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Journal Articles

Development of technique for electrical insulation of metallic gasket using anodic oxide coating

Osakabe, Toyotaka; Kato, Yoshihiro*; Honmoto, Satoru*; Kuwahara, Keitaro*

Koatsuryoku No Kagaku To Gijutsu, 25(1), p.57 - 63, 2015/03

https://doi.org/10.4131/jshpreview.25.57

In this article, we describe an unique technique for electrical insulation of metallic gasket to perform simultaneous measurements of electrical resistivity and neutron diffraction under high pressure. The anodic oxide coating was adopted as the insulation layer of the aluminum (JIS A2017) gasket used in the hybrid-anvil device for neutron diffraction. In the feasibility tests of the coated gaskets, maximum pressure of about 6 GPa was generated without electrical breakdown of the coating or disconnection of Au leads.

Journal Articles

Swift heavy ion irradiation effects in nanocrystalline gold

Chimi, Yasuhiro; Iwase, Akihiro*; Ishikawa, Norito; Kobiyama, Mamoru*; Inami, Takashi*; Kambara, Tadashi*; Okuda, Shigeo*

Nuclear Instruments and Methods in Physics Research B, 245(1), p.171 - 175, 2006/04

https://doi.org/10.1016/j.nimb.2005.11.096
 Times Cited Count：16 Percentile：72.85(Instruments & Instrumentation)

We have studied effects of irradiation with energetic particles on defect accumulation in nanocrystalline gold (nano-Au). The specimens of nano-Au foil (3-5 $$mu$$m thickness) with various grain sizes (23-156 nm) are prepared by the gas deposition method and subsequent thermal annealings. Irradiations of the specimens with 60-MeV $$^{12}$$C ions, 3.54-GeV $$^{136}$$Xe ions or 2.0-MeV electrons are performed at low temperature. The defect accumulation behavior is observed by measuring the electrical resistivity change during irradiation. Through an analysis of defect accumulation behavior, cross-sections for defect production, $$sigma$$$$_{d}$$, and annihilation, $$sigma$$$$_{r}$$, in nano-Au increase monotonically as the grain size decreases. These results are considered to be caused by the existence of a large volume fraction of the regions near grain boundaries in nano-Au where the threshold energy for atomic displacements, E$$_{d}$$, becomes lower than in polycrystalline gold. The possibility of electronic excitation effects in nano-Au is also discussed.

Journal Articles

Electrical and magnetic properties in NpTGa$$_5$$ (T=Fe, Co, Ni)

Yamamoto, Etsuji; Aoki, Dai*; Homma, Yoshiya*; Shiokawa, Yoshinobu; Haga, Yoshinori; Nakamura, Akio; Onuki, Yoshichika

Physica B; Condensed Matter, 359-361, p.1099 - 1101, 2005/04

https://doi.org/10.1016/j.physb.2005.01.298
 Times Cited Count：7 Percentile：33.79(Physics, Condensed Matter)

We succeeded in growing a high-quality single crystal of NpTGa$$_5$$ (T=Fe, Co, Ni) with the tetragonal structure by the Ga-flux method and measured the electrical resistivity, magnetic susceptibility and magnetization. NpFeGa$$_5$$ and NpCoGa$$_5$$ are antiferromagnets with a N$'e$el temperature of 116 K and 47 K, respectively. On the other hand, NpNiGa$$_5$$ orders ferromagnetically below 30 K, but changes into another magnetic state with an antiferromagnetic character at 18 K.

Journal Articles

Study of high-energy proton and electron irradiation effects on poly- and single-crystalline CuInSe$$_{2}$$ films

Okada, Hiroshi*; Natsume, Satoshi*; Wakahara, Akihiro*; Yoshida, Akira*; Oshima, Takeshi; Kamiya, Tomihiro

Proceedings of the 6th International Workshop on Radiation Effects on Semiconductor Devices for Space Application (RASEDA-6), p.147 - 150, 2004/10

no abstracts in English

Journal Articles

Single crystal growth of large-size and high-quality NpCoGa$$_{5}$$ and its electrical and magnetic properties

Aoki, Dai*; Homma, Yoshiya*; Shiokawa, Yoshinobu; Yamamoto, Etsuji; Nakamura, Akio; Haga, Yoshinori; Settai, Rikio*; Takeuchi, Tetsuya*; Onuki, Yoshichika

Journal of the Physical Society of Japan, 73(7), p.1665 - 1668, 2004/07

https://doi.org/10.1143/JPSJ.73.1665
 Times Cited Count：43 Percentile：81.99(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Dynamical matching of Josephson vortex lattice with sample edge in layered high-${it Tc}$ superconductors; Origin of the periodic oscillation of flux flow resistance

Machida, Masahiko

Physical Review Letters, 90(3), p.037001_1 - 037001_4, 2003/01

https://doi.org/10.1103/PhysRevLett.90.037001
 Times Cited Count：58 Percentile：87.11(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Single crystal growth and annealing temperature of ferromagnet URhGe

Yamamoto, Etsuji; Haga, Yoshinori; Matsuda, Tatsuma; Inada, Yoshihiko*; Settai, Rikio*; Tokiwa, Yoshifumi*; Onuki, Yoshichika

Acta Physica Polonica B, 34(2), p.1059 - 1062, 2003/00

http://www.actaphys.uj.edu.pl/_cur/store/vol34/pdf/v34p1059.pdf

no abstracts in English

Journal Articles

Magnetic and electrical properties of UIr

Yamamoto, Etsuji; Haga, Yoshinori; Matsuda, Tatsuma; Nakamura, Akio; Settai, Rikio*; Inada, Yoshihiko*; Sugawara, Hitoshi*; Sato, Hideyuki*; Onuki, Yoshichika

