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Search Results: Records 1-20 displayed on this page of 24

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Journal Articles

Solidification/stabilization of low-level radioactive wastes including hazardous substances from uranium fuel processing plants

Sato, Junya; Takahashi, Yuta; Sunahara, Jun*; Saito, Toshimitsu*; Yoshida, Yukihiko; Sone, Tomoyuki; Osugi, Takeshi

Progress in Nuclear Science and Technology (Internet), 8, p.307 - 312, 2025/09

https://doi.org/10.15669/pnst.8.307

Journal Articles

Angle-resolved photoemission analysis of electronic structures for thermoelectric properties of off-stoichiometric Fe$$_{2-x}$$V$$_{1+x}$$Al alloys

Soda, Kazuo*; Harada, Shota*; Hayashi, Toshimitsu*; Kato, Masahiko*; Ishikawa, Fumihiro*; Yamada, Yu*; Fujimori, Shinichi; Saito, Yuji

Materials Transactions, 57(7), p.1040 - 1044, 2016/06

https://doi.org/10.2320/matertrans.MF201603
 Times Cited Count：3 Percentile：14.70(Materials Science, Multidisciplinary)

Journal Articles

Observation of itinerant Ce 4$$f$$ electronic states in CeIrSi$$_3$$ studied by angle-resolved Ce 3$$drightarrow 4f$$ resonance photoemission spectroscopy

Okochi, Takuo*; Toshimitsu, Takafumi*; Yamagami, Hiroshi; Fujimori, Shinichi; Yasui, Akira; Takeda, Yukiharu; Okane, Tetsuo; Saito, Yuji; Fujimori, Atsushi; Miyauchi, Yuichiro*; et al.

Journal of the Physical Society of Japan, 78(8), p.084802_1 - 084802_6, 2009/08

https://doi.org/10.1143/JPSJ.78.084802
 Times Cited Count：10 Percentile：52.75(Physics, Multidisciplinary)

We have applied angle-resolved Ce 3$$d{rightarrow}$$4$$f$$ resonance photoemission spectroscopy to the non-centrosymmetric pressure-induced superconductor CeIrSi$$_3$$ and obtained the 4$$f$$ band-structure and Fermi surfaces. We have found that the Ce 4$$f$$ states are located mainly near the Fermi level and that the photoemission intensity derived from the dispersive conduction bands across the Fermi level shows considerable resonant enhancement. In addition, the band structure and Fermi surfaces of CeIrSi$$_3$$ are different from those of the non-$$f$$ reference compound, LaIrSi$$_3$$ and the difference is well explained by the band structure calculated within the local density approximation (LDA). These results strongly suggest that the Ce 4$$f$$ electrons in CeIrSi$$_3$$ are well hybridized with conduction bands and form itinerant electronic states.

Journal Articles

Remote-welding technique for assembling In-Pile IASCC capsule in hot cell

Kawamata, Kazuo; Ishii, Toshimitsu; Kanazawa, Yoshiharu; Iwamatsu, Shigemi; Omi, Masao; Shimizu, Michio; Matsui, Yoshinori; Ugachi, Hirokazu; Kaji, Yoshiyuki; Tsukada, Takashi; et al.

JAEA-Conf 2006-003, p.115 - 125, 2006/05

https://jopss.jaea.go.jp/pdfdata/JAEA-Conf-2006-003.pdf

no abstracts in English

Journal Articles

Development of a non-destructive testing technique using ultrasonic wave for evaluation of irradiation embrittlement in nuclear materials

Ishii, Toshimitsu; Ooka, Norikazu; Hoshiya, Taiji; Kobayashi, Hideo*; Saito, Junichi; Niimi, Motoji; Tsuji, Hirokazu

Journal of Nuclear Materials, 307-311(Part.1), p.240 - 244, 2002/12

https://doi.org/10.1016/S0022-3115(02)01035-8
 Times Cited Count：3 Percentile：22.23(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Current status and future prospects of JMTR Hot Laboratory

Saito, Junichi; Ishii, Toshimitsu; Omi, Masao; Fujiki, Kazuo; Ito, Haruhiko; Takahashi, Hidetake

KAERI/GP-192/2002, p.3 - 11, 2002/00

no abstracts in English

Journal Articles

Development of a remote-controlled fatigue test machine using a laser extensometer in Hot Laboratory for study of irradiation effect on fatigue properties

Ishii, Toshimitsu; Yonekawa, Minoru; Omi, Masao; Takada, Fumiki; Saito, Junichi; Ioka, Ikuo; Miwa, Yukio

KAERI/GP-192/2002, p.157 - 166, 2002/00

no abstracts in English

Journal Articles

Application of infrared thermography to nondestructive evaluation of nuclear structures and components

Ishii, Toshimitsu; Ooka, Norikazu; Naka, Michihiro; Kanaya, Kunio; Saito, Junichi; Okamoto, Yoshizo*

Proceedings of 6th Far-East Conference on Nondestructive Testing (FENDT '02), p.273 - 278, 2002/00

no abstracts in English

Journal Articles

Development of a small specimen test machine to evaluate irradiation embrittlement of fusion reactor materials

Ishii, Toshimitsu; Omi, Masao; Saito, Junichi; Hoshiya, Taiji; Ooka, Norikazu; Jitsukawa, Shiro; Eto, Motokuni

Journal of Nuclear Materials, 283-287(Part.2), p.1023 - 1027, 2000/12

https://doi.org/10.1016/S0022-3115(00)00093-3
 Times Cited Count：13 Percentile：63.43(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Replacement of pressure surge tank and vent valves in JMTR

