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Journal Articles

Multipole polaron in the devil's staircase of CeSb

Arai, Yosuke*; Kuroda, Kenta*; Nomoto, Takuya*; Tin, Z. H.*; Sakuragi, Shunsuke*; Bareille, C.*; Akebi, Shuntaro*; Kurokawa, Kifu*; Kinoshita, Yuto*; Zhang, W.-L.*; et al.

Nature Materials, 21(4), p.410 - 415, 2022/04

 Times Cited Count:7 Percentile:77.62(Chemistry, Physical)

Journal Articles

Control of epitaxy of graphene by crystallographic orientation of a Si substrate toward device applications

Fukidome, Hirokazu*; Takahashi, Ryota*; Abe, Shunsuke*; Imaizumi, Kei*; Handa, Hiroyuki*; Kang, H. C.*; Karasawa, Hiromi*; Suemitsu, Tetsuya*; Otsuji, Taiichi*; Enta, Yoshiharu*; et al.

Journal of Materials Chemistry, 21(43), p.17242 - 17248, 2011/11

 Times Cited Count:28 Percentile:63.34(Chemistry, Physical)

Journal Articles

Study of irradiation induced restructuring of high burnup fuel; The New cross-over project (NXO) to study rim-structure formation

Kinoshita, Motoyasu*; Geng, H. Y.*; Chen, Y.*; Kaneta, Yasunori*; Iwasawa, Misako*; Onuma, Toshiharu*; Sonoda, Takeshi*; Yasunaga, Kazufumi*; Matsumura, Sho*; Yasuda, Kazuhiro*; et al.

Proceedings of 2006 International Meeting on LWR Fuel Performance (TopFuel 2006) (CD-ROM), p.248 - 254, 2006/10

The New Crossover Project (NXO) is studying effect of fission irradiation on fuel material that research activity is crossing over universities, national and private laboratories. Simulation studies are being performed to find principal and triggering processes of the rim-structure formation in high burnup LWR fuel pellet, using accelerator irradiation and computational calculations. Accelerator irradiation, high energy electron irradiation, fission energy particle beam and ion implantation (ragegas atoms) and combined overlapping irradiations are being performed. For the target of irradiation, CeO$$_{2}$$ isused as simulation of nuclear fuel. The initial results were such as planar structure made by Oxygen defects created by high energy electrons, and surface modification similar to grain-sub-division created by high fluence high energy particle irradiations.

Journal Articles

Re-evaluation of the phase relationship between plutonium and zirconium dioxides

Serizawa, Hiroyuki; Nakajima, Kunihisa; Arai, Yasuo; Yamashita, Toshiyuki; Kuramoto, Kenichi; Kinoshita, H.*; Yamanaka, Shinsuke*; Uno, Masayoshi*; Kurosaki, K.*

Progress in Nuclear Energy, 38(3-4), p.237 - 240, 2001/02

 Times Cited Count:5 Percentile:38.97(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Experiments of high energy gain laser wakefield acceleration

Dewa, Hidenori*; H.Ahn*; Harano, Hideki*; Kando, Masaki*; Kinoshita, Kenichi*; Kondo, Shuji; Kotaki, Hideyuki; Nakajima, Kazuhisa*; Nakanishi, Hiroshi*; Ogata, Atsushi*; et al.

Nuclear Instruments and Methods in Physics Research A, 410(3), p.357 - 363, 1998/00

 Times Cited Count:40 Percentile:92.83(Instruments & Instrumentation)

no abstracts in English

JAEA Reports

Study on Evaluation of Excavation Disturbed Zone at kamaishi Mine in 1996

Horita, Masakuni*; Kinoshita, Naoto*; Yoshioka, Naoya*; Tsuchihara, H.*

JNC TJ7400 2005-014, 424 Pages, 1997/03

In this study, the excavation disturbed zone (EDZ) in deep rock is evaluated in the 250m-level drift st the Kamaishi Mine for the kamaishi In-situ Test Project, Phase II.

