Interactions of Hydrogen Isotopes and Radiation-induced Defects in Tungsten and its Impact on Performance as Performance as Plasma-facing Material of Fusion Reactor

Y.Hatano (Univ. of Toyama)

Influence of damage depth distribution formed by hydrogen ion on the deuterium retention behavior in tungsten

Takuro Wada^1*, Akihiro Togari¹, Moeko Nakata¹, Shota Yamazaki¹, Ayaka Koike¹, Fei Sun², Mingzhong Zhao¹, Yuji Hatano³, Yasuhisa Oya^1
1Graduate School of Integrated Science and Technology, Shizuoka University, Shizuoka, 422-8529, Japan
²Faculty of Science, Shizuoka University, Shizuoka, 422-8529, Japan
³Hydrogen Isotope Research Center, Toyama University, Toyama, 930-8555, Japan

Surface Analysis of Shielded and Unshielded Neutron-Irradiated Polycrystalline Tungsten by Scanning Auger Microscope

Masashi Shimada¹, Yuji Nobuta², Makoto Oya³, Chase N. Taylor¹, Yuji Hatano⁴, and Yasuhisa Oya^5
1Fusion Safety Program, Idaho National Laboratory, Idaho Falls, ID 83415, USA
²Graduate School of Engineering, Hokkaido University, Sapporo 060-0808, Japan
³Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka, 816-8580, Japan
⁴Hydrogen Isotope Research Center, University of Toyama, Toyama 930-8555, Japan
⁵College of Science, Academic Institute, Shizuoka University, Shizuoka 422-8529, Japan

Interaction of divacancy with hydrogen in tungsten and stability induced by interstitial atoms

Kazuhito Ohsawa^1*, Takeshi Toyama², Yuji Hatano³, Masatake Yamaguchi⁴, Hideo Watanabe^1
1Institute for Applied Mechanics, Kyushu University, Fukuoka, 816-8580 Japan
²Institute for Materials Research, Tohoku University, Ibaraki 311-1313, Japan
³Hydrogen Isotope Research Center, Organization for Promotion of Research, University Toyama, Toyama 930-8555, Japan
⁴Center for Computational Science and e-System, Japan Atomic Energy Agency, Ibaraki 319- 1195, Japan

EFFECTS OF HELIUM SEEDING ON DEUTERIUM RETENTION IN NEUTRON-IRRADIATED TUNGSTEN

Yuji Nobuta¹, Masashi Shimada², Chase N. Taylor², Yasuhisa Oya³, Yuji Hatano^4
1Graduate School of Engineering, Hokkaido University, Sapporo 060-8628, Japan
²Fusion Safety Program, Idaho National Laboratory, Idaho Falls, ID 83415, USA
³College of Science, Academic Institute, Shizuoka University, Shizuoka 422-8529, Japan
⁴Hydrogen Isotope Research Center, University of Toyama, Toyama 930-8555, Japan

OVERVIEW OF PHENIX TASK 3 ACTIVITIES FOR TRITIUM BEHAVIOR IN HIGH-TEMPERATURE NEUTRON-IRRADIATED TUNGSTEN

Yasuhisa Oya¹, Masashi Shimada², Yuji Nobuta³, Yuji Yamauchi³, Makoto Kobayashi⁴, Makoto Oya⁵, Teppei Otsuka⁶, Chase N. Taylor^2*, Robert Kolasinski⁷, Dean Buchenauer⁷, Yuji Hatano^8
1College of Science, Academic Institute, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan
²Fusion Safety Program, Idaho National Laboratory, Idaho Falls, ID 83415, USA
³Graduate School of Engineering, Hokkaido University, Sapporo 060-0808, Japan
⁴National Institute for Fusion Science,
⁵Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka, 816-8580, Japan
⁶Faculty of Science and Engineering, Kindai University, Higashi-Osaka 577-8502, Japan
⁷Energy Innovation Department, Sandia National Laboratories, Livermore, CA 94550, USA
⁸Hydrogen Isotope Research Center, University of Toyama, Toyama 930-8555, Japan

