Tsuruta,
“Selective electroless plating of 3D-printed plastic structures for three-dimensional microwave metamaterials,”
Applied Physics Letters Vol. 111, Issue 18, pp. 183102-1-183102-4 (2017). [Link]
K. Mori, N. Matsumoto, S. Nomoto, and K. Tsuruta,
“Computational and Experimental Analyses of Detachment Force at the Interface between Carbon Fibers and Epoxy Resin,”
Open Journal of Composite Materials Vol.7 No.4, pp. 179-184 (2017)[Link]
T. Amemiya, Z. Gu, Y. Shoji, T. Mizumoto, S. Arai, T. Tanaka, and A. Ishikawa,
“光デバイスへ向けた紫外線硬化樹脂と磁性体の三次元光造形,”
光アライアンス Vol. 28, No. 11, pp. 44-49 (2017). [Link]
K. Manabe, A. Ishikawa, T. Kanda, and K. Tsuruta,
"Control and optical visualization of ultrasonic propagation in phononic crystal,"
Proceedings of Symposium on Ultrasonic Electronics (USE2017) Vol. 38, 3P1-3 (2pages) (2017). [Link]
T. Nishino, A. Ishikawa, K. Fujimori, and K. Tsuruta,
"Theorical modeling and experimental measurement for bandgap control of phononic crystals,"
Proceedings of Symposium on Ultrasonic Electronics (USE2017) Vol. 38, 3P1-4 (2pages) (2017). [Link]
T. Suichi, A. Ishikawa, Y. Hayashi, and K. Tsuruta,
“Structure optimization of metallodielectric multilayer for high-efficiency daytime radiative cooling,”
Proceedings of SPIE Vol. 10369, 103690E-1-103690E-6 (6pages) (2017). [Link]
Y. Sugino, A. Ishikawa, Y. Hayashi, and K. Tsuruta,
“Automated design of infrared digital metamaterials by genetic algorithm,”
Proceedings of SPIE Vol. 10343, 103432O-1-103432O-5 (5pages) (2017). [Link]
A. Ishikawa, S. Hara, T. Tanaka, Y. Hayashi, and K. Tsuruta,
“Cross-polarized surface-enhanced infrared spectroscopy by Fano-resonant asymmetric metamaterials,”
Scientific Reports Vol. 7, pp. 3205-1-3205-8 (2017). [Link]
A. Ishikawa and K. Tsuruta,
"Design of non-reciprocal acoustic waveguides by indirect interband transitions,"
Japanese Journal of Applied Physics Vol. 57, No. 7S1, pp. 07JB01-1-07JB01-4 (2017). [Link]
T. Kanazawa, T. Amemiya, V. Upadhyaya, A. Ishikawa, K. Tsuruta, T. Tanaka, and Y. Miyamoto,
"Performance improvement of HfS2 transistors by atomic layer deposition of HfO2,"
IEEE Transactions on Nanotechnology Vol. 17, Issue 4, pp. 582-587 (2017). [Link]
Y.-H. Chen, C.-C. Chen, A. Ishikawa, M.-H. Shiao, Y.-S. Lin, C.-N. Hsiao, H.-P. Chiang, and T. Tanaka,
"Interplay of mutual electric and magnetic couplings between three-dimensional split-ring resonators,"
Optics Express Vol. 25, No. 3, pp. 2909-2917 (2017). [Link]
2016
T. Amemiya, T. Kanazawa, T. Hiratani, N. Nishiyama, S. Arai, T. Urakami, T. Tanaka, and A. Ishikawa,
“光学迷彩とメタマテリアルフィルム,”
光技術コンタクト Vol. 54, No. 11 (636), pp. 27-36 (2016). [Link]
A. Ishikawa and K. Tsuruta,
"Design of non-reciprocal acoustic waveguides by indirect interband transitions,"
Proceedings of Symposium on Ultrasonic Electronics (USE2016) Vol. 37, 1P1-3 (2pages) (2016). [Link]
Y. Kobayashi, K. Tsuruta, and A. Ishikawa,
"Design of composite-structured acoustic metasurface toward wideband energy harvesting,"
Proceedings of Symposium on Ultrasonic Electronics (USE2016) Vol. 37, 3P1-2 (2pages) (2016). [Link]
A. Ishikawa,
“屈折率,”
ぶんせき（ミニファイル：分析化学と材料物性）Vol. 2016, No. 9 (501), pp. 364-365 (2016). [Link]
S. Hara, A. Ishikawa, T. Tanaka, Y. Hayashi, and K. Tsuruta,
“Controlled Fano resonances via symmetry breaking in metamaterials for high-sensitive infrared spectroscopy,”
