Research output per year
Research output per year
- 1 - 50 out of 84 results
Search results
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2025
Design and Installation of a Tritium Removal System for Workspaces and an Evaluation Method for Tritium Removal Performance with Hydrogen and Its Compounds
Ikemoto, N., Shiraishi, H., Tsuguchi, A., Nakamura, M., Mizuniwa, N., Akamaru, S. & Hara, M., 2025, (Accepted/In press) In: Fusion Science and Technology.Research output: Contribution to journal › Article › peer-review
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Thermofluid simulation of hydrogen isotopologue mixtures during the solidification process
Zhang, J., Iwamoto, A., Shigemori, K., Hara, M. & Yamanoi, K., 2025/03, In: Fusion Engineering and Design. 212, 114827.Research output: Contribution to journal › Article › peer-review
Open Access -
2024
Application of a single crystal CVD diamond detector for fast neutron measurement in high dose and mixed radiation fields
Kobayashi, M. I., Yoshihashi, S., Ogawa, K., Isobe, M., Aso, T., Hara, M., Sangaroon, S., Tamaki, S., Murata, I. & Osakabe, M., 2024, 2024 IEEE International Conference on Consumer Electronics, ICCE 2024. Institute of Electrical and Electronics Engineers Inc., (Digest of Technical Papers - IEEE International Conference on Consumer Electronics).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
1 Scopus citations -
Application of a Single-Crystal CVD Diamond Detector for Fast Neutron Measurement in High Dose and Mixed Radiation Fields
Kobayashi, M. I., Yoshihashi, S., Ogawa, K., Isobe, M., Aso, T., Hara, M., Sangaroon, S., Kusaka, S., Tamaki, S., Murata, I., Toyama, S., Miwa, M., Matsuyama, S. & Osakabe, M., 2024, In: IEEE Transactions on Instrumentation and Measurement. 73, 6010808.Research output: Contribution to journal › Article › peer-review
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Precise Spectroscopy of the 3n and 3p Systems via the H 3 (t, He 3)3n and He 3 (He 3, t)3p Reactions at Intermediate Energies
RIBF-SHARAQ11 Collaboration and RCNP-E502 Collaboration, 2024/07/05, In: Physical Review Letters. 133, 1, 012501.Research output: Contribution to journal › Article › peer-review
3 Scopus citations -
Refractive Index Measurements of Solid Hydrogen Isotopologues
Zhang, J., Iwamoto, A., Shigemori, K., Hara, M. & Yamanoi, K., 2024, In: Fusion Science and Technology. 80, 3-4, p. 550-557 8 p.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
Simultaneous measurements for fast neutron flux and tritium production rate using pulse shape discrimination and single crystal CVD diamond detector
Kobayashi, M. I., Yoshihashi, S., Ogawa, K., Isobe, M., Aso, T., Hara, M., Sangaroon, S., Tamaki, S., Murata, I., Toyama, S., Miwa, M., Matsuyama, S. & Osakabe, M., 2024/06, In: Nuclear Fusion. 64, 6, 066026.Research output: Contribution to journal › Article › peer-review
Open Access2 Scopus citations -
2023
Control and Application of Ultrahigh Hydrogen Flux in Materials
KOBAYASHI, M. I., HATANO, Y., HARA, M., OYA, Y., YAMAUCHI, Y., OTSUKA, T. & NAGASAKA, T., 2023, In: Plasma and Fusion Research. 18, 2105073.Research output: Contribution to journal › Article › peer-review
Open Access1 Scopus citations -
Corrigendum to <’Adsorption of hydrogen and deuterium on A-type zeolites at 77 K after various heat treatments’> <[Fusion Engineering and Design 158 (2020) 111701]> (Fusion Engineering and Design (2020) 158, (S0920379620302490), (10.1016/j.fusengdes.2020.111701))
