Papers

  1. Ryo Yokogawa, Yasutomo Arai, Ichiro Yonenaga, Motohiro Tomita, Sylvia Yuk Yee Chung, Hiroshi Uchiyama, Takanobu Watanabe, Atsushi Ogura, “Behavior of acoustic phonon spectral line-width of bulk silicon-germanium observed by inelastic x-ray scattering,” Applied Physics Letter, Vol.121, 082105 (2022). doi: 10.1063/5.0095774
  2. Masashi Kurosawa , Masaya Nakata, Tianzhuo Zhan, Motohiro Tomita, Takanobu Watanabe, Osamu Nakatsuka, “Sn-incorporation effect on thermoelectric properties of Sb-doped Ge-rich Ge1−x−ySixSny epitaxial layers grown on GaAs(001),” Japanese Journal of Applied Physics Vol.61, 085502 (2022) . doi/10.35848/1347-4065/ac7bc7
  3. Tianzhuo Zhan, Keita Sahara, Haruki Takeuchi, Ryo Yokogawa, Kaito Oda, Zhicheng Jin, Shikang Deng, Motohiro Tomita, Yen-Ju Wu, Yibin Xu, Takeo Matsuki, Haidong Wang, Mengjie Song, Sujun Guan, Atsushi Ogura, and Takanobu Watanabe, “Modification and Characterization of Interfacial Bonding for Thermal Management of Ruthenium Interconnects in Next-Generation Very-Large-Scale Integration Circuits,” ACS Applied Materials and Interfaces Vol.14, pp.7392-7404 (2022). doi/10.1021/acsami.1c20366
  4. Md Mehdee Hasan Mahfuz, Motohiro Tomita, Kazuaki Katayama, Tsubasa Kashizaki, Katsuk Abe, Takumi Hoshina, Takeo Matsuki, Takanobu Watanabe, “Performance demonstration of cavity-free planar multi-stage bileg and unileg silicon-nanowire thermoelectric generators,”  Japanese Journal of Applied Physics Vol. 61, SC1062 (2022). doi/10.35848/1347-4065/ac4619
  5. Tsubasa Kashizaki, Motohiro Tomita, Kazuaki Katayama, Takumi Hoshina, Takeo Matsuki,  Sylvia Chung, Takanobu Watanabe, “Effect of metal heat guide structure on the performance of planar Si thermoelectric generator embedded in SiO2 inter-layer dielectric,” Japanese Journal of Applied Physics Vol. 61, SC1017 (2022). doi/10.35848/1347-4065/ac3eb8
  6. (Featured Article) Sylvia Yuk Yee Chung, Motohiro Tomita, Ryo Yokogawa, Atsushi Ogura, Takanobu Watanabe, “Atomic Mass Dependency of a Localized Phonon Mode in SiGe Alloys,” AIP Advances Vol.11, 115225 (2021). doi.org/10.1063/5.0071699
  7. (Proceedings, Best Presenter Award) Hiroshi Inokawa, Yuto Goi, Yoshiaki Yorigami, Kyohei Shirotori, Hiroaki Satoh, Motohiro Tomita, Takeo Matsuki, Hiroya Ikeda, Takanobu Watanabe, “Substrate Bias Effect on SOI-based Thermoelectric Power Generator,” International Conference on QiR (Quality in Research), (2021).
  8. (Featured Article, Front Cover Paper) Sylvia Yuk Yee Chung, Motohiro Tomita, Junya Takizawa, Ryo Yokogawa, Atsushi Ogura, Haidong Wang and Takanobu Watanabe, “Dependency of a localized phonon mode intensity on compositional cluster size in SiGe alloys, ” AIP Advances Vol. 11, 075017 (2021). doi.org/10.1063/5.0055307
  9. Ryohei Yamaguchi, Taiki Ishii, Masamichi Matsumoto, Angana Borah, Naoki Tanaka, Kaito Oda, Motohiro Tomita, Takanobu Watanabe, and Tsuyohiko Fujigaya “Thermal Deposition Method for p–n Patterning of Carbon Nanotube Sheets for Planar-type Thermoelectric Generator,” Journal of Materials Chemistry A, Vol.9, pp.12188-12195, (2021). doi.org/10.1039/D1TA02206G
  10. Tsuyohiko Fujigaya, Masamichi Matsumoto, Keisuke Shima, Ryohei Yamaguchi, Masakazu Mukaida, Motohiro Tomita, Takao Ishida, Takanobu Watanabe, “Control of Anisotropic Conduction of Carbon Nanotube Sheets and Their Use as Planar-type Thermoelectric Conversion Materials,” Science and Technology of Advanced Materials (STAM), Vol.22, pp.272-279, (2021). doi.org/10.1080/14686996.2021.1902243
  11. Taichi Nozawa, Keita Nakamura, Ryosuke Katsuyama, Syunki Kuwajima, Ziyan Li, Akira Nomizu, Riku Okamoto, Toshitatsu Munakata and Takanobu Watanabe, “The WiFly: Flapping-wing Small Unmanned Aerial Vehicle with Centre-of-Gravity Shift Mechanism,”  Journal of Robotics and Mechatronics, Vol.33, No.2, pp.205-215 (2021). doi.org/10.20965/jrm.2021.p0205
  12. Md Mehdee Hasan Mahfuz, Motohiro Tomita, Shuhei Hirao, Kazuaki Katayama, Kaito Oda, Takashi Matsukawa, Takeo Matsuki, Takanobu Watanabe, “Designing bileg silicon-nanowire thermoelectric generator with cavity-free structure,” Japanese Journal of Applied Physics, Vol. 60, SBBF07 (2021). doi.org/10.35848/1347-4065/abd9d0
  13. Jianbo Liang,  Yuji Nakamura,  Tianzhuo Zhan, Yutaka Ohno, Yasuo Shimizu, Kazu Katayama, Takanobu Watanabe, Hideto Yoshida, Yasuyoshi Nagai, Hongxing Wang, Makoto Kasu, Naoteru Shigekawa, “Fabrication of high-quality GaAs/diamond heterointerface for thermal management applications,” Diamond and Related Materials, Vol. 111, 108207 (2021). doi.org/10.1016/j.diamond.2020.108207
  14. Sylvia Yuk Yee Chung, Motohiro Tomita, Ryo Yokogawa, Atsushi Ogura, and Takanobu Watanabe, “Observation of an Unidentified Phonon Peak in SiGe Alloys and Superlattices Using Molecular Dynamics,” ECS Transactions, Vol. 98, 533-546 (2020). doi.org/10.1149/09805.0533ecst