M Tokitani: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

1

Plasma wall interaction in long-pulse helium discharge in LHD – Microscopic modification of the wall surface and its impact on particle balance and impurity generation

Tokitani, M., Kasahara, H., Masuzaki, S., Motojima, G., Shoji, M., Ueda, Y., Yoshida, N., Yoshimura, Y., Nagasaki, K., Ashikawa, N., Mutoh, T., Yamada, H., Nagata, S.

Journal:

Journal of Nuclear Materials

Year:

2015

Language:

english

File:

PDF, 2.64 MB

english, 2015

2

Spherical cauliflower-like carbon dust formed by interaction between deuterium plasma and graphite target and its internal structure

N. Ohno, M. Yoshimi, M. Tokitani, S. Takamura, K. Tokunaga, N. Yoshida

Journal:

Journal of Nuclear Materials

Year:

2009

Language:

english

File:

PDF, 1.04 MB

english, 2009

3

Plasma surface interaction on the surface of tungsten divertor tiles in LHD

M. Tokitani, N. Yoshida, S. Masuzaki, N. Noda, A. Sagara, H. Yamada, A. Komori, S. Nagata, B. Tsuchiya

Journal:

Journal of Nuclear Materials

Year:

2011

Language:

english

File:

PDF, 826 KB

english, 2011

4

Effect of divertor legs on neutral particle and impurity retention for a closed helical divertor configuration in the Large Helical Device

M. Shoji, S. Masuzaki, T. Morisaki, M. Tokitani, R. Sakamoto, H. Yamada

Journal:

Journal of Nuclear Materials

Year:

2011

Language:

english

File:

PDF, 718 KB

english, 2011

5

Degradation of optical reflectivity of in-vessel mirror materials by helium bombardment

Shin Kajita, Tsubasa Saeki, Noriyasu Ohno, Masayuki Tokitani, Takaki Hatae, Wataru Sakaguchi

Journal:

Journal of Nuclear Materials

Year:

2011

Language:

english

File:

PDF, 652 KB

english, 2011

6

Evaluation of charge-exchange neutral incident parameters onto plasma-facing materials in LHD with material probe method

M. Miyamoto, M. Tokitani, N. Ashikawa, M. Kobayashi, M. Shoji, S. Masuzaki, N. Yoshida, D. Reiter, K. Ono

Journal:

Journal of Nuclear Materials

Year:

2011

Language:

english

File:

PDF, 1.43 MB

english, 2011

7

Micro/nano structural analysis of mixed-material deposition layer formed on the first walls of large helical device

M. Tokitani, N. Yoshida, S. Masuzaki, N. Ashikawa, A. Sagara, N. Noda, H. Yamada

Journal:

Journal of Nuclear Materials

Year:

2011

Language:

english

File:

PDF, 1.35 MB

english, 2011

8

Bolometric imaging of detached plasmas in LHD

B.J. Peterson, E.A. Drapiko, M. Kobayashi, M. Shoji, S. Masuzaki, T. Morisaki, S. Morita, M. Goto, S. Yoshimura, N. Ashikawa, M. Tokitani, H. Yamada

Journal:

Journal of Nuclear Materials

Year:

2011

Language:

english

File:

PDF, 982 KB

english, 2011

9

TEM analysis of high temperature annealed W nanostructure surfaces

Shin Kajita, Naoaki Yoshida, Reiko Yoshihara, Noriyasu Ohno, Takanori Yokochi, Masayuki Tokitani, Shuichi Takamura

Journal:

Journal of Nuclear Materials

Year:

2012

Language:

english

File:

PDF, 1.37 MB

english, 2012

10

Study of hydrogen isotopes behavior in carbon based materials with in situ ion beam analysis under plasma exposure

Nakamura, Y., Yamagiwa, M., Kaneko, T., Matsunami, N., Ohno, N., Kajita, S., Takagi, M., Tokitani, M., Masuzaki, S.