Ikemoto, N., Kawakami, T., Yonehara, K., Natori, Y., Tatenuma, K. & Hara, M., 2023/10, In: Fusion Engineering and Design. 195, 113967.Research output: Contribution to journal › Comment/debate
Open Access -
Development and fabrication of a thick Ti-3H target for the 3H(t,3He)3n experiment at intermediate energies
Miki, K., Utsuki, Y., Hara, M., Hatano, Y., Imai, N., Inoue, M., Itoh, M., Kameya, K., Kitayama, S., Maruta, Y., Matsuda, Y., Saito, Y., Sakai, D., Uesaka, T., Umetsu, H., Urayama, R., Wang, J., Kamada, K., Shoji, Y. & Yoshikawa, A., 2023/11, In: Nuclear Inst. and Methods in Physics Research, A. 1056, 168583.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
Influence of tritium distribution in aluminum and iron for shape of the beta-ray induced X-ray spectrum
Hara, M., Fujimoto, Y., Akamaru, S., Aso, T. & Röllig, M., 2023/11, In: Fusion Engineering and Design. 196, 114009.Research output: Contribution to journal › Article › peer-review
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Refractive index measurement of hydrogen isotopologue mixture and applicability for homogeneity of hydrogen solid at cryogenic temperature in fusion fuel system
Zhang, J., Iwamoto, A., Shigemori, K., Hara, M. & Yamanoi, K., 2023/07, In: Nuclear Fusion. 63, 7, 076020.Research output: Contribution to journal › Article › peer-review
Open Access3 Scopus citations -
2022
Anomalous Hall effect of PdCo alloy thin films to detect low hydrogen concentration in air
Akamaru, S., Yamamoto, H. & Hara, M., 2022/02/05, In: International Journal of Hydrogen Energy. 47, 11, p. 7491-7498 8 p.Research output: Contribution to journal › Article › peer-review
Open Access4 Scopus citations -
Refractive index measurements of solid deuterium–tritium
Iwano, K., Zhang, J., Iwamoto, A., Iwasa, Y., Shigemori, K., Hara, M., Hatano, Y., Norimatsu, T. & Yamanoi, K., 2022/12, In: Scientific Reports. 12, 1, 2223.Research output: Contribution to journal › Article › peer-review
Open Access3 Scopus citations -
2021
Cracking behavior and microstructural, mechanical and thermal characteristics of tungsten–rhenium binary alloys fabricated by laser powder bed fusion
Yamamoto, T., Hara, M. & Hatano, Y., 2021/11, In: International Journal of Refractory Metals and Hard Materials. 100, 105651.Research output: Contribution to journal › Article › peer-review
Open Access30 Scopus citations -
Effects of fabrication conditions on the microstructure, pore characteristics and gas retention of pure tungsten prepared by laser powder bed fusion
Yamamoto, T., Hara, M. & Hatano, Y., 2021/02, In: International Journal of Refractory Metals and Hard Materials. 95, 105410.Research output: Contribution to journal › Article › peer-review
24 Scopus citations -
Monte Carlo simulation of the beta-ray induced X-ray spectra of tritium at various depths in solids
Hara, M., Shimura, T., Aoki, K., Matsuyama, M., Aso, T. & Röllig, M., 2021/11, In: Fusion Engineering and Design. 172, 112814.Research output: Contribution to journal › Article › peer-review
Open Access5 Scopus citations -
Suitability of a simple sampler using a brass bar for gaseous tritiated water measurement
Nakayama, M., Hara, M., Kobayashi, F., Oyama, S., Ota, M., Sakajo, T., Nakagawa, H. & Kondo, M., 2021/11, In: Fusion Engineering and Design. 172, 112743.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
Tritium behavior in isotropic graphite at room temperature
Kawamura, N., Matoba, S., Makimura, S., Hara, M. & Hatano, Y., 2021/11, In: Fusion Engineering and Design. 172, 112801.Research output: Contribution to journal › Article › peer-review
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Working environment of tritium analysis for photoluminescence control
