"Chaotic behavior in Josephson junction for high-quality random-number generation"; D. Oikawa, H. Komatsu, K. Tsuzuki, H. Andoh, T. Tsukamoto
Journal of Applied Physics Vol. 136(12) pp. 123909 1-6 (2024).
"BSCCO Terahertz Oscillators Controlled With Additional Heaters"; D. Oikawa, E. Dorsch, S. Guénon, D. Koelle, R. Kleiner, IEEE Trans. Appl. Supercond. Vol.34(4), 1100205 pp. 1-5 (2024).
"Study of Superconducting System Under Hydrogen Demand for Carbon Neutral Port"; K. Tsuzuki, S. Yamada, Y. Matsumoto, D. Oikawa, T. Tsukamoto, IEEE Trans. Appl. Supercond. Vol.34(4), 3601804, pp. 1-5 (2024).
"Improvement of Non-Uniform Temperature Distributions in Intrinsic Josephson Junction Stacks"; Dai Oikawa, Keita Tsuzuki, Yuki Kumagai, Haruki Mitarai, Hiroya Andoh, Toko Sugiura, Takehiko Tsukamoto, IEEE Trans. Appl. Supercond. Vol.31(5), 1500304 pp. 1-4 (2021).
"Numerical analysis of temperature and current distributions in large-size intrinsic Josephson junctions with self-heating"; Dai Oikawa, Haruki Mitarai, Hiromi Tanaka, Keita Tsuzuki, Yuki Kumagai, Toko Sugiura, Hiroya Andoh, Takehiko Tsukamoto, AIP Advances Vol.10(8), pp. 085113 1-5 (2020).
"Design of Bulk HTS Rotating Machine Using Closed-Circuit Magnetization"; Keita Tsuzuki, Yunosuke Suzuki, Sho Yamamura, Shun Kadowaki, Dai Oikawa, Hiroya Andoh, Takehiko Tsukamoto, IEEE Trans. Appl. Supercond. Vol.29(5), 1-5, (2019).
"Study on impedance matching and maximum wireless power transfer efficiency of circuits with resonant coupling based on simplified S-matrix"; Hiroya Andoh, Keita Tsuzuki, Dai Oikawa, Toko Sugiura, Takehiko Tsukamoto, and Koichi Maezawa, IEICE Electronics Express, Vol.16(11) 20190156, pp.1-4.(2019).
"Raman Spectroscopic Study of GaN Grown on (111)Si Using an AlInN Intermediate Layer by MOVPE"; T.Sugiura, S.Kawasaki, Y.Honda, T.Nonaka, D.Oikawa, T.Tsukamoto, H.Andoh, H.Amano, Book of abstracts ISGN-7(7th International Symposium on Growth of IIINitrides) Po01 (2018).
"Experimental Evaluation of Self-Heating Effect in Intrinsic Josephson Junctions Using Pulse Current Measurements", Dai Oikawa, Hiromi Tanaka, Keita Tsuzuki, Hiroya Andoh, Toko Sugiura, and Takehiko Tsukamoto IEEE Trans. Appl. Supercond. Vol.27(4) 9001005, pp.1-5 (2017)
"Heating Effect of Mesa-Type Intrinsic Josephson Junction Stacks using Pulse Current Measurement", Dai Oikawa, Shinya Iwatsuka, Toko Sugiura, Hiroya Andoh, Takehiko Tsukamoto, Physics Procedia Vol.81, pp.137-140 (2016).
"Evaluation of Heating effect in Mesa-type Intrinsic Josephson Junctions Using Pulse Current Measurement Technique"; S. Iwatsuka, D. Oikawa, T. Sugiura, H. Andoh, T. Tsukamoto, Proc. 5th International Symposium on Technology for Sustainability, Shah Alam, Paper ID:16 (2015).
"Transport Properties of Melt-Cast-Processed Bi-2212 Bulk Superconductor" Dai Oikawa, Yu Higashi, Hideaki Murotani, Toko Sugiura, Hiroya Andoh and Takehiko Tsukamoto, IEEE Trans. Appl. Supercond., Vol.25(3), 6800304 , pp.1-4 (2015).
"Evaluation of self-heating effect in Bi-2212 intrinsic Josephson junctions stacks"; D. Oikawa, H. Murotani, T. Sugiura, H. Andoh, T. Tsukamoto, Applied Superconductivity Conference (2014)
"Size Dependence of Terahertz Electromagnetic Wave Radiation from Intrinsic Josephson Junctions"; Dai Oikawa, Akinobu Irie, Kazuhiro Yamaki, IEEE Trans. Appl. Supercond. Vol. 23(3), pp.15000604-15000607 (2013).
"Synthesis of BSCCO single crystal whiskers for terahertz em wave oscillators"; Kazuhiro Yamaki, Ryosuke Fusegi, Dai Oikawa, Akinobu Irie, IEEE Trans. Appl. Supercond. Vol. 23(3) pp.15000504-15000507 (2013).