Journal Articles

A Short pulse X-ray generation via laser thomson scattering on relativistic electron beams

Kotaki, Hideyuki; Nakajima, Kazuhisa*; Kando, Masaki*; H.Ahn*; Dewa, Hidenori*; Kondo, Shuji; *; Watanabe, Takahiro*; Ueda, Toru*; Nakanishi, Hiroshi*; et al.

Proc. of 11th Symp. on Accelerator Sci. and Technol., p.449 - 451, 1997/00

no abstracts in English

Journal Articles

Spin-resolved core-level photoemission spectra of ferromagnetic nickel

Saito, Yuji; Suga, Shigemasa*; Kakizaki, A.*; Matsushita, T.*; Imada, S.*; Daimon, H.*; Ono, Kanta*; Fujisawa, M.*; Kinoshita, T.*; Ishii, T.*; et al.

Journal of Electron Spectroscopy and Related Phenomena, 78, p.329 - 332, 1996/05

 Times Cited Count:0 Percentile:0.03(Spectroscopy)

no abstracts in English

JAEA Reports

None

*; Tsuchihara, H.*; Horita, M.*; Kinoshita, Naoto*

PNC TJ1449 96-008, 189 Pages, 1996/03

PNC-TJ1449-96-008.pdf:7.82MB

None

JAEA Reports

None

Yoshioka, Naoya*; Tsuchihara, H.*; Horita, M.*; Kinoshita, Naoto*

PNC TJ1449 96-007, 349 Pages, 1996/03

PNC-TJ1449-96-007.pdf:13.22MB

None

Oral presentation

Properties of interatomic potentials for CeO$$_{2}$$ and UO$$_{2}$$

Nakamura, Jinichi; Kaneta, Yasunori*; Chen, Y.*; Geng, H.*; Iwasawa, Misako*; Onuma, Toshiharu*; Kinoshita, Motoyasu

no journal, , 

no abstracts in English

Oral presentation

First principles study on formation enegitics of point defects in UO$$_{2}$$ and CeO$$_{2}$$

Nakamura, Jinichi; Chen, Y.*; Iwasawa, Misako*; Onuma, Toshiharu*; Kaneta, Yasunori*; Geng, H.*; Kinoshita, Motoyasu

no journal, , 

no abstracts in English

Oral presentation

Oxygen defects configration in UO$$_{2}$$; Dimer and planar ordering

Nakamura, Jinichi; Geng, H.*; Chen, Y.*; Kaneta, Yasunori*; Iwasawa, Misako*; Onuma, Toshiharu*; Kinoshita, Motoyasu

no journal, , 

Oral presentation

Anion-exchange behavior of element 105, Db, in HF/HNO$$_{3}$$ media

Kasamatsu, Yoshitaka; Toyoshima, Atsushi; Asai, Masato; Tsukada, Kazuaki; Haba, Hiromitsu*; Ishii, Yasuo; Tome, Hayato; Nishinaka, Ichiro; Akiyama, Kazuhiko*; Kikunaga, Hidetoshi*; et al.

no journal, , 

Dubnium-262 was produced in the $$^{248}$$Cm($$^{19}$$F, 5${it n}$) reaction at the JAEA tandem accelerator. Adsorption of Db on the anion-exchange resin was investigated in 0.89 M HF/0.3 M HNO$$_{3}$$ solution. The anion-exchange behavior of Nb, Ta, and Pa as homologues of Db was also examined in details in HF/HNO$$_{3}$$ solutions. From the comparison of those results, we found that the adsorption of Db on the anion-exchange resin is considerably weaker than that of Ta and is relatively similar to those of Nb and Pa in the studied conditions.

Oral presentation

Chemical behavior of element-105, Db, in mixed HF/HNO$$_{3}$$ solutions

Kasamatsu, Yoshitaka; Tome, Hayato; Toyoshima, Atsushi; Tsukada, Kazuaki; Asai, Masato; Ishii, Yasuo; Nishinaka, Ichiro; Sato, Tetsuya; Shinohara, Nobuo; Nagame, Yuichiro; et al.

