PUBLICATION

  1. Possibilities and Challenges of Superconducting Qubits in the Intrinsic Josephson Junctions, Haruhisa Kitano, IEICE Transactions on Electronics E106-C, 293 - 300 (2023).
  2. Focused ion beam microfabrication of single-crystalnanobridge toward Fe(Te,Se)-based Josephson device, Takamaro Miyazawa, Naoki Tadokoro, Shumpei Horikawa, Tsuyoshi Tamegai,Yue Sun and Haruhisa Kitano, Journal of Physics: Conference Series 1975, 012010-1 - 012010-7 (2021).
  3. Comparative study of superconducting and normal-state anisotropy in Fe1+yTe0.6Se0.4 superconductors with controlled amounts of interstitial excess Fe, Yue Sun, Yongqiang Pan, Nan Zhou, Xiangzhuo Xing, Zhixiang Shi, Jinhua Wang, Zengwei Zhu, Akira Sugimoto, Toshikazu Ekino, Tsuyoshi Tamegai, and Haruhisa Kitano, Phys. Rev. B 103, 224506-1 - 224506-8 (2021).
  4. Achieving the depairing limit along c-axis in Fe1+yTe1-xSex single crystals, Yue Sun, Haruka Ohnuma, Shin-ya Ayukawa, Takashi Noji, Yoji Koike, Tsuyoshi Tamegai, Haruhisa Kitano, Phys. Rev. B 101, 134516-1 - 134516-7 (2020).
  5. Comparative Study of First and Second Switches with Nearly Identical Switching Current in Bi2Sr2Ca0.85Y0.15Cu2Oy Intrinsic Josephson Junctions, Ayami Yamaguchi, Haruka Ohnuma, Yuji Watabe, Shumpei Umegai, Kazutaka Hosaka, and Haruhisa Kitano, J. Phys. Soc. Jpn. 88, 103704-1 - 073702-5 (2019).
  6. Fabrications of Small and High-quality Intrinsic Josephson Junctions by Combinatorial Method of Ar-ion and Focused Ga-ion Etchings, Shumpei Umegai, Ayami Yamaguchi, Yoshihiro Kakizaki, Daiki Kakehi and Haruhisa Kitano, Journal of Physics: Conference Series 1054, 012030-1 - 012030-6 (2018).
  7. Dynamics of Phase Switch in the Intrinsic Josephson Junctions Made of Bi2212 with Perfectly-stoichiometric Cation Compositions, Yuji Watabe, Shumpei Umegai, Haruka Ohnuma, Ayami Yamaguchi, Jun-ichi Shimoyama, and Haruhisa Kitano, Journal of Physics: Conference Series 1054, 012031-1 - 012030-7 (2018).
  8. Enhancement of macroscopic quantum tunneling in the higher-order phase switches of Bi2212 intrinsic Josephson junctions, Haruhisa Kitano, Ayami Yamaguchi, Yusaku Takahashi, Shunpei Umegai, Yuji Watabe, Haruka Ohnuma, Kazutaka Hosaka, and Daiki Kakehi, Journal of Physics: Conference Series 969, 012065-1 - 012065-6 (2018).
  9. Application of electrochemical method to microfabricated region in single-crystal device of FeSe1-xTex superconductors, Kazuhiro Okada, Tomohiro Takagi, Masahiro Kobayashi, Haruka Ohnuma, Takashi Noji, Yoji Koike, Shin-ya Ayukawa and Haruhisa Kitano, Japanese Journal of Applied Physics 57, 040305-1 - 040305-3 (2018).
  10. Study of microwave-induced phase switches from the finite voltage state in Bi2Sr2CaCu2Oy intrinsic Josephson junctions, Haruhisa Kitano, Ayami Yamaguchi, Yusaku Takahashi, Daiki Kakehi and Shin-ya Ayukawa, Journal of Physics: Conference Series 871, 012008-1 - 012008-7 (2017).
  11. Transmission electron microscopy study of focused ion beam damage in small intrinsic Josephson junctions of single crystalline Bi2Sr2CaCu2Oy, Yoshihiro Kakizaki, Junpei Koyama, Ayami Yamaguchi, Shunpei Umegai, Shin-ya Ayukawa, and Haruhisa Kitano, Japanese Journal of Applied Physics 56, 043101-1 - 043101-5 (2017).
  12. Resonant Phase Escape from the First Resistive State of Bi2Sr2CaCu2Oy Intrinsic Josephson Junctions under Strong Microwave Irradiation, Yusaku Takahashi, Daiki Kakehi, Shuho Takekoshi, Kazuki Ishikawa, Shin-ya Ayukawa, and Haruhisa Kitano, J. Phys. Soc. Jpn. 85, 073702-1 - 073702-4 (2016).
  13. Increase of Phase Retrapping Effects in the Switching Rate from the Finite Voltage State of the Underdamped Intrinsic Josephson Junctions, Haruhisa Kitano, Yusaku Takahashi, Daiki Kakehi, Hikaru Yamaguchi, Shin-ichiro Koizumi, and Shin-ya Ayukawa, J. Phys. Soc. Jpn. 85, 054703-1 - 054703-6 (2016).
  14. Dissipation Effects of the Phase in Higher Order Switching Events of Intrinsic Josephson Junctions, Daiki Kakehi, Yusaku Takahashi, Hikaru Yamaguchi, Shin-ichiro Koizumi, Shin-ya Ayukawa and Haruhisa Kitano, IEEE Transactions on Applied Superconductivity, 26, 1800204-1 - 1800204-4 (2016).
  15. C-axis I-V characteristics of Fe(Se,Te) single crystals as intrinsic Josephson junction stacks, S. Ayukawa, H. Kitano, T. Noji, Y. Koike, JPS Conf. Proc. 1, 012123 (2014).
  16. Effects of junction geometry in crossover temperature to macroscopic quantum tunneling regime of intrinsic Josephson junctions , H. Kitano, K. Ishikawa, S. Takekoshi, K. Ota, A. Maeda, Physica C: Superconductivity, 471, 1210-1213 (2011).
  17. Switching-current distribution in underdoped La2-xSrxCuO4 intrinsic Josephson junctions, H. Kitano, K. Ota, K. Ishikawa, M. Itoi, Y. Imai, A. Maeda, Physica C: Superconductivity, 470, S838-S839 (2010).
  18. Comparative study of macroscopic quantum tunneling in Bi2Sr2CaCu2Oy intrinsic Josephson junctions with different device structures, K. Ota, K. Hamada, R. Takemura, M. Ohmaki, T. Machi, K. Tanabe, M. Suzuki, A. Maeda, and H. Kitano, Phys. Rev. B 79, 134505 (2009).