DEUTERIUM RETENTION IN W AND BINARY W ALLOYS IRRADIATED WITH HIGH ENERGY FE IONS

Jing Wang^1*, Yuji Hatano¹, Tatsuya Hinoki², Alexander V. Spitsyn³, Nikolay P. Bobyr³,Sosuke Kondo⁴, Takeshi Toyama⁴, Heun Tae Lee⁵, Yoshio Ueda^5
1Hydrogen Isotope Research Center, Organization for Promotion of Research, University of Toyama, Toyama 930-8555, Japan
²Institute of Advanced Energy, Kyoto University, Kyoto 611-0011, Japan
³NRC “Kurchatov Institute”, Kurchatov sq. 1, Moscow 123182, Russia
⁴Institute for Materials Research, Tohoku University, Miyagi 980-8577,
⁵Graduate School of Engineering, Osaka University, Osaka 565-0871, Japan

ISOTOPE EFFECTS ON HYDROGEN RETENTION, TRAPPING AND PERMEATION IN COPPER-BASED MATERIALS

Yuji Hatano¹, Xiang Xin^1*, Peng Shi^1*, Vladimir Kh. Alimov^1,2, Takeshi Toyama³,Naoki Ebisawa³, Sosuke Kondo⁴, Tatsuya Hinoki^5
1Hydrogen Isotope Research Center, Organization for Promotion of Research, University of Toyama , Toyama 930-8555, Japan
²A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, 119071, Russia
³Institute for Materials Research, Tohoku University, Oarai, Ibaraki 311-1313, Japan
⁴Institute for Materials Research, Tohoku University, Sendai, Miyagi 980-8577, Japan
⁵Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan

Gamma-ray irradiation effect on deuterium retention in reduced activation ferritic/martensitic steel and ceramic coatings

Shota Nakazawa^1*, Kazuki Nakamura¹, Hikari Fujita², Hans Maier³, Thomas Schwarz-Selinger³,Yuji Hatano⁴, Naoko Ashikawa⁵, Wataru Inami¹, Yoshimasa Kawata¹, Takumi Chikada^1
1Shizuoka University, Shizuoka, Japan
²University of Tokyo, Tokyo, Japan
³Max-Planck-Institut für Plasmaphysik, 85748 Garching, Germany
⁴University of Toyama, Toyama, Japan
⁵National Institute for Fusion Science, Gifu, Japan

PL-2:Overview of Japan-US Project PHENIX: Technological Assessment of He-Cooled Divertor with Tungsten for DEMO Reactors

Yuji Hatano ^a*, Daniel Clark ^b, Yoshio Ueda ^c, Yutai Katoh ^d, Takehiko Yokomine ^e, Minami Yoda ^f, Adrian S. Sabau ^d, Tatsuya Hinoki ^e, Akira Hasegawa ^g, Lauren M. Garrison ^d, J. Wilna Geringer ^d, Yasuhisa Oya ^h, Masashi Shimada ⁱ, Dean Buchenauer ^j, Takeo Muroga <sup>k

a</sup> University of Toyama, Japan
^b United States Department of Energy, USA
^c Osaka University, Japan
^d Oak Ridge National Laboratory, USA
^e Kyoto University, Japan
^f Georgia Institute of Technology, USA
^g Tohoku Univeristy, Japan
^h Shizuoka University, Japan
^I Idaho National Laboratory, USA
^j Sandia National Laboratory, Livermore, USA
^k National Institute for Fusion Science, Japan

P1-024:Tritium Distribution Analysis on Be Limiter Tiles from JET-ITER Like Wall Campaigns using Imaging Plate Technique and β-Ray Induced X-ray Spectrometry

