2024 2023 2022 2021
2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
2010 2009 2008
Author represents a (past) lab member.
Author represents a (past) lab student.
2024
- M. Miyamoto, R. Kobayashi, G. Kuwano, M. Tsujimoto, I. Kakeya, Wide-band frequency modulation of a terahertz intrinsic Josephson junction emitter of a cuprate superconductor,
Nature Photonics 18, 267–275 (2024). https://doi.org/10.1038/s41566-023-01348-0 - A. Elarabi, R. Kobayashi, K. Hayama, K. Maeda, S. Fujita, Y. Yoshioka, Y. Saito, Y. Takano, H. Asai, M. Tsujimoto, I. Kakeya
Polarized terahertz electromagnetic-wave radiation from cuprate superconductor Bi2212 mesa,
, - Yasuhito Gotoh and Tomoaki Osumi,
Proton energy suitable for backscattering spectrometry in nitrogen composition analysis of transition metal nitride thin films on silicon substrate,
Nuclear Instruments and Methods in Physics Research B, Vol. 554, 165445 (2024).
https://doi.org/10.1016/j.nimb.2024.165445 - T. Watanabe, K. Kosugi, N. Sasaki, S. Yamaguchi, T. Fujii, K. Hayama, I. Kakeya, and T. Ito,
Effects of vortex and antivortex excitations in underdoped Bi2Sr2Ca2Cu3O10+δ bulk single crystals,
Phys. Rev. B 110, 134509 – Published 9 October, 2024
https://doi.org/10.1103/PhysRevB.110.134509
2023
- Y. Gotoh, Y. Neo, M. Nagao, and N. Sato,”Characteristics of improved tetrode configuration for radiation tolerant image sensor”, KURNS Progress Report CO4-23, p.114 (2023).
- Tomoaki Osumi, Ryosuke Hori, Masayoshi Nagao, Hiromasa Murata, and Yasuhito Gotoh, “Electron emission characteristics of field emitter arrays coated with over-stoichiometric hafunium nitride”, 36th International Vacuum Nanoelectronics Conference, IVNC 2023, 2023/7/10-15, Cambridge, USA. https://doi.org/10.1109/IVNC57695.2023.10189004
- Hitoshi Takane, Itsuhiro Kakeya, Hirokazu Izumi, Takeru Wakamatsu, Yuki Isobe, Kentaro Kaneko, Katsuhisa Tanaka,
Low-temperature electron transport of rutile-type GexSn1−xO2,
Journal of Applied Physics, 134 165706 (2023)
https://doi.org/10.1063/5.0173815 - Itsuhiro Kakeya,
Terahertz radiations and switching phenomena of Intrinsic Josephson Junctions in High-Temperature Superconductors: Josephson phase dynamics in long-and short-ranged interactions,
IEICE Transactions on Electronics E-106 272-280 (2023); Open access
DOI: 10.1587/transele.2022SEI0004
2022
- Y. Saito, I. Kakeya, and Y. Takano,
Polarization analysis of terahertz emission from Bi-2212 cross-whisker intrinsic Josephson junction devices and their refractive index ,
Appl. Phys. Lett. 121, 212601 (2022); Editors’ pick https://doi.org/10.1063/5.0123290 - R Kobayashi, K Hayama, I Kakeya,
Corrigendum: “Circuit models of simultaneously biased intrinsic Josephson junction stacks for terahertz radiations in high-bias regime” [Appl. Phys. Express 15, 093002 (2022)],
Applied Physics Express 15 119301
DOI: 10.35848/1882-0786/ac9cb4 - R Kobayashi, K Hayama, I Kakeya,
Circuit models of simultaneously biased intrinsic Josephson junction stacks for terahertz radiations in high-bias regime,
Applied Physics Express 15, 093002 (2022)
DOI: 10.35848/1882-0786/ac8597 - R Kobayashi, K Hayama, S Fujita, M Tsujimoto, I Kakeya, Spontaneous Frequency Shift and Phase Delay of Coupled Terahertz Radiation Mediated by the Josephson Plasmon in a Cuprate Superconductor, Physical Review Applied 17, 054043
DOI: 10.1103/PhysRevApplied.17.054043
2021
- T. Ozaki, T. Kashihara,I. Kakeya, R. Ishigami,