Ishii, Toshimitsu; Ooka, Norikazu; Saito, Junichi; Kobayashi, Shunichi; Takahashi, Kunihiro; Tsukada, Takashi; Iwai, Takashi; Kurosawa, Yoshiaki; Hoshiya, Taiji; Tsuji, Hirokazu

Proceedings of International Symposium on Case Histories on Integrity and Failures in Industry (CHIFI), p.227 - 236, 1999/00

no abstracts in English

Oral presentation

Electronic structure of CeIrSi$$_{3}$$ and LaIrSi$$_{3}$$ by angle-resolved photoemission spectroscopy

Toshimitsu, Takafumi; Okochi, Takuo; Yasui, Akira; Kobayashi, Masaki*; Takeda, Yukiharu; Okane, Tetsuo; Saito, Yuji; Fujimori, Atsushi; Yamagami, Hiroshi; Miyauchi, Yuichiro*; et al.

no journal, , 

no abstracts in English

Oral presentation

Leaching test of lead-containing products generated as wastes

Sato, Junya; Osone, Osamu*; Saito, Toshimitsu*; Irisawa, Keita; Osugi, Takeshi; Sone, Tomoyuki

no journal, , 

no abstracts in English

Oral presentation

Factors derived from metakaolin that cause changes in physical properties of alkali-activated materials

Hiraki, Yoshihisa; Kakuda, Ayaka; Saito, Toshimitsu*; Sone, Tomoyuki; Elakneswaran, Y.*; Sato, Tsutomu*; Osugi, Takeshi; Kuroki, Ryoichiro

no journal, , 

no abstracts in English

Oral presentation

Estimation of maximum filling ratio of mercury-containing products in cementation

Sato, Junya; Tabata, Koichi; Takahashi, Yuta; Sunahara, Jun*; Saito, Toshimitsu*; Yoshida, Yukihiko; Osugi, Takeshi

no journal, , 

no abstracts in English

Oral presentation

Electronic structure of CeIrSi$$_3$$ studied by angle-resolved resonant photoemission spectroscopy

Toshimitsu, Takafumi; Okochi, Takuo; Yasui, Akira; Kobayashi, Masaki*; Takeda, Yukiharu; Okane, Tetsuo; Saito, Yuji; Fujimori, Atsushi*; Yamagami, Hiroshi*; Miyauchi, Yuichiro*; et al.

no journal, , 

We performed angle-resolved resonant photoemission spectroscopy on CeIrSi$$_3$$. CeIrSi$$_3$$ is said to be the superconductor which lacks inversion symmetry and therefore the measurements of electronic conductivity, magnetoresistance, dHvA, and so on, have been made on so far. In this study, we observed extremely clear 4$$f$$ derived band dispersions and Fermi surfaces. By these obtained profiles and comparison with those predicted by LDA calculation, Ce 4$$f$$ electrons in CeIrSi$$_3$$ have relatively itinerant electronic states.

Oral presentation

Band structures of UIr and UGe$$_{2}$$ studied by angle-resolved soft X-ray photoemission spectroscopy

Okochi, Takuo; Fujimori, Shinichi; Toshimitsu, Takafumi; Okane, Tetsuo; Saito, Yuji; Fujimori, Atsushi*; Yamagami, Hiroshi*; Haga, Yoshinori; Yamamoto, Etsuji; Ikeda, Shugo; et al.

no journal, , 

We investigated the temperature dependence of the density of states and the band structure of ferromagnetic uranium compound, UIr, by the soft X-ray angle integrated / resolved photoemission spectroscopy. We observed the exchange splitting of the density of states as well as the representative 5${it f}$ band. These results suggest that the ferromagnetism of UIr is well explained by the Stoner model (itinerant-magnetism model).

Oral presentation

Temperature dependence in the band structures of UIr, UGe$$_{2}$$ studied by angle-resolved photoemisson spectroscopy

Okochi, Takuo; Fujimori, Shinichi; Toshimitsu, Takafumi; Okane, Tetsuo; Saito, Yuji; Yamagami, Hiroshi; Fujimori, Atsushi; Haga, Yoshinori; Yamamoto, Etsuji; Ikeda, Shugo; et al.

no journal, , 

no abstracts in English

Oral presentation

Physical properties test for flowability of K-based alkali-activated materials

Hiraki, Yoshihisa; Saito, Toshimitsu*; Kakuda, Ayaka; Osugi, Takeshi; Sone, Tomoyuki; Kuroki, Ryoichiro; Kudo, Isamu*; Elakneswaran, Y.*; Sato, Tsutomu*

no journal, , 

no abstracts in English

Oral presentation

Development of a novel mixing method using Resonance Acoustic Mixer for improving performance of solidified cement

Tabata, Koichi; Sato, Junya; Saito, Toshimitsu*; Sunahara, Jun*; Taniguchi, Takumi; Osugi, Takeshi

no journal, , 

no abstracts in English

Oral presentation

Physical properties of K-based alkali-activated materials containing iron coprecipitation slurry

Hiraki, Yoshihisa; Kakuda, Ayaka; Saito, Toshimitsu*; Osugi, Takeshi; Sone, Tomoyuki; Kuroki, Ryoichiro; Elakneswaran, Y.*; Sato, Tsutomu*

no journal, , 

no abstracts in English

24 (Records 1-20 displayed on this page)