Sun Eui Lee ^a*, Y. Hatano ^a, M. Hara ^a, S. Masuzaki ^b, M. Tokitani ^b, M. Oyaizu ^c, H. Kurotaki ^c, D. Hamaguchi ^c, H. Nakamura ^c, N. Asakura ^c, Y. Oya ^d, A. Widdowson ^e, S. Jachmich ^f, M. Rubel ^g, J. Likonen ^h and JET contributors
^a University of Toyama, Toyama, Japan
^b National Institute for Fusion Science, Toki, Japan
^c National Institutes for Quantum and Radiological Science and Technology (QST), Rokkasho Aomori, Japan,
^d Shizuoka University, Shizuoka, Japan
^e Culham Centre for Fusion Energy, Culham Science Centre, Abingdon, UK
^f Association Euratom-Etat Belge, ERM-KMS, Brussels Belgium
^g KTH Royal Institute of Technology, Stockholm, Sweden
^h VTT Technical Research Centre of Finland, VTT, Finland

P3-031:Hydrogen Isotope Exchange in Tungsten During Baking in Hydrogen Isotope Atmosphere

Yuji Nobuta ^a*, Yuji Hatano ^b, Sun Eui Lee ^c, Masato Nakayama ^b
a Graduate school of Engineering, Hokkaido University, Sapporo, Japan
^b Hydrogen Isotope Research Center, University of Toyama, Toyama, Japan
^c Graduate School of Science and Engineering, University of Toyama, Toyama, Japan

P3-031:Deuterium Retention in Plasma-Implanted W with Various Damage Distributions

Shota Yamazaki ^a*, Akihiro Togari ^a, Moeko Nakata ^a, Ayaka Koike ^a, Takuro Wada ^a, Mingzhong Zhao ^a, Fei Sun ^b, Tatsuya Kuwabara ^c, Yuji Hatano ^d, Takeshi Toyama ^e, Noriyasu Ohno ^c, Yasuhisa Oya ^a
a Graduate School of Integrated Science and Technology, Shizuoka University, Shizuoka, Japan
^b Faculty of Science, Shizuoka University, Shizuoka, Japan
^c Graduate School of Engineering, Nagoya University, Nagoya, Japan
^d Hydrogen Isotope Research Center, University of Toyama, Toyama, Japan
^e Institute for Materials Research, Tohoku University, Ibaraki, Japan

Beta-ray induced X-ray spectromery: Application to measurements of T concentrations in gas, liquid and solid phases

Yuji Hatano

P-EC-003:Photocatalytic decomposition of hydrogen iodide on transition metal doped strontium titanates for solar hydrogen production

Hidehisa Hagiwara

O1A.1:The Development of Deuterium-Tritium Target for Inertial Confinement Fusion on Gekko XII-LFEX Facility

Yasunobu Arikawa^1*, Yuki Iwasa¹, Kohei Yamanoi¹, Keisuke Iwano¹, Shinsuke Fujioka¹, Akifumi Iwamoto²,Mitsuo Nakai¹, Yuji Hatano³, Masanori Hara³, Satoshi Akamaru³, Takayoshi Norimatsu<sup>1

1</sup>Osaka University, Japan,
²National Institute of Fusion Science, Japan,
³University of Toyama ,Japan

O1A.3：Observations of Tritium Inventory in JET-ILW Dust Particles and Applications to Metal Wall Fusion Devices

Naoko Ashikawa^1*, Teppei Otsuka², Yuji Torikai³, Nobuyuki Asakura⁴, Anna Widdowson⁵, Marek Rubel⁶, Hikaru Furuta³, Hironori Kurotaki⁴, Masami Ando⁴, Dai Hamaguchi⁴, Suguru Masuzaki¹, Yuji Hatano⁷, Hirofumi Hanamura⁴, Stefan Jachmich⁵, Takumi Hayashi<sup>4

1</sup>National Institute of Fusion Science, Japan,
²KINDAI University, Japan,
³Ibaraki University, Japan,
⁴National Institutes for Quantum and Radiological Science and Technology, Japan,
⁵Culham Center of Fusion Energy, UK,
⁶KTH Royal Institute of Technology, Sweden,
⁷University of Toyama, Japan

