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Journal Articles

Structure of sub-monolayered silicon carbide films

Baba, Yuji; Sekiguchi, Tetsuhiro; Shimoyama, Iwao; Nath, K. G.

Applied Surface Science, 237(1-4), p.176 - 180, 2004/10

 Times Cited Count:7 Percentile:38.81(Chemistry, Physical)

no abstracts in English

Journal Articles

Sputter etching of Si substrate to synthesize highly oriented $$beta$$-FeSi$$_{2}$$ films

Igarashi, Shinichi; Katsumata, Toshinobu; Haraguchi, Masaharu; Saito, Takeru; Yamaguchi, Kenji; Yamamoto, Hiroyuki; Hojo, Kiichi

Transactions of the Materials Research Society of Japan, 28(4), p.1153 - 1156, 2003/12

We have evaluated the crystal structure of the $$beta$$-FeSi$$_{2}$$ films formed with various sputter etching of Si substrate. Ne$$^{+}$$ sputter etching of Si (100) substrate was performed with ion energies of 1, 3, and 10 keV. After each etching, the substrate was annealed at a temperature of 1073 K for 30 min. The $$beta$$-FeSi$$_{2}$$ films of 100 nm in thickness were formed at 973 K with the amount of deposited Fe, 30 nm. X-ray diffraction revealed that these films have polycrystalline $$beta$$-FeSi$$_{2}$$ structure but strong preferential orientation aligned as $$beta$$-FeSi$$_{2}$$ (100) // Si (100). Furthermore, the oriented structure of the film was improved by lowering the incident energy of Ne$$^{+}$$.

Journal Articles

Design of beam incident monitor for spallation neutron target of JSNS

Meigo, Shinichiro; Harada, Masahide; Teraoku, Takuji*; Maekawa, Fujio

Proceedings of ICANS-XVI, Volume 3, p.1175 - 1180, 2003/07

It is important to monitor the proton beam for the high intensity pulse spallation target. Especially for the beam halo, which may irradiate the bulk surrounding the target, it is important to be observed to prevent causing heat spot in the shielding bulk. At JSNS, a proton beam monitors are located at front of the target. These monitors are assembled with the proton beam window. Since this scheme increases the radiation on the monitor due to the beam loss at the windows, it may arise heat deposition on the monitor. Therefore, heat deposition is calculated with NMTC/JAM. It is found that the heat deposition for normal operation is less than 0.1 W/cc.

Journal Articles

Coarsening dynamics and surface instability during ion-beam-assisted growth of amorphous diamondlike carbon

Zhu, X. D.; Naramoto, Hiroshi; Xu, Y.; Narumi, Kazumasa; Miyashita, Kiyoshi*

Physical Review B, 66(16), p.165426_1 - 165426_5, 2002/10

 Times Cited Count:12 Percentile:54.45(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Modification of carbon related films with energy beams

Naramoto, Hiroshi; Xu, Y.; Narumi, Kazumasa; Vacik, J.; Zhu, X.; Yamamoto, Shunya; Miyashita, Kiyoshi*

Materials Research Society Symposium Proceedings, Vol.647, p.O5.18.1 - O5.18.16, 2001/00

no abstracts in English

Journal Articles

Stress waves due to deposited heat in mercury and lead spallation targets

Kikuchi, Kenji; Nakashima, Hiroshi; Ishikura, Shuichi*; Futakawa, Masatoshi; Hino, Ryutaro

Journal of the Physical Society of Japan, 37(2), p.113 - 119, 2000/02

no abstracts in English

Journal Articles

Angular distribution of gadolinium vapor produced by electron beam heating

Nishimura, Akihiko; ; Oba, Hironori; Shibata, Takemasa

Journal of Nuclear Science and Technology, 30(3), p.270 - 273, 1993/03

 Times Cited Count:12 Percentile:83.82(Nuclear Science & Technology)

no abstracts in English

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