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Y. Watanabe
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Journal Articles

MHD stability trends and improved performance of LHD inward-shifted configurations: The role of the neutral beam current drive and thermal plasma density

J. Varela, K. Nagaoka, Y. Takemura, K. Y. Watanabe, K. Ida, M. Yoshinuma, K. Nagasaki, A. Cappa, S. Sharapov, D. A. Spong, L. Garcia, Y. Ghai, J. Ortiz
Journal: Physics of Plasmas
Phys. Plasmas 31, 082504 (2024)
https://doi.org/10.1063/5.0206400
Published: August 2024
View article titled, MHD stability trends and improved performance of LHD inward-shifted configurations: The role of the neutral beam current drive and thermal plasma density
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Journal Articles

Effect of surface modification by Ar+ ion irradiation on thermal hysteresis of VO2

K. Nishikawa, S. Takakura, M. Nakatake, M. Yoshimura, Y. Watanabe
Journal: Journal of Applied Physics
J. Appl. Phys. 133, 045305 (2023)
https://doi.org/10.1063/5.0132957
Published: January 2023
View article titled, Effect of surface modification by Ar<sup>+</sup> ion irradiation on thermal hysteresis of VO<sub>2</sub>
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Includes: Supplementary data
Journal Articles

Growth of nanostructured VO2 via controlling oxidation of V thin films: Morphology and phase transition properties

K. Nishikawa, M. Yoshimura, Y. Watanabe
Journal: Journal of Applied Physics
J. Appl. Phys. 129, 185303 (2021)
https://doi.org/10.1063/5.0047985
Published: May 2021
View article titled, Growth of nanostructured VO<sub>2</sub> via controlling oxidation of V thin films: Morphology and phase transition properties
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Includes: Supplementary data
Journal Articles

W-band millimeter-wave back-scattering system for high wavenumber turbulence measurements in LHD

T. Tokuzawa, K. Tanaka, T. Tsujimura, S. Kubo, M. Emoto, S. Inagaki, K. Ida, M. Yoshinuma, K. Y. Watanabe, H. Tsuchiya, A. Ejiri, T. Saito, K. Yamamoto, LHD Experiment Group
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 92, 043536 (2021)
https://doi.org/10.1063/5.0043474
Published: April 2021
View article titled, W-band millimeter-wave back-scattering system for high wavenumber turbulence measurements in LHD
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Journal Articles

Theoretical studies of equilibrium beta limit in LHD plasmas

Y. Suzuki, K. Y. Watanabe, S. Sakakibara
Journal: Physics of Plasmas
Phys. Plasmas 27, 102502 (2020)
https://doi.org/10.1063/5.0015106
Published: October 2020
View article titled, Theoretical studies of equilibrium beta limit in LHD plasmas
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Journal Articles

Ion species discrimination method by linear energy transfer measurement in Fujifilm BAS-SR imaging plate

M. Nishiuchi, H. Sakaki, N. P. Dover, T. Miyahara, K. Shiokawa, S. Manabe, T. Miyatake, Ko. Kondo, Ke. Kondo, Y. Iwata, Y. Watanabe, Ki. Kondo
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 093305 (2020)
https://doi.org/10.1063/5.0016515
Published: September 2020
View article titled, Ion species discrimination method by linear energy transfer measurement in Fujifilm BAS-SR imaging plate
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Journal Articles

Microwave frequency comb Doppler reflectometer applying fast digital data acquisition system in LHD

T. Tokuzawa, H. Tsuchiya, T. Tsujimura, M. Emoto, H. Nakanishi, S. Inagaki, K. Ida, H. Yamada, A. Ejiri, K. Y. Watanabe, K. Oguri, T. Akiyama, K. Tanaka, I. Yamada, LHD Experiment Group
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 89, 10H118 (2018)
https://doi.org/10.1063/1.5035118
Published: October 2018
View article titled, Microwave frequency comb Doppler reflectometer applying fast digital data acquisition system in LHD
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Journal Articles

Present status of the KISS project

H. Miyatake, M. Wada, X. Y. Watanabe, Y. Hirayama, P. Schury, M. Ahmed, H. Ishiyama, S. C. Jeong, Y. Kakiguchi, S. Kimura, J. Y. Moon, M. Mukai, M. Oyaizu, J. H. Park
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1947, 020018 (2018)
https://doi.org/10.1063/1.5030822
Published: April 2018
View article titled, Present status of the KISS project
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Journal Articles

Simultaneous excitation of the snake-like oscillations and the m/n = 1/1 resistive interchange modes around the iota = 1 rational surface just after hydrogen pellet injections in LHD plasmas

Editor’s Pick
T. Bando, S. Ohdachi, Y. Suzuki, R. Sakamoto, Y. Narushima, Y. Takemura, K. Y. Watanabe, S. Sakakibara, X. D. Du, G. Motojima, K. Tanaka, T. Morisaki, LHD Experiment Group
Journal: Physics of Plasmas
Phys. Plasmas 25, 012507 (2018)
https://doi.org/10.1063/1.5003058
Published: January 2018
View article titled, Simultaneous excitation of the snake-like oscillations and the m/n = 1/1 resistive interchange modes around the iota = 1 rational surface just after hydrogen pellet injections in LHD plasmas
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Journal Articles

Effects of broken solenoidal condition of magnetic field in MHD simulation for large helical device plasmas

W. Takado, Y. Matsumoto, K. Y. Watanabe, S. Tomioka, S. Oikawa
Journal: Physics of Plasmas
Phys. Plasmas 24, 092506 (2017)
https://doi.org/10.1063/1.4998750
Published: August 2017
View article titled, Effects of broken solenoidal condition of magnetic field in MHD simulation for large helical device plasmas
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Journal Articles