Effect of 1.5 MeV proton irradiation on superconductivity in FeSe0.5Te0.5 thin films, Quantum Beam Science, 5, 18 (2021), 10.3390/qubs5020018 - Yoshito Saito, Shintaro Adachi, Ryo Matsumoto, Masanori Nagao, Shuma Fujita, Ken Hayama, Kensei Terashima, Hiroyuki Takeya, Itsuhiro Kakeya, Yoshihiko Takano,
THz emission from a Bi2Sr2CaCu2O8+ δ cross-whisker junction
Applied Physics Express 14 033003
DOI:10.35848/1882-0786/abe166 - S Komori, I Kakeya,
Interlayer Transport and Josephson Coupling in a 1212-type Cuprate Superconductor with a (Pb, Cu)–O Barrier LayerJournal of the Physical Society of Japan 90, 024702 (2021) DOI: 10.7566/JPSJ.90.024702 - Tamotsu Okamoto, Tomoya Igari, Takahiro Fukui, Ryuto Tozawa, Yasuhito Gotoh, Nobuhiro Sato, Yasuki Okuno, Tomohiro Kobayashi, Mitsuru Imaizumi and Masafumi Akiyoshi
Gamma-ray irradiation effects on CdTe solar cell dosimeter
Jpn. J. Appl. Phys. 60, SBBF02
DOI: 10.35848/1347-4065/abd6d8
2020
-
K Hayama, S Fujita, Y Kuriyama, K Maeda, M Tsujimoto, I Kakeya2020 International Conference on UK-China Emerging Technologies (UCET), 1-4 (Best paper award)
DOI:10.1109/UCET51115.2020.9205454 -
YJ Kim, S Konishi, Y Hayasaka, I Kakeya, K TanakaMagnetic and Electrical Properties of LuFe2O4 Epitaxial Thin Films with Self-assembled Interface Structure
CrystEngComm 22, 1096-1105
DOI:10.1039/C9CE01666J - 後藤 康仁
電子ビーム技術に期待する
表面と真空 63, 2 (2020)
DOI: 10.1380/vss.63.2
Accumulated IF2019: 10.28
2019
- Y Nomura, R Okamoto, T Mizuno, S Adachi, T Watanabe, M Suzuki, I Kakeya
Role of the inner copper oxide plane in interlayer Josephson effects in multilayered cuprate superconductors
Physical Review B 100 (14), 144515
DOI:10.1103/PhysRevB.100.144515 - K Maeda, S Fujita, A Elarabi, M Tsujimoto, I Kakeya
Stokes-parameter analysis of circular polarized terahertz waves from superconducting Josephson plasma emitter
2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
DOI: 10.1109/IRMMW-THz.2019.8874509 -
I Kakeya, A Elarabi, K Maeda, S Fujita, M Tsujimoto
Monolithic terahertz emitter of high-temperature superconductors
2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
DOI: 10.1109/IRMMW-THz.2019.8874440 - A Shinojima, I Kakeya, S Tada
Lamina Cribrosa Pore Diameter and Spaceflight-Associated Neuro-ocular Syndrome
JAMA ophthalmology 137 (11), 1330-1331
doi:10.1001/jamaophthalmol.2019.3319 -
A Shinojima, I Kakeya, S Tada
Brain Upward Shift and Spaceflight-Associated Neuro-Ocular Syndrome—Reply
JAMA ophthalmology 137 (5), 586-587
doi:10.1001/jamaophthalmol.2019.0223
Accumulated IF2018: 16.07
2018
- A Elarabi, Y Yoshioka, M Tsujimoto, I Kakeya,
Circularly polarized terahertz radiation monolithically generated by cylindrical mesas of intrinsic Josephson junctions,
Applied Physics Letters 113 (5), 052601
DOI:/10.1063/1.5040159 - S Komori and I Kakeya,
Carrier doping into a superconducting BaPb0.7Bi0.3O3−δ epitaxial film using an electric double-layer transistor structure,
Superconductor Science and Technology, 31 065004 (2018)
DOI:10.1088/1361-6668/aabb4c - A Shinojima, I Kakeya, S Tada,
Association of Space Flight With Problems of the Brain and Eyes,
JAMA ophthalmology 136 (9), 1075-1076
DOI:10.1001/jamaophthalmol.2018.2635
Accumulated IF2017: 13.025
2017
- A. Elarabi, Y. Yoshioka, M. Tsujimoto, and I. Kakeya,
Monolithic Superconducting Emitter of Tunable Circularly Polarized Terahertz Radiation,
Phys. Rev. Applied 8, 064034 (2017)
DOI: 10.1103/PhysRevApplied.8.064034 - Y. Nomura, R. Okamoto, and I. Kakeya,
Negative correlation between enhanced crossover temperature and fluctuation-free critical current of the second switch in Bi2Sr2CaCu2O8+δ intrinsic Josephson junction,
Supercond. Sci. Technol., 30 105001(2017).