Ohki, M., Matsunaga, T., Yasumatsu, T. & Hara, M., 2021/09, In: Fusion Engineering and Design. 170, 112679.Research output: Contribution to journal › Article › peer-review
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2020
Adsorption of hydrogen and deuterium on A-type zeolites at 77 K after various heat treatments
Ikemoto, N., Kawakami, T., Yonehara, K., Natori, Y., Tatenuma, K. & Hara, M., 2020/09, In: Fusion Engineering and Design. 158, 111701.Research output: Contribution to journal › Article › peer-review
6 Scopus citations -
Helium and hydrogen interaction in tungsten simultaneously irradiated by He+-H2 + at high temperature
Zhou, Q., Togari, A., Nakata, M., Zhao, M., Sun, F., Yajima, M., Tokitani, M., Masuzaki, S., Yoshida, N., Hara, M., Hatano, Y. & Oya, Y., 2020/03/20, In: International Journal of Hydrogen Energy. 45, 16, p. 9959-9968 10 p.Research output: Contribution to journal › Article › peer-review
8 Scopus citations -
Synergistic effects of high energy helium irradiation and damage introduction at high temperature on hydrogen isotope retention in plasma facing materials
Sun, F., Nakata, M., Lee, S. E., Zhao, M., Wada, T., Yamazaki, S., Koike, A., Kondo, S., Hinoki, T., Hara, M. & Oya, Y., 2020/05, In: Journal of Nuclear Materials. 533, 152122.Research output: Contribution to journal › Article › peer-review
21 Scopus citations -
Tritium distribution analysis of Be limiter tiles from JET-ITER like wall campaigns using imaging plate technique and β-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. & Rubel, M., 2020/11, In: Fusion Engineering and Design. 160, 111959.Research output: Contribution to journal › Article › peer-review
8 Scopus citations -
2019
Galet – Benchmark of a Geant4 based application for the simulation and design of Beta Induced X-ray Spectrometry systems
Röllig, M., Aso, T., Hara, M. & Priester, F., 2019/06, In: Fusion Engineering and Design. 143, p. 91-98 8 p.Research output: Contribution to journal › Article › peer-review
9 Scopus citations -
Hydrogenation effect on magnetic properties of Pd–Co alloys
Akamaru, S., Kimura, A., Hara, M., Nishimura, K. & Abe, T., 2019/08/15, In: Journal of Magnetism and Magnetic Materials. 484, p. 8-13 6 p.Research output: Contribution to journal › Article › peer-review
16 Scopus citations -
Tritium distributions on W-coated divertor tiles used in the third JET ITER-like wall campaign
Hatano, Y., Lee, S. E., Likonen, J., Koivuranta, S., Hara, M., Masuzaki, S., Asakura, N., Isobe, K., Hayashi, T., Ikonen, J., Widdowson, A. & JET contributors, 2019/01/01, In: Nuclear Materials and Energy. 18, p. 258-261 4 p.Research output: Contribution to journal › Article › peer-review
10 Scopus citations -
2018
Helium retention behavior in simultaneously He+-H2+ irradiated tungsten
Zhou, Q., Azuma, K., Togari, A., Yajima, M., Tokitani, M., Masuzaki, S., Yoshida, N., Hara, M., Hatano, Y. & Oya, Y., 2018/04/15, In: Journal of Nuclear Materials. 502, p. 289-294 6 p.Research output: Contribution to journal › Article › peer-review
19 Scopus citations -
Modification of LSC spectra of 125I by high atomic number elements
Shoji, M., Aso, T., Hara, M., Benii, R., Kato, Y., Furusawa, T. & Yoshimura, T., 2018/09, In: Applied Radiation and Isotopes. 139, p. 131-136 6 p.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
Monte Carlo simulation of tritium beta-ray induced X-ray spectrum in various gases
Hara, M., Uchikawa, R., Hatano, Y., Matsuyama, M., Aso, T., Kawakami, T. & Ito, T., 2018/06, In: Fusion Engineering and Design. 131, p. 125-129 5 p.Research output: Contribution to journal › Article › peer-review