Journal:

Journal of Nuclear Materials

Year:

2013

Language:

english

File:

PDF, 1.08 MB

english, 2013

11

In situ observation of structural change of nanostructured tungsten during annealing

Yajima, Miyuki, Yoshida, Naoaki, Kajita, Shin, Tokitani, Masayuki, Baba, Tomotsugu, Ohno, Noriyasu

Journal:

Journal of Nuclear Materials

Year:

2014

Language:

english

File:

PDF, 1.47 MB

english, 2014

12

Influence of crystal orientation on damages of tungsten exposed to helium plasma

Ohno, Noriyasu, Hirahata, Yuki, Yamagiwa, Masato, Kajita, Shin, Takagi, Makoto, Yoshida, Naoaki, Yoshihara, Reiko, Tokunaga, Tomonori, Tokitani, Masayuki

Journal:

Journal of Nuclear Materials

Year:

2013

Language:

english

File:

PDF, 2.58 MB

english, 2013

13

Evaluation of the surface morphologies and erosion/deposition profiles on the LHD first-wall by using toroidal array probes

Tokitani, M., Masuzaki, S., Yoshida, N., Akiyama, T., Noda, N., Sagara, A., Yamada, H., Muroga, T., Nagata, S., Tsuchiya, B.

Journal:

Journal of Nuclear Materials

Year:

2013

Language:

english

File:

PDF, 3.44 MB

english, 2013

14

Enhancement of hydrogen isotope retention in tungsten exposed to LHD plasmas

Oya, Yasuhisa, Masuzaki, Suguru, Fujishima, Tetsuo, Tokitani, Masayuki, Yoshida, Naoaki, Watanabe, Hideo, Yamauchi, Yuji, Hino, Tomoaki, Miyamoto, Mitsutaka, Hatano, Yuji, Okuno, Kenji

Journal:

Journal of Nuclear Materials

Year:

2013

Language:

english

File:

PDF, 946 KB

english, 2013

15

Microstructural characterization of mixed-material deposition layer on the LHD divertor tiles by using nano-geological diagnosis

Tokitani, M., Masuzaki, S., Yoshida, N., Sagara, A., Noda, N., Yamada, H.

Journal:

Journal of Nuclear Materials

Year:

2013

Language:

english

File:

PDF, 1.49 MB

english, 2013

16

Low-energy helium irradiation on in-vessel mirror materials

Kajita, Shin, Tokitani, Masayuki, Saeki, Tsubasa, Ohno, Noriyasu, Yoshida, Naoaki

Journal:

Journal of Nuclear Materials

Year:

2013

Language:

english

File:

PDF, 1.74 MB

english, 2013

17

Development of high-grade VPS-tungsten coatings on F82H reduced activation steel

Tokunaga, Tomonori, Watanabe, Hideo, Yoshida, Naoaki, Nagasaka, Takuya, Kasada, Ryuta, Lee, Young-Ju, Kimura, Akihiko, Tokitani, Masayuki, Mitsuhara, Masatoshi, Hinoki, Tatsuya, Nakashima, Hideharu, M

Journal:

Journal of Nuclear Materials

Year:

2013

Language:

english

File:

PDF, 1.57 MB

english, 2013

18

Divertor heat and particle control experiments on the large helical device

Masuzaki, S., Kobayashi, M., Akiyama, T., Ohno, N., Morisaki, T., Shoji, M., Tokitani, M., Tanaka, H., Peterson, B.J., Yoshimura, S., Narihara, K., Yamada, I., Yasuhara, R., Murakami, A., Miyazawa, J.

Journal:

Journal of Nuclear Materials

Year:

2013

Language:

english

File:

PDF, 1.48 MB

english, 2013

19

Global helium particle balance in LHD

Motojima, G., Masuzaki, S., Tokitani, M., Kasahara, H., Yoshimura, Y., Kobayashi, M., Sakamoto, R., Morisaki, T., Miyazawa, J., Akiyama, T., Ohno, N., Mutoh, T., Yamada, H.

Journal:

Journal of Nuclear Materials

Year:

2015

Language:

english

File:

PDF, 1.02 MB

english, 2015

20

Effect of the RF wall conditioning on the high performance plasmas in the Large Helical Device

Takahashi, H., Osakabe, M., Nagaoka, K., Nakano, H., Tokitani, M., Fujii, K., Murakami, S., Takeiri, Y., Seki, T., Saito, K., Kasahara, H., Seki, R., Kamio, S., Masuzaki, S., Mutoh, T.