no journal, , 

Anion-exchange behavior of $$^{262}$$Db (half-life ${it T$_{1/2}$}$ = 34 s) produced in the $$^{248}$$Cm($$^{19}$$F, 5${it n}$) reaction at the JAEA tandem accelerator was investigated in the mixed 0.89 M HF/0.3 M HNO$$_{3}$$ solution ([F$$^{-}$$] = 3 $$times$$ 10$$^{-3}$$ M) with the automated ion-exchange separation apparatus coupled with the detection system for alpha-spectroscopy (AIDA). Anion-exchange behavior of its lighter homologues, Nb and Ta, was also studied under the same conditions using $$^{88}$$Nb (${it T$_{1/2}$}$ = 14.3 min) and $$^{170}$$Ta (${it T$_{1/2}$}$ = 6.76 min) produced in the $$^{nat}$$Ge($$^{19}$$F, ${it xn}$) and $$^{nat}$$Gd($$^{19}$$F, ${it xn}$) reactions, respectively. It was found that the adsorption probability on the anion-exchange resin is in the order of Ta $$>$$ Nb $$sim$$ Db under the present condition.

Oral presentation

Study of fission and high-burnup induced restructuring of nuclear fuel ceramics; Applying computer science to investigate kinetic process

Kinoshita, Motoyasu; Chen, Y.*; Kaneta, Yasunori*; Geng, H. Y.*; Iwasawa, Misako*; Onuma, Toshiharu*; Ichinomiya, Takashi*; Nishiura, Yasumasa*; Itakura, Mitsuhiro; Nakamura, Jinichi; et al.

no journal, , 

no abstracts in English

Oral presentation

First principles study of lattice defects in UO$$_{2}$$ and CeO$$_{2}$$

Chen, Y.*; Kaneta, Yasunori*; Geng, H. Y.*; Kinoshita, Motoyasu; Iwasawa, Misako*; Onuma, Toshiharu*; Nakamura, Jinichi

no journal, , 

no abstracts in English

Oral presentation

Recovery and restructuring induced by fission energy ions in high burnup nuclear fuel

Kinoshita, Motoyasu; Yasunaga, Kazufumi*; Sonoda, Takeshi*; Iwase, Akihiro*; Ishikawa, Norito; Sataka, Masao; Yasuda, Kazuhiro*; Matsumura, Sho*; Geng, H. Y.*; Ichinomiya, Takashi*; et al.

no journal, , 

We show the outline of achievements of New Cross Over (NXO) project. Concerning the grain subdivision of ceramics fuel at high burnup, we are trying to clarify the mechanisms and to develop the simulation methods. The main high lights are as follow as: (1) We have reproduced the grain subdivision of CeO$$_{2}$$, by means of ion implanter and TUNDEM accelerator. (2) We performed computational science study concerning the relocation of oxygen. In case of oxygen exess conditions, first principal calculation reproduced the orderring structure. TAD calculation shows that the exess oxygen compose clusters and diffuses rapidly even if low temperature.

Oral presentation

New cross over project study, 5; Oxygen defects configuration in UO$$_{2}$$; Cub-octahedoral clusters

Geng, H. Y.*; Chen, Y.*; Iwasawa, Misako*; Onuma, Toshiharu*; Kinoshita, Motoyasu

no journal, , 

Oral presentation

New cross over project study, 9; Review on simulation of grain-subdivision and rim-structure formation of fuel at high burnup

Chen, Y.*; Kaneta, Yasunori*; Geng, H. Y.*; Shang, J. C.*; Iwasawa, Misako*; Onuma, Toshiharu*; Sonoda, Takeshi*; Ichinomiya, Takashi*; Suzudo, Tomoaki; Itakura, Mitsuhiro; et al.

no journal, , 

The outcome of the New Crossover Project Study is outlined. The computational results includes the ab-initio study, molecular dynamics, statistical dynamics/thermal dynamics and meso-scopic modeling, and the experimental results given by an accelerator is also mentioned. Finally, we mention the future plans and the problems.

Oral presentation

New cross over project study, 6; Study on interatomic potential properties for CeO$$_{2}$$ and UO$$_{2}$$

Kaneta, Yasunori*; Geng, H. Y.*; Chen, Y.*; Iwasawa, Misako*; Onuma, Toshiharu*; Kinoshita, Motoyasu

no journal, , 

no abstracts in English

21 (Records 1-20 displayed on this page)