Proceedings of SPIE Vol. 9918, 991814-1-991814-5 (5pages) (2016). [Link]
Y. Iwasaki, K. Tsuruta, and A. Ishikawa,
"Rectification of Lamb wave propagation in thin plates with piezo-dielectric periodic structures,"
Japanese Journal of Applied Physics Vol. 55, No. 7S1, pp. 07KB02-1-07KB02-4 (2016). [Link]
T. Kanazawa, T. Amemiya, A. Ishikawa, V. Upadhyaya, K. Tsuruta, T. Tanaka, and Y. Miyamoto,
"Few-layer HfS2 transistor,"
Scientific Reports Vol. 6, pp. 22277-1-22277-7 (2016). [Link]
S. Ohmura, K. Tsuruta, F. Shimojo, and A. Nakano,
"Doping effect on photoabsorption and charge-separation dynamics in light-harvesting organic molecule,"
AIP Advances Vol. 6, Issue.1, pp. 015305-1-015305-7 (2016). [Link]
2015
Y. Kobayashi, K. Tsuruta, and A. Ishikawa,
"Design of acoustic metasurface toward a perfect absorber,"
Proceedings of Symposium on Ultrasonic Electronics (USE2015) Vol. 36, 3P1-7 (2pages) (2015). [Link]
Y. Iwasaki, K. Tsuruta, and A. Ishikawa,
"Rectification of Lamb wave propagation in thin plates with piezo-dielectric periodic structures,"
Proceedings of Symposium on Ultrasonic Electronics (USE2015) Vol. 36, 1P1-8 (2pages) (2015). [Link]
A. Ishikawa, T. Yatooshi, T. Tanaka, and K. Tsuruta,
“Graphene plasmonics,” OPTRONICS Vol. 34, No. 12 (408), pp. 75-80 (2015). [Link]
Z. Gu, T. Amemiya, A. Ishikawa, T. Hiratani, J. Suzuki, N. Nishiyama, T. Tanaka, and S. Arai,
“Optical transmission between III-V chips on Si using photonic wire bonding,”
Optics Express Vol. 23, No. 17, pp. 22394-22403 (2015). [Link]
T. Yatooshi, A. Ishikawa, and K. Tsuruta,
“Terahertz wavefront control by tunable metasurface made of graphene ribbons,”
Applied Physics Letters Vol. 107, Issue 5, pp. 053105-1-053105-4 (2015). [Link]
A. Ishikawa and T. Tanaka,
“Metamaterial absorbers for infrared detection of molecular self-assembled monolayers,”
Scientific Reports Vol. 5, pp. 12570-1-12570-7 (2015). [Link]
R. Hikata, K. Tsuruta, A. Ishikawa, and K. Fujimori,
“Terahertz acoustic wave on piezoelectric semiconductor film via large-scale molecular dynamics simulation,”
Japanese Journal of Applied Physics Vol. 54, No. 7S1, pp. 07HB07-1-07HB07-4 (2015). [Link]
Z. Gu, T. Amemiya, A. Ishikawa, Y. Atsumi, J. H. Kang, Y. Hayashi, J. Suzuki, E. Murai, T. Hiratani, N. Nishiyama, T. Tanaka, and S. Arai,
“Investigation of optical interconnection using photonic wire bonding,”
Journal of Laser Micro/Nanoengineering Vol. 10, No. 2, pp. 148-153 (2015). [Link]
T. Amemiya, A. Ishikawa, T. Kanazawa, S. Myoga, T. Shindo, J.-H. Kang, N. Nishiyama, Y. Miyamoto, T. Tanaka, and S. Arai,
“Permeability-controlled optical modulator with tri-gate metamaterial: control of permeability on InP-based photonic integration platform,”
Scientific Reports Vol. 5, pp. 8985-1-8985-8 (2015). [Link]
A. Ishikawa, T. Amemiya, Y. Shoji, P. N. Hai, M. Tanaka, T. Mizumoto, S. Arai, and T. Tanaka,
“Optical and magnetic microstructures in YIG ferrite fabricated by femtosecond laser,”
Journal of Laser Micro/Nanoengineering Vol. 10, No. 1, pp. 48-52 (2015). [Link]
C.-C. Chen*, A. Ishikawa* (* equally contributed), Y.-H. Tang, M.-H. Shiao, D. P. Tsai, and T. Tanaka*,
“Uniaxial-isotropic metamaterials by three-dimensional split-ring resonators,”
Advanced Optical Materials Vol. 3, Issue 1, pp. 44-48 (2015). [Link]
*This work has been highlighted by several articles, including Nature Vol. 515, Issue 7525, pp. 10 (2015).