Journal:

Journal of Nuclear Materials

Year:

2015

Language:

english

File:

PDF, 621 KB

english, 2015

21

Editorial

Ueda, Yoshio, Asakura, Nobuyuki, Hoshino, Kazuo, Ito, Atsushi, Kajita, Shin, Kobayashi, Masahiro, Lee, Heun Tae, Nakano, Tomohide, Tokitani, Masayuki

Journal:

Journal of Nuclear Materials

Year:

2015

Language:

english

File:

PDF, 167 KB

english, 2015

22

Helium Implantation Effects on Retention Behavior of Hydrogen Isotopes in Oxygen-Contained Boron Films

Yoshikawa, A., Oya, Y., Miyauchi, H., Nakahata, T., Nishikawa, Y., Suda, T., Igarashi, E., Oyaidzu, M., Tokitani, M., Iwakiri, H., Yoshida, N., Okuno, K.

Journal:

Fusion Science & Technology

Year:

2007

Language:

english

File:

PDF, 469 KB

english, 2007

23

Microscopic Deformation of Tungsten Surfaces by High Energy and High Flux Helium/Hydrogen Particle Bombardment with Short Pulses

TOKITANI, Masayuki, YOSHIDA, Naoaki, TOKUNAGA, Kazutoshi, SAKAKITA, Hajime, KIYAMA, Satoru, KOGUCHI, Haruhisa, HIRANO, Yoichi, MASUZAKI, Suguru

Journal:

Plasma and Fusion Research

Year:

2010

Language:

english

File:

PDF, 701 KB

english, 2010

24

Leak tight joint procedures for ODS-Cu/ODS-Cu by the advanced brazing technique

Tokitani, M., Hamaji, Y., Hiraoka, Y., Masuzaki, S., Tamura, H., Noto, H., Tanaka, T., Muroga, T., Sagara, A.

Journal:

Fusion Engineering and Design

Year:

2019

Language:

english

File:

PDF, 6.08 MB

english, 2019

25

Investigation of remaining tritium in the LHD vacuum vessel after the first deuterium experimental campaign

Masuzaki, S, Otsuka, T, Ogawa, K, Yajima, M, Tokitani, M, Zhou, Q, Isobe, M, Oya, Y, Yoshida, N, Nobuta, Y

Journal:

Physica Scripta

Year:

2020

File:

PDF, 1.67 MB

2020

26

Tritium removal from the LHD first-wall by the hydrogen plasma discharge

Zhou, Qilai, Yajima, Miyuki, Tokitani, Masayuki, Hamaji, Yukinori, Masuzaki, Suguru

Journal:

Fusion Engineering and Design

Year:

2020

File:

PDF, 2.10 MB

2020

27

Effects of helium implantation with heavy ion irradiation on deuterium permeation in yttrium oxide coating

Nakamura, Kazuki, Fujita, Hikari, Engels, Jan, Tokitani, Masayuki, Hishinuma, Yoshimitsu, Yabuuchi, Kiyohiro, Kano, Sho, Terai, Takayuki, Inami, Wataru, Kawata, Yoshimasa, Chikada, Takumi

Journal:

Journal of Nuclear Materials

Year:

2020

File:

PDF, 2.41 MB

2020

28

Tritium distribution analysis of Be limiter tiles from JET-ITER like wall campaigns using imaging plate technique and Î²-ray induced X-ray spectrometry

Lee, S.E., Hatano, Y., Hara, M., Masuzaki, S., Tokitani, M., Oyaizu, M., Kurotaki, H., Hamaguchi, D., Nakamura, H., Asakura, N., Oya, Y., Likonen, J., Widdowson, A., Jachmich, S., Helariutta, K., Rube

Journal:

Fusion Engineering and Design

Year:

2020

File:

PDF, 266 KB

2020

29

Edge Plasma Transport in the Helical Divertor Configuration in LHD

S. Masuzaki, M. Kobayashi, T. Murase, T. Morisaki, M. Tokitani, N. Ohyabu, H. Yamada, A. Komori, LHD Experiment Group

Journal:

Contributions to Plasma Physics

Year:

2010

Language:

english

File:

PDF, 510 KB

english, 2010

30

Analysis of Carbon Deposition on the FirstWall of LHD by Monte Carlo Simulation

G. Kawamura, Y. Tomita, M. Kobayashi, M. Tokitani, S. Masuzaki, A. Kirschner

Journal:

Contributions to Plasma Physics

Year:

2010

Language:

english

File:

PDF, 273 KB

english, 2010

31

Microscopic damage of materials exposed to glow discharge cleanings in LHD

M Miyamoto, M Tokitani, K Tokunaga, T Fujiwara, N Yoshida, S Masuzaki, A Komori

Journal:

Journal of Nuclear Materials

Year:

2004

Language:

english

File:

PDF, 584 KB

english, 2004

32

Desorption of helium from austenitic stainless steel heavily bombarded by low energy He ions

M Tokitani, M Miyamoto, K Tokunaga, H Iwakiri, T Fujiwara, N Yoshida

Journal:

Journal of Nuclear Materials

Year:

2004

Language:

english

File:

PDF, 414 KB

english, 2004

33

Microscopic and macroscopic damage in metals exposed to LHD divertor plasmas

M. Tokitani, M. Miyamoto, D. Koga, K. Tokunaga, T. Fujiwara, N. Yoshida, S. Masuzaki, N. Ashikawa, T. Morisaki, M. Shoji, A. Komori, LHD Experimental Group

Journal:

Journal of Nuclear Materials

Year:

2005

Language:

english

File:

PDF, 449 KB

english, 2005

34

The effect of co-deposition of hydrogen and metals on wall pumping in long duration plasma in TRIAM-1M

M. Miyamoto, M. Tokitani, K. Tokunaga, T. Fujiwara, N. Yoshida, M. Sakamoto, H. Zushi, S. Nagata, K. Ono

Journal:

Journal of Nuclear Materials

Year:

2005

Language:

english

File:

PDF, 384 KB

english, 2005

35

Retention properties of plasma particles in tungsten exposed to LHD divertor plasmas

M. Tokitani, M. Miyamoto, K. Tokunaga, T. Fujiwara, N. Yoshida, S. Masuzaki, N. Ashikawa, T. Morisaki, M. Shoji, A. Komori, S. Nagata, B. Tsuchiya

Journal:

Journal of Nuclear Materials

Year:

2007

Language:

english

File:

PDF, 336 KB

english, 2007

36

Irradiation effects of low energy helium ions on optical reflectivity of metallic mirror

A. Ebihara, M. Tokitani, K. Tokunaga, T. Fujiwara, A. Sagara, N. Yoshida

Journal:

Journal of Nuclear Materials

Year:

2007

Language:

english

File:

PDF, 635 KB

english, 2007

37

The observation of dust behavior in TRIAM-1M

K. Sasaki, K. Hanada, N. Nishino, M. Tokitani, N. Yoshida, K.N. Sato, H. Zushi, K. Nakamura, M. Sakamoto, H. Idei, M. Hasegawa, S. Kawasaki, H. Nakasihma, A. Higashijima

Journal:

Journal of Nuclear Materials

Year:

2007

Language:

english

File:

PDF, 521 KB

english, 2007

38

Hydrogen retention properties of co-deposition under high-density plasmas in TRIAM-1M

M. Tokitani, M. Miyamoto, K. Tokunaga, T. Fujiwara, N. Yoshida, M. Sakamoto, H. Zushi, K. Hanada, TRIAM Group, S. Nagata, B. Tsuchiya

Journal:

Journal of Nuclear Materials

Year:

2007

Language:

english

File:

PDF, 627 KB

english, 2007

39

Evaluation of radiation damages on the first-wall surface in LHD exposed to charge-exchanged helium particles

M. Tokitani, N. Yoshida, M. Miyamoto, Y. Ohtawa, K. Tokunaga, T. Fujiwara, S. Masuzaki, N. Ashikawa, M. Shoji, M. Kobayashi, A. Sagara, N. Noda, H. Yamada, A. Komori, S. Nagata, B. Tsuchiya

Journal:

Journal of Nuclear Materials

Year:

2009

Language:

english

File:

PDF, 1.09 MB

english, 2009

40

Micro/nano scale modification of plasma facing components in LHD and its impact on the metal dust generations

M. Tokitani, Y. Ohtawa, N. Yoshida, K. Tokunaga, T. Fujiwara, N. Ashikawa, S. Masuzaki, H. Yamada, A. Sagara, N. Noda, A. Komori, LHD experimental group