DOI: 10.1088/1361-6668/aa7b23 - M Tsujimoto, T Doi, G Kuwano, A Elarabi, and I Kakeya
Engineering and characterization of a packaged high-T c superconducting terahertz source module
Superconductor Science and Technology 30 (6), 064001 (2017)
DOI: 10.1088/1361-6668/aa67aa -
Y. Nomura, R. Okamoto, and I. Kakeya
Dynamics of First and Second Switches in Bi2Sr2CaCu2O8+δ Intrinsic Josephson Junction Stacks Measured by Specifically Designed Electronics
IEEE Transactions on Applied Superconductivity 27, 7200205, (2017)
DOI: 10.1109/TASC.2016.2642043
Accumulated IF2016: 12.147
2016
- Takao Watanabe, Tomohiro Usui, Shintaro Adachi, Yuki Teramoto, Mihaly M. Dobroka, Itsuhiro Kakeya, Akihiro Kondo, Koichi Kindo, and Shojiro Kimura
Origin of positive out-of-plane magnetoconductivity in overdoped Bi1.6Pb0.4Sr2CaCu1.96Fe0.04O8+δ
Phys. Rev. B 94, 174517 (2016)
DOI: 10.1103/PhysRevB.94.174517 - S. Komori, A. Kondo, K. Kindo, and I. Kakeya
90 K superconductivity of clean Pb1212 epitaxial films
Superconductor Science and Technology, 29, 085007-(1-5) (2016).
DOI:10.1088/0953-2048/29/8/085007 - A. Uzawa, S. Komori, Y. Kamei, and I. Kakeya
Terahertz conductivity in the under-doped Pb1212 epitaxial film
Physica C, 530, 14-16 (2016).
DOI:10.1016/j.physc.2016.05.012 - A. Elarabi, Y. Yoshioka, M. Tsujimoto, Y. Nakagawa, and I. Kakeya
Polarization Enhancement of Terahertz Radiation Generated by Intrinsic Josephson Junctions in a Truncated Edge Square Bi2Sr2CaCu2O8+δ Mesa
Physics Procedia, 81, 133-136 (2016).
DOI:10.1016/j.phpro.2016.04.022 - Itsuhiro Kakeya and Huabing Wang
Terahertz-wave emission from Bi2212 intrinsic Josephson junctions: a review on recent progressSuperconductor Science and Technology, 29, 073001-(1-18) (2016).
DOI:10.1088/0953-2048/29/7/073001
Preprint: THzReview20160414
- M. Tsujimoto, I. Kakeya, T. Kashiwagi, H. Minami, and K. Kadowaki
Cavity mode identification for coherent terahertz emission from high-Tc superconductors
Optics Express, 24, 4591-4599 (2016).
DOI: 10.1364/OE.24.004591 - J Mirkovic, I Kakeya, S Savel’ev, T Kashiwagi, B Markovic, K Kadowaki
Tilted vortex lattice in irradiate Bi2Sr2CaCu2O8+δ single crystals
Journal of Physics: Conference Series 667 (1), 012007
2015
- M. Tsujimoto, Y. Maeda, H. Kambara, A. Elarabi, Y. Yoshioka, Y. Nakagawa, Y. Wen, T. Doi, H. Saito and I. Kakeya
Terahertz emission from a stack of intrinsic Josephson junctions in Pb-doped Bi2Sr2CaCu2O8+δ
Supercond. Sci. Technol., 28, 105015-(1-5) (2015).