Journal of Nuclear Science and Technology, 39(Suppl.3), p.187 - 190, 2002/11

http://www.tandfonline.com/doi/abs/10.1080/00223131.2002.10875440

We succeeded in growing a high-quality single crystal of UIr with the monoclinic PbBi-type structure by the Czochralski pulling method in a tetra-arc furnace. The magnetization measurement indicates that UIr is an Ising-like ferromagnet with the Curie temperature $$T_{rm C}$$= 46 K. The magnetic moment is found to be oriented along the [1 0 $=1] direction in the (010) plane. The saturated moment is 0.5 $mu_{rm B}$$/U. The magnetic property, reflected in the magnetic susceptibility, electrical resistivity, Hall coefficient and thermoelectric power, is highly anisotropic. We also observed the de Haas-van Alphen (dHvA) oscillation. All the detected branches have large cyclotron effective masses ranging from 9.6 to 32 $$m_0$$. They are consistent with the electronic specific heat coefficient $$gamma$$=49 mJ/K$$^2cdot$$mol.

Journal Articles

Electrical transport properties of bulk MgB$$_{2}$$ materials synthesized by electrolysis on fused mixtures of MgCl$$_{2}$$, NaCl, KCl and MgB$$_{2}$$O$$_{4}$$

Yoshii, Kenji; Abe, Hideki*

Superconductor Science and Technology, 15(10), p.L25 - L27, 2002/10

https://doi.org/10.1088/0953-2048/15/10/101
 Times Cited Count：11 Percentile：50.72(Physics, Applied)

no abstracts in English

Journal Articles

Vapor response properties of conducting composites prepared from crystalline oligomer-grafted carbon black

Chen, J.*; Tsubokawa, Norio*; Maekawa, Yasunari; Yoshida, Masaru

Carbon, 40(9), p.1597 - 1617, 2002/08

https://doi.org/10.1016/S0008-6223(02)00133-1
 Times Cited Count：21 Percentile：73.45(Chemistry, Physical)

no abstracts in English

Journal Articles

Defect production induced by electronic excitation in iron

Chimi, Yasuhiro; Iwase, Akihiro; Ishikawa, Norito; Kambara, Tadashi*

Nuclear Instruments and Methods in Physics Research B, 193(1-4), p.248 - 252, 2002/06

https://doi.org/10.1016/S0168-583X(02)00769-3
 Times Cited Count：2 Percentile：18.93(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Accumulation and recovery of defects in ion-irradiated nanocrystalline gold

Chimi, Yasuhiro; Iwase, Akihiro; Ishikawa, Norito; Kobiyama, Mamoru*; Inami, Takashi*; Okuda, S.*

Journal of Nuclear Materials, 297(3), p.355 - 357, 2001/09

https://doi.org/10.1016/S0022-3115(01)00629-8
 Times Cited Count：217 Percentile：98.84(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

On Hanichi Muraoka

Uehara, Kazuya

Daigaku No Butsuri Kyoiku, 3, p.9 - 13, 2000/11

http://ci.nii.ac.jp/naid/110001942556

no abstracts in English

Journal Articles

Radiation annealing induced by electronic excitation in iron

Chimi, Yasuhiro; Iwase, Akihiro; Ishikawa, Norito; Kuroda, N.; Kambara, Tadashi*

Nuclear Instruments and Methods in Physics Research B, 164-165, p.408 - 414, 2000/04

https://doi.org/10.1016/S0168-583X(99)01139-8
 Times Cited Count：7 Percentile：47.27(Instruments & Instrumentation)

no abstracts in English

JAEA Reports

None

*; *; *; *; Hasegawa, Makoto; Hirano, Koichiro

JNC TY9400 2000-007, 50 Pages, 2000/03

JNC-TY9400-2000-007.pdf:1.29MB

no abstracts in English

Journal Articles

Radiation effects on intermetallic compound $$beta$$-LiAl

Sugai, Hiroyuki

Hoshasen Kagaku, 2000(69), p.55 - 59, 2000/03

http://ci.nii.ac.jp/naid/10010163117

no abstracts in English

JAEA Reports

None

*

JNC TJ7400 2000-005, 20 Pages, 2000/02

JNC-TJ7400-2000-005.pdf:1.44MB

no abstracts in English

Journal Articles

Radiation effects on Li-vacancy ordering in $$beta$$-LiAl at low temperatures

Sugai, Hiroyuki; Yahagi, Masahito*; Kuriyama, Kazuo*; Maeta, H.*

JAERI-Conf 99-013, p.204 - 206, 2000/01

https://jopss.jaea.go.jp/pdfdata/JAERI-Conf-99-013.pdf

no abstracts in English

Journal Articles

Defect accumulation behavior in iron irradiated with energetic ions and electrons at $$sim$$80K

Chimi, Yasuhiro; Iwase, Akihiro; Ishikawa, Norito

Journal of Nuclear Materials, 271-272, p.236 - 240, 1999/00

https://doi.org/10.1016/S0022-3115(98)00742-9
 Times Cited Count：8 Percentile：53.62(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Electronic excitation effects on defect production and radiation annealing in Fe irradiated at$$sim$$80K with energetic particles

Chimi, Yasuhiro; Iwase, Akihiro; Ishikawa, Norito

Mat. Res. Soc. Symp. Proc., 504, p.221 - 226, 1998/00

no abstracts in English

64 (Records 1-20 displayed on this page)