“Terahertz electromagnetic radiation from Bi2 Sr2 CaCu2 Oy intrinsic Josephson junction stack”, Dai Oikawa, Akinobu Irie, Kazuhiro Yamaki and Gin-ichiro Oya, Physics Procedia vol.27, pp.312-315 (2012).
"Thermionic energy converter system using heat flux in divertor region"; Dai Oikawa, Noriyasu Ohno, Shin Kajita, Makoto Takagi, Suguru Masuzaki, Masayuki Tokitani, Kazuhito Asano, Plasma and Fusion Research Vol.7 1405050m 1-8 (2012)
"Generation and detection of THz radiation using intrinsic Josephson junctions", Akinobu Irie, Dai Oikawa, Gin-ichiro Oya, Superconductivity Centlal Conference 2011 36 199-204 (2012).
"Terahertz electromagnetic radiation from Bi2Sr2CaCu2Oy intrinsic Josephson junction stack"; Dai Oikawa, Akinobu Irie, Kazuhiro Yamaki, Gin-ichiro Oya, Advances in Superconductivity XXIV 27 pp.312-315 (2012).
“Generation and detection of THz radiation using intrinsic Josephson junctions”,Akinobu Irie, Dai Oikawa and Gin-ichiro Oya, Physics Procedia, Vol.36, pp.199-204 (2012)
"2-D PIC Simulation on Electron Sheath Formation in Magnetized Plasmas"; Kazuhito Asano, Shin Kajita, Dai Oikawa, Noriyasu Ohno, Journal of Plasma and Fusion Research Series Vol.9 pp.563-567 (2010).
編集中
国際会議
"Bi2Sr2CaCu2Oy Terahertz Oscillators Controlled With Additional Heaters"; D. Oikawa, E. Dorsch, S. Guénon, D. Koelle, R. Kleiner, 16th European Conference on Applied Superconductivity (EUCAS2023), 2-EP-JJ-13S, Bologna, (2023).
"Synchronization of intrinsic Josephson junctions in terahertz electromagnetic wave oscillators with non‐uniform temperature distributions", Dai Oikawa, Keita Tsuzuki, Yuki Kumagai, Haruki Mitarai, Hiroya Andoh, Toko Sugiura, Takehiko Tsukamoto, the 15th European Conference on Applied Superconductivity (EUCAS2021), #320, (Moskva) virtual (2021).
"Experimental study on magnetic field distribution of high temperature superconducting stacked‐tape curved magnet for rotating machine", Keita Tsuzuki, Dai, Oikawa, Hiroya Andoh, Takehiko Tsukamoto, the 15th European Conference on Applied Superconductivity (EUCAS2021), #573, (Moskva) virtual (2021).
"Enhancement of Trapped Flux Property using Stacked 12 mm Gd123 Tape for Field-pole Magnet", Takahiro Iwatsuki, Keita Tsuzuki, Norihito Kambe, Dai Oikawa, Takehiko Tsukamoto, Hiroya Andoh, 33th International symposium on Superconductivity, WB6-3, Fukuoka, (2020).
"Study of Decision-Making Algorithm using Monte Carlo Tree Search for RoboCup Soccer Small Size Robots", Y. Naito, T. Sugiura, M. Watanabe, D. Oikawa, T. Tsukamoto, H. Andoh, International Conference on Engineering and Industrial Technology (ICEIT2020), Pattaya Thailand, P71-T4A (2020).
"Application of Artificial Voice to the Game Reporter System in RoboCup Soccer Small Size League", A. Odanaka, T. Sugiura, D. Oikawa, T. Tsukamoto, H. Andoh, International Conference on Engineering and Industrial Technology (ICEIT2020), Pattaya Thailand, P74-T4A (2020).
"Non-Uniform Temperature Distributions in Intrinsic Josephson Junction Stacks", Dai Oikawa, Keita Tsuzuki, Yuki Kumagai, Haruki Mitarai, Hiroya Andoh, Toko Sugiura, Takehiko Tsukamoto, Applied Superconductivity Conference 2020., Wk2EPo3B-07, (Tampa) virtual (2020).
“Evaluation of 2G Magnetizing coil and stacked field-pole for Fully HTS Radial Machines”, Keita Tsuzuki, Shun Kadowaki, Takahiro Iwatsuki, Dai Oikawa, Hiroya Andoh, Takehiko Tsukamoto, Applied Superconductivity Conference 2020., Wk1LPo3E-08, (Tampa) virtual (2020)
"Impedance matching based on simplified S-matrix for maximizing wireless power transfer efficiency", H. Andoh, K. Tsuzuki, D. Oikawa, T. Sugiura, T. Tsukamoto, K. Maezawa, International Conference on Engineering and Industrial Technology 2020, P86-T4A (2020).