DOI: 10.1088/0953-2048/28/10/105015 -
H Akiyama, S Pyon, T Tamegai, M Tsujimoto, I Kakeya
Thermal imaging of Bi2212 THz oscillator,
Physica C: Superconductivity and its Applications, 518, 77-80 (2015).
DOI:10.1016/j.physc.2015.06.005 - Itsuhiro Kakeya, Nobuo Hirayama, Yuta Omukai and Minoru Suzuki
Temperature dependence of terahertz emission by an asymmetric intrinsic Josephson junction device
J. Appl. Phys. 117, 043914-(1-5) (2015).
DOI: 10.1063/1.4906849 - Y. Nomura, T. Mizuno, H. Kambara, Y. Nakagawa, and I. Kakeya
Enhanced Macroscopic Quantum Tunneling in Capacitively Coupled BiPb2201 Single-Layered Intrinsic Josephson Junctions
J. Phys. Soc. Jpn., 84 013704-(1-5) (2015).
DOI: 10.7566/JPSJ.84.013704
2014
- Sachio Komori and Itsuhiro Kakeya
Intrinsic Josephson properties in Pb1-ySr2Y1-xCaxCu2+yO7+δ epitaxial films <class=”authorlist”>Journal of Physics: Conference Series 568 022025 (2014).
doi:10.1088/1742-6596/568/2/022025 - Y Nomura, H Kambara, Y Nakagawa and I Kakeya
Macroscopic quantum tunneling in BiPb2201 Journal of Physics: Conference Series 568 022033 (2014).
doi:10.1088/1742-6596/568/2/022033 - M Tsujimoto, H Kambara, Y Maeda, Y Yoshioka, Y Nakagawa and I Kakeya
Imaging of local temperature distributions in mesas of high-Tc superconducting terahertz sources
Journal of Physics: Conference Series 568 022048 (2014).
doi:10.1088/1742-6596/568/2/022048 - M. Tsujimoto, H. Kambara, Y. Maeda, Y. Yoshioka, Y. Nakagawa, and I. Kakeya
Dynamic Control of Temperature Distributions in Stacks of Intrinsic Josephson Junctions in Bi2Sr2CaCu2O8+δ for Intense Terahertz Radiation Phys. Rev. Applied 2, 044016-(1-5)
doi:10.1103/PhysRevApplied.2.044016 - S. Komori, R. Inaba, K. Kaneko, S. Fujita, I. Kakeya, and M. Suzuki
Epitaxial growth and superconducting anisotropy of PbSr2Y1-xCaxCu2O7+δ thin films Phys. Rev. B 89, 174509-(1-5)
doi:10.1103/PhysRevB.89.174509 -
Sachio Komori, Ryotaro Inaba, Itsuhiro Kakeya and Minoru Suzuki
Growth and superconducting properties of Pb1−yBiySr2Y1−xCaxCu2O7+δ epitaxial films
J. Phys.: Conf. Ser. 507 012025 doi:10.1088/1742-6596/507/1/012025 - Y. Nomura, T. Mizuno, H. Kambara, Y. Nakagawa, T. Watanabe, I. Kakeya and M. Suzuki
Systematic Enhancements of Switching Rate in Intrinsic Josephson Junctions
J. Phys.: Conf. Ser. 507 012038 doi:10.1088/1742-6596/507/1/012038 - Y. Kususe, H. Murakami, K. Fujita, I. Kakeya, M. Suzuki, S. Murai, and K. Tanaka
Magnetic and transport properties of EuTiO3 thin films doped with Nb.