9 Scopus citations -
2017
Design of a tritium gas cell for beta-ray induced X-ray spectrometry using Monte Carlo simulation
Hara, M., Abe, S., Matsuyama, M., Aso, T., Tatenuma, K., Kawakami, T. & Ito, T., 2017/06/01, In: Fusion Engineering and Design. 119, p. 12-16 5 p.Research output: Contribution to journal › Article › peer-review
11 Scopus citations -
Hydrogen sensing ability of Cu particles coated with ferromagnetic Pd–Co layer
Akamaru, S., Jin, L., Nishimura, K., Hara, M., Abe, T. & Matsuyama, M., 2017/06/22, In: International Journal of Hydrogen Energy. 42, 25, p. 16305-16312 8 p.Research output: Contribution to journal › Article › peer-review
6 Scopus citations -
Tritium analysis of divertor tiles used in JET ITER-like wall campaigns by means of β-ray induced x-ray spectrometry
Hatano, Y., Yumizuru, K., Koivuranta, S., Likonen, J., Hara, M., Matsuyama, M., Masuzaki, S., Tokitani, M., Asakura, N., Isobe, K., Hayashi, T., Baron-Wiechec, A. & Widdowson, A., 2017/12/01, In: Physica Scripta T. 2017, T170, 014014.Research output: Contribution to journal › Conference article › peer-review
10 Scopus citations -
2016
Dependence of CuO particle size and diameter of reaction tubing on tritium recovery for tritium safety operation
Hu, C., Uemura, Y., Yuyama, K., Fujita, H., Sakurada, S., Azuma, K., Taguchi, A., Hara, M., Hatano, Y., Chikada, T. & Oya, Y., 2016/12/01, In: Fusion Engineering and Design. 113, p. 313-317 5 p.Research output: Contribution to journal › Article › peer-review
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Tritium-doping enhancement of polystyrene by ultraviolet laser and hydrogen plasma irradiation for laser fusion experiments
Iwasa, Y., Yamanoi, K., Iwano, K., Empizo, M. J. F., Arikawa, Y., Fujioka, S., Sarukura, N., Shiraga, H., Takagi, M., Norimatsu, T., Azechi, H., Noborio, K., Hara, M. & Matsuyama, M., 2016/11/15, In: Fusion Engineering and Design. 112, p. 269-273 5 p.Research output: Contribution to journal › Article › peer-review
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2015
Defect annealing and thermal desorption of deuterium in low dose HFIR neutron-irradiated tungsten
Shimada, M., Hara, M., Otsuka, T., Oya, Y. & Hatano, Y., 2015/07/22, In: Journal of Nuclear Materials. 463, p. 1005-1008 4 p., 48551.Research output: Contribution to journal › Article › peer-review
Open Access17 Scopus citations -
Sensing hydrogen in the gas phase using ferromagnetic Pd-Co films
Akamaru, S., Matsumoto, T., Murai, M., Nishimura, K., Hara, M. & Matsuyama, M., 2015/08/11, In: Journal of Alloys and Compounds. 645, S1, p. S213-S216 33097.Research output: Contribution to journal › Article › peer-review
16 Scopus citations -
2014
Alloying effects on the hydrogen-storage capability of Pd-TM-H (TM = Cu, Au, Pt, Ir) systems
Akamaru, S., Hara, M. & Matsuyama, M., 2014/11/25, In: Journal of Alloys and Compounds. 614, p. 238-243 6 p.Research output: Contribution to journal › Article › peer-review
20 Scopus citations -
2013
Analysis of a tritium enhanced water spectrum between 7200 and 7245 cm -1 using new variational calculations
Down, M. J., Tennyson, J., Hara, M., Hatano, Y. & Kobayashi, K., 2013, In: Journal of Molecular Spectroscopy. 289, p. 35-40 6 p.Research output: Contribution to journal › Article › peer-review
Open Access13 Scopus citations -
Effect of substituting elements on hydrogen uptake for Pd-Rh-H and Pd-Ag-H systems evaluated by magnetic susceptibility measurement