P1_17:Detritiation of Tungsten After Tritium Gas Exposure

N. Bobyr^1*, A. Spitsyn¹, A. Anikin², B. Ivanov², A. Bukin², N. Zabirova², Y. Hatano^3
1National Research Center “Kurchatov Institute”, Russian Federation,
²Joint Stock Company "A.A. Bochvar Hightechnology Research Institute of Inorganic Materials", Russian Federation,
³University of Toyama, Japan

P1_27:Damage Distribution Dependence on Hydrogen Isotope Retention Behavior in Neutron - Fe²⁺ Implanted W

Moeko Nakata^1*, Akihiro Togari¹, Zhao Mingzhong¹, Fei Sun¹, Yuji Hatano², Takeshi Toyama³, Naoaki Yoshida ⁴, Hideo Watanabe ⁴, Masashi Shimada ⁵, Dean Buchenauer⁶, Yasuhisa Oya <sup>1

1</sup>Shizuoka University, Japan,
²University of Toyama, Japan,
³Tohoku University, Japan,
⁴Kyushu University, Japan,
⁵Idaho National Laboratory,USA,
⁶Sandia National Laboratories, USA

P1_30:The Deuterium Permeation Behavior in Fe Ions Damaged Tungsten Studied by Gas-Driven Permeation Method

Mingzhong Zhao^1*, Moeko Nakata¹, Fei Sun¹, Yuji Hatano², Yoji Someya³, Kenji Tobita³, Yasuhisa Oya^1
1Shizuoka University, Japan,
²University of Toyama, Japan,
³National Institutes for Quantum and Radiological Science and Technology, Japan

P1_60:Tritium Dissolution Behavior in Rare-Earth Oxides

M. Khalid Hossain¹, Kenichi Hashizume^1*, Shinnosuke Jo¹, Kaname Kawaguchi¹, Yuji Hatano^2
1Kyushu University, Japan,
²University of Toyama, Japan

P2_30:Study of Preparation and Hydrogen Isotope (H₂and D₂) Sorption of CHA-Type Zeolite

Akira Taguchi^1*, Takumi Nakamori¹, Yuki Yoneyama¹, Takahiko Sugiyama², Masahiro Tanaka³, Kenji Kotoh⁴, Yu Tachibana⁵,Tatsuya Suzuki<sup>5

1</sup>University Toyama, Japan,
²Nagoya University, Japan,
³National Institute for Fusion Science, Japan,
⁴Kyushu University,Japan,
⁵Nagaoka University Technology, Japan

P2_57:Quenching Correction with Two-Dimensional Scintillation Spectrum in Tritium Measurement

Masanori Hara^1*, Miki Shoji¹, Tsukasa Aso², Takayoshi Furusawa³, Yuka Kato³, Takuro Masuda<sup>3

1</sup>University of Toyama, Japan,
²National Institute of Technology, Toyama College, Japan,
³Hitachi, Ltd., Japan

O6A.1:Retention and Transport of Tritium and Hydrogen Isotopes in Fusion Reactor Materials

Yuji Hatano^* 　　　　University of Toyama, Japan

P3_08:Kinetics of Double Strand Breaks of Genome-Seized DNA in Low Concentration Tritiated Water Evaluated Using Single Molecule Observation Method

H. Shimoyachi^1*, Y. Hatano², T. Kenmotsu³, Y. Oya⁴, H. Nakamura^5
1University of Toyama, Japan,
²Doshisha University, Japan,
³Shizuoka University, Japan,
⁴National Institute for Fusion Science, Japan

P3_28:Applicability of a 100 ml Polyethylene Vial for Low Level Tritium Measurement by a Low Background Liquid Scintillation Counter

Yoshinari Oshimi¹, Mayu Ohki¹, Misato Nagano¹, Takuyo Yasumatsu^1*, Masanori Hara², Satoshi Akamaru², Masato Nakayama², Miki Shoji²

¹Tokyo Power Technology Ltd., Japan
²University of Toyama, Japan

P3_29:Influence of Internal Structure of Semiconductor Detector on β-ray Induced X-Ray Spectrum

 

S. E. Lee^*, Y. Hatano, M. Hara, M. Matsuyama
University of Toyama, Japan