*This work has been selected as one of the best papers of Advanced Optical Materials in 2015. [Link]
2014
Kazuya Tsubouchi, Atsushi Ishikawa, Kazuhiro Fujimori, and Kenji Tsuruta,
"Design and Visualization of Ultrasonic Wave in Phononic Structure for Efficient Energy Transmission"
Proceedings of Symposium on Ultrasonic Electronics (USE2014) Vol. 35, pp.225-226 (2014).
Ryo Hikata, Kenji Tsuruta, Atsushi Ishikawa, and Kazuhiro Fujimori,
"Terahertz Acoustic Wave on Piezoelectric Semiconductor Film via Large-Scale Molecular Dynamics Simulation"
Proceedings of Symposium on Ultrasonic Electronics (USE2014) Vol. 35, pp.401-402 (2014).
Takafumi Ogawa, Akihide Kuwabara, Craig A. J. Fisher, Hiroyuki Moriwake, Katsuyuki Matsubara, Kenji Tsuruta, Satoshi Kitaoka,
"A density functional study of vacancy formation in grain boundaries of undoped alpha-alimina"
Acta Materiallia Vol. 69,pp.365-371(2014).
Kenji Tsuruta, Eita Tochigi, Yuki Kezuka, Kazuaki Takata, Naoya Shibata, Atsutomo Nakamura, Yuichi Ikuhara,
"Core structure and dissociation energetics of basal edge dislocation in alpha-Al2O3: A combined atomistic simulation and
transmission electron microscopy analysis"
Acta Materiallia Vol. 65,pp.76-84(2014).
Yusuke Kanno, Kenji Tsuruta, Kazuhiro Fujimori, Hideki Fukano, Shigeji Nogi,
"Photoni-Crystal Acoustic Lens by Design for Energy-Transmission Devices"
Electronics and Communications in Japan Vol. 97 (No.1),pp.22-27(2014).
2013
Hideki Fukano, Takeshi Shinagawa, Kenji Tsuruta,
"Optically Powered Voltage Supply Device for Effective Utilization of Optical Energy in the Fiber-tothe-Home Network"
Electronics and Communications in Japan Vol. 96 (No.10),pp.37-42(2013).
Yuki Hori, Kazuhiro Fujimori, Kenji Tsuruta, Shigeji Nogi,
"Design and Development of Highly Efficient Transducer for Ultrasonic Wireless Poewer Transmission System"
Electrical Engineering in Japan Vol. 184,pp.27-35(2013).
2012
Kazuhiro Fujimori, Shota Tominaga, Koichiro Tanda, Kenji Tsuruta, Shigeji Nogi,
"Frequency Characteristic of Transmission Efficiency Dependent on Matching Condition of Transducer in Ultrasonic Wireless Power Transmission System"
Proc. 2012 International Symposium on Antennas and Propagation (ISAP2012), pp.166-169 .2012.