Jap. J. Appl. Phys. 53 (5S1), 05FJ07,
2013
- Temperature and current dependencies of terahertz emission from stacks of intrinsic Josephson junctions with thin electrodes revealed by a high-resolution FT-IR spectrometer
Itsuhiro Kakeya, Nobuo Hirayama, Takuto Nakagawa, Yuta Omukai, and Minoru Suzuki,
Physica C 491 11-15 (2013), doi:10.1016/j.physc.2012.12.014 - Band gap and function engineering for novel functional alloy semiconductors: Bloomed as magnetic properties at room temperature with alpha-(GaFe)2O3
Kentaro Kaneko, Itsuhiro Kakeya, Sachio Komori, and Shizuo Fujita,
JOURNAL OF APPLIED PHYSICS 113, 233901 DOI: 10.1063/1.4807651 - Increase of superfluid density with growth of quasiparticle density of states probed by intrinsic tunneling spectroscopy in Bi1.9Pb0.1Sr2CaCu2O8+delta
Hitoshi Kambara, Itsuhiro Kakeya, Minoru Suzuki,
PHYSICAL REVIEW B 87 214521-(1-5)
DOI: 10.1103/PhysRevB.87.214521
2012
- Method for Measuring Anisotropic Electrical Resistivity
Minoru Suzuki and Hiromitsu Katsui,
Jpn. J. Appl. Phys. 51 (2012) 123102(6 pages) , DOI: 10.1143/JJAP.51.123102 - Intrinsic Tunneling Spectroscopy for Pb-Substituted Bi2212 in the Underdoped Region
J. Phys.: Conf. Ser. 400 (2012) 022043 (4pp) doi:10.1088/1742-6596/400/2/022043 - A model and calculation of evolving tunneling spectra for the gap and pseudogap in Bi2Sr2CaCu2O8+δ
J. Phys.: Conf. Ser. 400 (2012) 022116 (4pp)
doi:10.1088/1742-6596/400/2/022116 - Simultaneous Observation of Three Types of Terahertz Radiation from Bi2Sr2CaCu2O8 + δ Intrinsic Josephson Junctions
J. Phys.: Conf. Ser. 400 (2012) 052027 (4pp) doi:10.1088/1742-6596/400/5/052027 - “Proximity Effect in BSCCO Intrinsic Josephson Junctions Contacted with a Normal Metal Layer”,
Minoru Suzuki, Masayuki Koizumi, Masayuki Ohmaki, Itsuhiro Kakeya, Yu. M. Shukrinov,
Physics Procedia 36, 205–210 (2012) - “Evolution of interlayer tunneling spectra and superfluid density with doping in Bi2Sr2CaCu2O8+δ“,
Minoru Suzuki, Takashi Hamatani, Kenkichi Anagawa, and Takao Watanabe,
Phys. Rev. B 85, 214529 (2012) [10 pages] - “Effect of thermal inhomogeneity for terahertz radiation from intrinsic Josephson junction stacks of Bi2Sr2CaCu2O8+δ“,
Itsuhiro Kakeya, Yuta Omukai, Takashi Yamamoto, Kazuo Kadowaki, and Minoru Suzuki,
Appl. Phys. Lett. 100, 242603 (2012) (4 pages) - “Short-Pulse Intrinsic Tunneling Spectroscopy in Bi2Sr2CaCu2O8+δ under Suppressed Self Heating“,
Minoru Suzuki, Ryota Takemura, Kenji Hamada, Masayuki Ohmaki, andTakao Watanabe,
Jpn. J. Appl. Phys. 51 (2012) 010112 (9 pages)
2011
- “Intrinsic tunneling spectroscopy for
Bi2-xPbxSr2CaCu2O8+δ of nm-thickness mesa structure“,
Hitoshi Kambara, Itsuhiro Kakeya, Minoru Suzuki,
PHYSICA C, 471, 54-757 (2011) - “Fluctuating pancake vortices revealed by dissipation of the Josephson vortex lattice“,
A. E. Koshelev, A. I. Buzdin, I. Kakeya, T. Yamamoto, and K. Kadowaki,
Phys. Rev. B 83, 224515 (2011)
2010
- “Overdoped high current density Bi2-xPbxSr2CaCu2O8+δ intrinsic Josephson junction mesas and their switching current desctributions”,