Negative ion formation by proton reflection from a molybdenum surface at a shallow incidence angle

M. Sasao, T. Kanazawa, K. Doi, Y. Watanabe, K. Tanemura, S. Kato, T. Kenmotsu, M. Wada, H. Yamaoka, M. Kisaki, K. Tsumori
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1869, 020008 (2017)
https://doi.org/10.1063/1.4995714
Published: August 2017
View article titled, Negative ion formation by proton reflection from a molybdenum surface at a shallow incidence angle
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Journal Articles

Introduction of the vector potential to a linear MHD simulation code based on a real coordinate system

W. Takado, Y. Matsumoto, K. Y. Watanabe, S. Tomioka, S. Oikawa
Journal: Physics of Plasmas
Phys. Plasmas 23, 102509 (2016)
https://doi.org/10.1063/1.4965232
Published: October 2016
View article titled, Introduction of the vector potential to a linear MHD simulation code based on a real coordinate system
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Journal Articles

Energy deposition evaluation for ultra-low energy electron beam irradiation systems using calibrated thin radiochromic film and Monte Carlo simulations

S. Matsui, Y. Mori, T. Nonaka, T. Hattori, Y. Kasamatsu, D. Haraguchi, Y. Watanabe, K. Uchiyama, M. Ishikawa
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 053309 (2016)
https://doi.org/10.1063/1.4949501
Published: May 2016
View article titled, Energy deposition evaluation for ultra-low energy electron beam irradiation systems using calibrated thin radiochromic film and Monte Carlo simulations
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Journal Articles

Performance prediction of electrohydrodynamic thrusters by the perturbation method

H. Shibata, Y. Watanabe, K. Suzuki
Journal: Physics of Plasmas
Phys. Plasmas 23, 053512 (2016)
https://doi.org/10.1063/1.4951721
Published: May 2016
View article titled, Performance prediction of electrohydrodynamic thrusters by the perturbation method
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Journal Articles

Room temperature, very sensitive thermometer using a doubly clamped microelectromechanical beam resonator for bolometer applications

Y. Zhang, Y. Watanabe, S. Hosono, N. Nagai, K. Hirakawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 163503 (2016)
https://doi.org/10.1063/1.4947444
Published: April 2016
View article titled, Room temperature, very sensitive thermometer using a doubly clamped microelectromechanical beam resonator for bolometer applications
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Journal Articles

Effects of annealing and pulse plating on soft magnetic properties of electroplated Fe-Ni films

T. Yanai, K. Azuma, K. Eguchi, Y. Watanabe, T. Ohgai, M. Nakano, H. Fukunaga
Journal: AIP Advances
Series: Magnetism and Magnetic Materials
AIP Advances 6, 055923 (2016)
https://doi.org/10.1063/1.4944076
Published: March 2016
View article titled, Effects of annealing and pulse plating on soft magnetic properties of electroplated Fe-Ni films
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Journal Articles

Magnetic Fe-Co films electroplated in a deep-eutectic-solvent-based plating bath

T. Yanai, K. Shiraishi, Y. Watanabe, T. Ohgai, M. Nakano, K. Suzuki, H. Fukunaga
Journal: Journal of Applied Physics
Series: Magnetism and Magnetic Materials
J. Appl. Phys. 117, 17A925 (2015)
https://doi.org/10.1063/1.4918782
Published: April 2015
View article titled, Magnetic Fe-Co films electroplated in a deep-eutectic-solvent-based plating bath
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Journal Articles

Improvement in current efficiency of electroplated Fe-Ni films prepared in citric-acid-based baths

Y. Watanabe, T. Yanai, M. Otsubo, A. Takahashi, T. Ohgai, M. Nakano, K. Suzuki, H. Fukunaga
Journal: Journal of Applied Physics
Series: Magnetism and Magnetic Materials
J. Appl. Phys. 117, 17A326 (2015)
https://doi.org/10.1063/1.4917190
Published: April 2015
View article titled, Improvement in current efficiency of electroplated Fe-Ni films prepared in citric-acid-based baths
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Journal Articles

Acceleration of highly charged GeV Fe ions from a low-Z substrate by intense femtosecond laser

M. Nishiuchi, H. Sakaki, T. Zh. Esirkepov, K. Nishio, T. A. Pikuz, A. Ya. Faenov, I. Yu. Skobelev, R. Orlandi, H. Sako, A. S. Pirozhkov, K. Matsukawa, A. Sagisaka, K. Ogura, M. Kanasaki, H. Kiriyama, Y. Fukuda, H. Koura, M. Kando, T. Yamauchi, Y. Watanabe, S. V. Bulanov, K. Kondo, K. Imai, S. Nagamiya
Journal: Physics of Plasmas
Phys. Plasmas 22, 033107 (2015)
https://doi.org/10.1063/1.4913434
Published: March 2015
View article titled, Acceleration of highly charged GeV Fe ions from a low-Z substrate by intense femtosecond laser
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Journal Articles

Magnetic turbulence and pressure gradient feedback effect of the 1/2 mode soft-hard magnetohydrodynamic limit in large helical device

J. Varela, K. Y. Watanabe, S. Ohdachi, Y. Narushima
Journal: Physics of Plasmas
Phys. Plasmas 21, 092505 (2014)
https://doi.org/10.1063/1.4895499
Published: September 2014
View article titled, Magnetic turbulence and pressure gradient feedback effect of the 1/2 mode soft-hard magnetohydrodynamic limit in large helical device
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