Kazuhiro Fujimori, Teruhiko Wagi, Kenji Tsuruta, Shigeji Nogi, Yuichiro Ozawa, Minoru Furukawa, Teruo Fujiwara,
"Characteristic of RF-DC Conversion Circuit for Wireless Power Transmission using the Low Resistance GaN Schottky Barrier Diode"
Proc. 2012 International Symposium on Antennas and Propagation (ISAP2012), pp.190-193.2012.
Yoshihiro Kondo, Kazuhiro Fujimori, Kenji Tsuruta, Shigeji Nogi, Yuichiro Ozawa, Minoru Furukawa, Teruo Fujiwara,
"An Investigation for Optimum Design of Matching Circuit in Highly Efficient RF-DC Conversion Circuit by Genetic Algorithm"
Proc. 2012 International Symposium on Antennas and Propagation (ISAP2012), pp.194-197.2012.
K. Takata, K. Tsuruta, T. Ogawa, and H. Iyetomi,
"Interaction between Atomic Vacancies in Crystalline Si Wafer: A Tight-binding Molecular Dynamics Study"
Trans. Meter. Res. Soc. J., Vol. 37, No. 2, pp. 143-146, 2012.
K. Takata, A. Hayashi, K. Tsuruta,
"Large-scale Molecular Dynamics on Screw Dislocation in Alumina"
AMTC Lett. (International Journal of Advanced Microscopy and Theoretical Calculations), Vol. 3, pp.132-133, 2012.
Shuji Taue, Yoshiki Matsumoto, Hideki Fukano, and Kenji Tsuruta
"Experimental Analysis of Optical Fiber Multimode Interference Structure and its Application to Refractive Index Measurement"
Jpn. J. Appl. Phys. Vol. 51, 04DG14(4pages), 2012.
菅野祐輔，鶴田健二，藤森和博，深野秀樹，野木茂次,
"超音波エネルギー伝送デバイスを目指したフォノニック結晶による音響レンズの設計"
電気学会論文誌Ｃ（IEEJ Trans. EIS）, Vol. 132, No. 5, pp. 586-690, 2012.
深野秀樹, 品川勇志, 鶴田健二,
"光通信エネルギーの有効活用のための光給電デバイス"
電気学会論文誌Ｃ（IEEJ Trans. EIS）, Vol. 132, No. 4, pp. 495-499, 2012.
堀 祐貴，藤森和博，鶴田健二，野木茂次,
"超音波無線電力伝送のための高効率なトランスデューサの設計と開発"
電気学会論文誌Ｃ（IEEJ Trans. EIS）, Vol. 132, No. 3, pp. 337-343, 2012.
2011
Y. Hori, Y. Shigeta, K. Fujimori, K. Tsuruta, S. Nogi,
"Design of Anti-Resonance Transducer and its Abilities for Efficient Ultrasonic Wireless Power Transmission System"
Proc. 41st Europian Microwave Conf. , pp.67-70, 2011.
K. Fujimori, S. Tamaru, K. Tsuruta, S. Nogi,
"The Influences of Diode Parameters on Conversion Efficiency of RFDC Conversion Circuit for Wireless Power Transmission System"
Proc. 41st Europian Microwave Conf. , pp.57-60, 2011.
Yosuke Inagaki and Kenji Tsuruta,
"Diffusion Processes of Lithium Atom in Carbon-based Anode Material for Lithium-ion Secondary Battery: An Ab initio Study"
The 28th Japan-Korea International Seminar on Ceramics, pp.304-305, 2011.
K. Takata, A. Hayashi, and K. Tsuruta,
"Large-scale Molecular Dynamics Study of Dislocations in Alumina, Kazuaki"
The 28th Japan-Korea International Seminar on Ceramics, pp.287-288, 2011.
T. Shimizu, K. Tsuruta, and H. Fukano,
"Ab-initio Simulation for Structure and Optical Response of Gemini-HBC"
The 28th Japan-Korea International Seminar on Ceramics, pp.269-270, 2011.
T. Ogawa, K. Tsuruta, H. Iyetomi,
"An ab initio analysis of electronic states associated with a silicon vacancy in cubic symmetry"
Sol. Stat. Comm. Vol. 151, No. 21, pp.1605-1608, 2011.