  19. Macroscopic quantum tunneling and thermal activation in a small mesa structured Bi2Sr2CaCu2Oy intrinsic Josephson junctions, H. Kitano, K. Ota, K. Hamada, R. Takemura, M. Ohmaki, A. Maeda, and M. Suzuki, Journal of Physics: Conference Series 150, 052110 (2009).

  20. Comparison between the first- and the second-junction switchings in a small stack of Bi2Sr2CaCu2Oy intrinsic Josephson junctions, K. Ota, A. Maeda, T. Machi, K. Tanabe and H. Kitano, Journal of Physics: Conference Series 150, 052205 (2009).

  21. Study of switching events from the zero-voltage state of Bi2212 intrinsic Josephson junctions, H. Kitano, K. Ota, A. Maeda, Supercond. Sci. Technol. 20, S68 (2007).

  22. Switching current distribution in large Bi2Sr2CaCu2Oy intrinsic Josephson junctions, H. Kitano, K. Ota, and A. Maeda, Physica C 460-462, 1483 (2007).

  23. Escape rate from the zero-voltage state in the intrinsic Josephson junctions of Bi2Sr2CaCu2Oy, , K. Ota, H. Kitano, A. Maeda, Proc. ISS2005, Physica C 445-448 (2006) 955-958.

  24. Superconducting cavity resonator with a metallic tip for realizing strong coupling between superconducting qubits and microwave photons, H. Kitano, K. Ota, A. Maeda, Proc. LT24, American Institute of Physics Conference Proceedings, vol. 850 (2006) 943-944.

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