M. Suzuki, K. Hamada, R. Takemura, M. Ohmaki, and I. Kakeya,
Chin. Phys. Lett. 27 087406 (2010) - ”
Vortex phases in magnetic fields near ab-plane in
Bi2Sr2CaCu2O8+δ single crystal “,
Mirković, Jovan,Saito, Takashi, Kashiwagi, Takanari, Kakeya, Itsuhiro, Kubo, Yuimaru, Yamamoto, Takashi, Oral, Ahmet, Kadowaki, Kazuo,
PHYSICA C, 470, S790-S792 (2010)
2009
- “Characteristics of terahertz radiation emitted from the intrinsic Josephson junctions in high-Tc superconductor Bi2Sr2CaCu2O8+δ”
H. Minami, I. Kakeya, H. Yamaguchi, T. Yamamoto, and K. Kadowaki
Appl. Phys. Lett. 95, 232511 (2009) - “Switching current distributions and macroscopic quantum tunneling in over-doped BSCCO mesas with nanometer thickness”
I. Kakeya, K. Hamda, T. Tachiki, T. Watanabe, and M. Suzuki
Superconductor Science and Technology 22 114014 (2009) - “Significantly doping-dependent Josephson critical current — inhomogeneity in real space or heterogeneity in k-space”
J. Phys.: Conf. Ser. 150 (2009) 052252 (4pp) - “Macroscopic quantum tunneling and thermal activation in a small mesa structured Bi2Sr2CaCu2Oy intrinsic Josephson junctions”
J. Phys.: Conf. Ser. 150 (2009) 052110 (4pp) - “Fabrication of Highly Crystalline Corundum-Structured α-(Ga1-xFex)2O3 Alloy Thin Films on Sapphire Substrates”
Kentaro Kaneko, Taichi Nomura, Itsuhiro Kakeya, and Shizuo Fujita
Applied Physics Express 2 075501 (2009) - “Scaling behavior of the crossover to short-stack regimes of Josephson vortex lattices in Bi2Sr2CaCu2O8+δ stacks”
I. Kakeya, Y. Kubo, M. Kohri, M. Iwase, T. Yamamoto, and K. Kadowaki
Physical Review B 79 212503 (2009) - “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
Physical Review B 79 134505 (2009)
2008
- “Tunneling characteristics for nm-thick mesas consisting of a few intrinsic Josephson junctions”,
M. Suzuki, M. Ohmaki, R. Takemura, K. Hamada, T. Watanabe, K. Ota, H. Kitano, and A. Maeda,
J. Phys. Conf. Ser. 129 012033-1 012033-8. -
“Structure of the breakpoint on current-voltage characteristics of intrinsic Josephson junctions”,
Yu. M. Shukrinov, F. Mahfouzi, and M. Suzuki,
Phys. Rev. B 78 13 134521-1 134521-5 -
“SIN feature observed in intrinsic Josephson junction characteristics for overdoped Bi2Sr2CaCu2O8+d”
M. Suzuki, Y. Takemura, M. Ohmaki, and K. Anagawa
J. Phys. Conf. Ser. 97 012260-1 012260-6. -
“Growth of c-axis epitaxial thin films with reduced intergrowths for the bilayer manganate La2-2xSr1+2xMn2O7 using a new sputtering configuration”,
M. Lmouchter, R. Tatsumi, T. Ikawa, and M. Suzuki,
Jpn. J. Appl. Phys. 47 2 908-913. -
“Anomalously strong doping dependence of the maximum Josephson current in intrinsic Josephson junctions and inhomogeneous supercnducting state in Bi2Sr2CaCu2O8+d”,
M. Suzuki, Y. Yamada, T. Hamatani, K. Anagawa, and T. Watanabe,
Physica C 460-462 386 387. -
“Fabrication of small mesa structures of Bi2Sr2CaCu2O8+d intrinsic Josephson junctions using polyimide process: Improvement of current-voltage characteristics with a very small number of junctions”,
R. Takemura, T. Kumano, M. Ohmaki, T. Watanabe, and M. Suzuki
Jpn. J. Appl. Phys. 46 9A 5788 5791