Akamaru, S., Hara, M., Nunomura, N. & Matsuyama, M., 2013/06/18, In: International Journal of Hydrogen Energy. 38, 18, p. 7569-7575 7 p.Research output: Contribution to journal › Article › peer-review
7 Scopus citations -
Evaluation of terminal composition of palladium-silver hydrides in plateau region by electronic structure calculations
Hara, M., Fujinami, H., Akamaru, S., Nunomura, N., Watanabe, K., Nishimura, K. & Matsuyama, M., 2013, In: Journal of Alloys and Compounds. 580, SUPPL1, p. S202-S206Research output: Contribution to journal › Article › peer-review
4 Scopus citations -
Inverse isotope effect of ZrMnx (x=1.9 or 2.0)-Q2 (Q=H or D) system
Hara, M., Yamamoto, T., Nishimura, K., Akamaru, S., Watanabe, K. & Matsuyama, M., 2013/08, In: Journal of Physics and Chemistry of Solids. 74, 8, p. 1174-1178 5 p.Research output: Contribution to journal › Article › peer-review
2 Scopus citations -
Magnetic susceptibility of the Pd-Co-H system
Akamaru, S., Matsumoto, T., Hara, M., Nishimura, K., Nunomura, N. & Matsuyama, M., 2013, In: Journal of Alloys and Compounds. 580, SUPPL1, p. S102-S104Research output: Contribution to journal › Article › peer-review
26 Scopus citations -
Magnetism and electronic structure calculations of Pd-TM alloys and hydrogen systems
Nunomura, N., Hara, M. & Akamaru Information Technology Center, S., 2013, 8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8. John Wiley and Sons Inc., p. 1837-1841 5 p. (8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8; vol. 3).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
1 Scopus citations -
Retention and desorption behavior of tritium in Si related ceramics
Oya, Y., Hatano, Y., Hara, M., Matsuyama, M. & Okuno, K., 2013, In: Journal of Nuclear Materials. 438, 1-3, p. 22-25 4 p.Research output: Contribution to journal › Article › peer-review
10 Scopus citations -
Retention of hydrogen isotopes in neutron irradiated tungsten
Hatano, Y., Shimada, M., Oya, Y., Cao, G., Kobayashi, M., Hara, M., Merrill, B. J., Okuno, K., Sokolov, M. A. & Katoh, Y., 2013, In: Materials Transactions. 54, 4, p. 437-441 5 p.Research output: Contribution to journal › Review article › peer-review
Open Access29 Scopus citations -
Trapping of hydrogen isotopes in radiation defects formed in tungsten by neutron and ion irradiations
Hatano, Y., Shimada, M., Alimov, V. K., Shi, J., Hara, M., Nozaki, T., Oya, Y., Kobayashi, M., Okuno, K., Oda, T., Cao, G., Yoshida, N., Futagami, N., Sugiyama, K., Roth, J., Tyburska-Püschel, B., Dorner, J., Takagi, I., Hatakeyama, M. & Kurishita, H. & 1 others, , 2013, In: Journal of Nuclear Materials. 438, SUPPL, p. S114-S119Research output: Contribution to journal › Article › peer-review
Open Access89 Scopus citations -
Tritium retention in nanostructured tungsten with large effective surface area
Yajima, M., Hatano, Y., Kajita, S., Shi, J., Hara, M. & Ohno, N., 2013, In: Journal of Nuclear Materials. 438, SUPPL, p. S1142-S1145Research output: Contribution to journal › Article › peer-review
30 Scopus citations -
2012
In situ measurement of alternating current magnetic susceptibility of Pd-hydrogen system for determination of hydrogen concentration in bulk
Akamaru, S., Hara, M. & Matsuyama, M., 2012/07, In: Review of Scientific Instruments. 83, 7, 075102.Research output: Contribution to journal › Review article › peer-review
10 Scopus citations -
Measurement of tritium concentration in water by imaging plate
Hatano, Y., Hara, M., Ohuchi-Yoshida, H., Nakamura, H. & Yamanishi, T., 2012/08, In: Fusion Engineering and Design. 87, 7-8, p. 965-968 4 p.Research output: Contribution to journal › Article › peer-review
7 Scopus citations