Journal:

Journal of Nuclear Materials

Year:

2009

Language:

english

File:

PDF, 487 KB

english, 2009

41

Deuterium retention in tungsten oxide under low energy plasma exposure

N. Matsunami, N. Ohno, M. Tokitani

Journal:

Journal of Nuclear Materials

Year:

2009

Language:

english

File:

PDF, 388 KB

english, 2009

42

Deuterium retention near surface of TiO2 by low-voltage D2 plasma discharge

N. Matsunami, T. Tanaka, N. Ohno, M. Tokitani

Journal:

physica status solidi (c)

Year:

2008

Language:

english

File:

PDF, 709 KB

english, 2008

43

Design and installation of the closed helical divertor in LHD

S. Masuzaki, M. Shoji, M. Tokitani, T. Murase, M. Kobayashi, T. Morisaki, H. Yonezu, R. Sakamoto, H. Yamada, A. Komori

Journal:

Fusion Engineering and Design

Year:

2010

Language:

english

File:

PDF, 1.25 MB

english, 2010

44

Effects of chemical states of carbon on deuterium retention in carbon-containing materials

Makoto Oyaidzu, Hiromi Kimura, Toshihiko Nakahata, Yusuke Nishikawa, Masayuki Tokitani, Yasuhisa Oya, Hirotomo Iwakiri, Naoaki Yoshida, Kenji Okuno

Journal:

Journal of Nuclear Materials

Year:

2007

Language:

english

File:

PDF, 360 KB

english, 2007

45

Degradation of reflectivity in stainless steel mirrors under irradiation with low-energy helium ions

H. Urabe, M. Miyamoto, K. Ono, M. Tokitani, N. Yoshida

Journal:

Journal of Nuclear Materials

Year:

2009

Language:

english

File:

PDF, 478 KB

english, 2009

46

Surface modification of tungsten mirrors due to low-energy helium plasma irradiation in the compact PWI simulator APSEDAS

Sakamoto, M, Miyazaki, T, Higashizono, Y, Ogawa, K, Ozaki, K, Ashikawa, N, Tokitani, M, Shoji, T, Masuzaki, S, Tokunaga, K

Journal:

Physica Scripta

Year:

2009

Language:

english

File:

PDF, 1.03 MB

english, 2009

47

Impact of arcing on carbon and tungsten: from the observations in JT-60U, LHD and NAGDIS-II

Kajita, Shin, Fukumoto, Masakatsu, Tokitani, Masayuki, Nakano, Tomohide, Noiri, Yasuyuki, Ohno, Noriyasu, Masuzaki, Suguru, Takamura, Shuichi, Yoshida, Naoaki, Ueda, Yoshio

Journal:

Year:

2013

Language:

english

File:

PDF, 2.88 MB

english, 2013

48

Analysis of radiation environment at divertor in helical reactor FFHR-d1

Tanaka, T., Sagara, A., Masuzaki, S., Tokitani, M., Muroga, T., Miyazawa, J., Goto, T., Tamura, H.

Journal:

Fusion Engineering and Design

Year:

2014

Language:

english

File:

PDF, 1.97 MB

english, 2014

49

Foreword

Oya, Yasuhisa, Masuzaki, Suguru, Fujishima, Tetsuo, Tokitani, Masayuki, Yoshida, Naoaki, Watanabe, Hideo, Yamauchi, Yuji, Hino, Tomoaki, Miyamoto, Mitsutaka, Hatano, Yuji, Okuno, Kenji

Journal:

Baillière's Clinical Endocrinology and Metabolism

Year:

1987

Language:

english

File:

PDF, 194 KB

english, 1987

50

Comparison of hydrogen isotope retention for tungsten probes in LHD vacuum vessel during the experimental campaigns in 2011 and 2012

Oya, Y., Masuzaki, S., Tokitani, M., Sato, M., Toda, K., Uchimura, H., Yoshida, N., Watanabe, H., Yamauchi, Y., Hino, T., Miyamoto, M., Hatano, Y., Okuno, K.

Journal:

Fusion Engineering and Design

Year:

2014

Language:

english

File:

PDF, 1001 KB

english, 2014