Munemasa Tomita and Kenji Tsuruta,
"Molecular Dynamics Study on Dielectric Properties of Silicon Oxynitride:Composition and Microstructure Dependence"
Key Engineering Materials, Vol. 485, pp.287-290, 2011.
Yuuki Kasai, Kenji Tsuruta, Kazuhiro Fujimori, Hideki Fukano, Shigeji Nogi,
"Negative Refraction and Energy-Transmission Efficiency of Acoustic Waves in Two-Dimensional Ohononic Crystal: Numerical and Experimental Study"
Jpn. J. Appl. Phys. Vol. 50, No. 6, 067301(6pages), 2011.
Y. Kanno, Y. Kasai, K. Tsuruta, K. Fujimori, H. Fukano, S. Nogi,
"Acoustic Lens using Sonic Crystal for Energy-Transmission Application"
Proc. IEEE IMWS-IWPT2011, pp.207-210, 2011.
Y. Shigeta, Y. Hori, K. Fujimori, K. Tsuruta, S. Nogi,
"Development of highly efficient transducer for wireless power transmission system by ultrasonic"
Proc. IEEE IMWS-IWPT2011, pp.171-174, 2011.
Fusanori Hamasaki and Kenji Tsuruta,
"Structures and Local Electronic States of Dislocation Loop in 4H-SiC via a Linear-Scaling Tight-Binding Study"
Mater. Trans., Vol. 52, No. 4, pp.672-676, 2011.
Kenji Tsuruta,
"Initial Stage of Consolidation of Silicon-Carbide Nanocrystals under Pressure: A Tight-Binding Molecular-Dynamics Study"
J. Nanomater.., Vol. 2011, 308495 (6pages), 2011.
2010
K. Tsuruta, S. Nagai, R. Umeda, T. Kurose, and N. Maetani,
"Parallel FDTD simulations on optical and acoustic metamaterials"
Mater. Res. Symp Proc., Vol. 1223, 1223-EE06 (6pages), 2011.
T. Ogawa, K. Tsuruta, H. Iyetomi, Y. Nemoto, H. Yamada-Kaneta, and T. Goto,
"Ab-initio evaluation of quadrupole moment associated with silicon mono-vacancy"
Proc. Forum on the Sci. & Technol. Silicon Materials 2010, pp.342-347, 2011.
T. Ogawa, K. Tsuruta, H. Iyetomi, H. Yamada-Kaneta, and T. Goto,
"Density-Functional Analysis on Vacancy Orbital and its Elastic Response of Silicon"
Mater. Res. Symp Proc., Vol. 1195, 1195-B08 (6pages), 2011.
2009
T. Miyake, K. Nakanishi, C. Totsuji, K. Tsuruta, H. Totsuji,
"Finite Two-Dimensional Systems of Electrons at Zero and Finite Temperatures: Simulations Based on Classical Map Hypernetted Chain (CHNC) Method"
J. Plasma and Fusion Research SERIES., Vol. 8, pp.963-966, 2009.
K. Tsuruta, T. Koyama, and S. Ogata,
"Classical and Hybrid Density-Functional/Classical Molecular Dynamics Study of Dislocation Core in Alumina Ceramic"
Mater. Trans., Vol. 50, No. 5, pp1015-1018, 2009.
T. Kurose, K. Tsuruta, C. Totsuji and H. Totsuji,
"Negative Refraction of Acoustic Waves in a Two-Dimensional Phononic Crystal via FDTD Simulation"
Mater. Trans., Vol. 50, No. 5, pp1004-1007, 2009.
R. Umeda, C. Totsuji, K. Tsuruta and H. Totsuji,
"An FDTD Analysis of Nanostructured Electromagnetic Metamaterials Using Parallel Computer"
Mater. Trans., Vol. 50, No. 5, pp.994-998, 2009.
T. Miyake, C. Totsuji, K. Nakanishi, K. Tsuruta, H. Totsuji,
"A classical-map simulation of two-dimensional electron fluid: an extension of classical-map hypernetted-chain theory beyond the hypernetted-chain approximation"
J. Phys. Condens. Matter, Vol. 21, No. 4, 045502 (7 pages), 2009.
Before 2009