"Raman Spectroscopic Study of GaN Grown on (111)Si Using an AlInN Intermediate Layer by MOVPE", T. Sugiura, S. Kawasaki, Y. Honda, T. Nonaka, D. Oikawa, T. Tsukamoto, H. Andoh and H. Amano, 7th International Symposium on Growth of IIINitrides, Warsaw, Po01, (2018).
“Study of Closed-Circuit Magnetization with Trapezoidal-shaped Bi2223 Winding for Rotating Machin”, Keita Tsuzuki, Yunosuke Suzuki, Sho Yamamura, Shun Kadowaki, Dai Oikawa, Hiroya Andoh, Takehiko Tsukamoto, Applied Superconductivity Conference 2018., 1LPo2K-08, Seattle (2018).
“Raman Spectroscopic Study of GaN Grown on (111)Si Using an AlInN In- termediate Layer by MOVPE”, Toko Sugiura, Sho Kawasaki, Y.Honda, T.Nonaka, Dai Oikawa, Takehiko Tsukamoto, Hiroya Andoh, Hiroshi Amano, Book of abstracts ISGN-7(7th International Symposium on Growth of IIINitrides) Po01 (2018).
“Experimental Evaluation of Self-heating Effect in Intrinsic Josephson Junctions using Pulse Current Measurement”, Dai Oikawa, Hiroya Andoh, Toko Sugiura, Takehiko Tsukamoto, Applied Superconductivity Conference 2016, 4EPo1E-01, Denver (2016)[invited]
“Effect of Pr Additions to Li-doped Bi2212 Bulk Superconductors Sintered at Low Temperature”, Akihiro Miura, Dai Oikawa, Hiroya Andoh, Toko Sugiura, Takehiko Tsukamoto, International Superconductivity Symposium 2015, PCP-54Funabori (2015).
“Heating Effect of Mesa- Type Intrinsic Josephson Junction Stacks using Pulse Current Measurement”, Dai Oikawa, Toko Sugiura, Hiroya Andoh and Takehiko Tsukamoto, International Superconductivity Symposium 2015, FDP-09, Funabori (2015).
"Quench Properties of Bi-2212 Bulk Superconductors Doped with K2CO3 Using Melt Casting Process", D. Oikawa, Y. Shimoie, T. Sugiura, H. Andoh, T. Tsukamoto, International Superconductivity Symposium 2015, PCP-53, Funabori (2015).
"Evaluation of Heating effect in Mesa- type Intrinsic Josephson Junctions Using Pulse Current Measurement Technique", S. Iwatsuka, D. Oikawa, T. Sugiura, H. Andoh, T. Tsukamoto, 5th International Symposium on Technology for Sustainability, Shah Alam, Paper ID:16 (2015).
"Transport Properties of Melt Cast Pro-cessed Bi2212 Bulk Superconductor Bars", D. Oikawa, Y. Higashi, H. Murotani, T. Sugiura, H. Andoh, T. Tsukamoto, Applied Superconductivity Conference 2014, Charlotte, (2014).
"Evaluation of self-heating effect in Bi-2212 intrinsic Josephson junctions stacks", D. Oikawa, H. Murotani, T. Sugiura, H. Andoh, T. Tsukamoto, Applied Superconductivity Conference 2014, Charlotte, (2014).
"Size dependence of terahertz electromagnetic radiation from intrinsic Josephson junctions”, Dai Oikawa, Akinobu Irie and Kazuhiro Yamaki, Applied Superconductivity Conference 2012, Portland, (2012).
“Synthesize of BSCCO Single Crystal Whiskers for Terahertz EM Wave oscil- lators, Kazuhiro Yamaki, Ryosuke Fusegi, Dai Oikawa and Akinobu Irie, Applied Superconductivity Conference 2012, Portland, (2012).
“Synthesize of BSCCO single crystal whiskers for S/F hybrid spin transistor”, Kazuhiro Yamaki, Ryosuke Fusegi, Masakazu Nakamura, Dai Oikawa, Akinobu Irie, 11th International Symposium on High Temperature Superconductors in High Frequency Field, Matsushima, (2012).
“Terahertz electromagnetic wave emission and detection using mesa-type intrinsic Josephson junctions”, Dai Oikawa, Akinobu Irie, Kazuhiro Yamaki and Gin-ichiro Oya, The 6th East Asia Symposium on Superconductor Electronics, Yonezawa, (2011).
“Terahertz electromagnetic radiation from Bi2Sr2CaCu2Oy intrinsic Josephson junction stack”, Dai Oikawa, Akinobu Irie, Kazuhiro Yamaki and Gin-ichiro Oya, 24th International Symposium on Superconductivity, Funabori, (2011).
“Generation and detection of THz radiation using intrinsic Josephson junctions”, Akinobu Irie, Dai Oikawa and Gin-ichiro Oya, Superconductivity Central Conference, Hague, (2011).