Formation of MPd $_{3+x}$ (M = Gd, Np) by the reaction of MN with Pd and chlorination of MPd $_{3+x}$ using cadmium chloride

Hayashi, Hirokazu ; Shibata, Hiroki ; Sato, Takumi ; Otobe, Haruyoshi

The formation of MPd $_{3+x}$ (M = Gd, Np) by the reaction of MN with Pd at 1323 K in Ar gas flow was observed. Cubic AuCu-type GdPd $_{3.3}$ ( = 0.4081 0.0001 nm) and NpPd ( = 0.4081 0.0001 nm) were identified, respectively. The product obtained from the reaction of NpN with Pd contained additional phases including the hexagonal TiNi-type NpPd. Chlorination of the MPd $_{3+x}$ (M = Gd, Np) samples was accomplished by the solid-state reaction using cadmium chloride at 673 K in a dynamic vacuum. Pd-rich solid solution phase saturated with Cd and an intermetallic compound PdCd were obtained as by-products of MCl formation.

Language	:	English
Journal	:	Journal of Radioanalytical and Nuclear Chemistry
Volume	:	332
Number	:	2
Pages	:	p.503 - 510
Publication Year/Month	:	2023/02
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Paper URL	:	https://doi.org/10.1007/s10967-023-08760-4
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Keywords	:	マイナーアクチノイド; 核変換; 窒化物燃料; 乾式再処理; 白金族元素; 塩化物
Research Facility	:	第4研究棟 ;BECKY(バックエンド研究施設)
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Article of JAEA R&D Review	:
Cooperating Institute	:	文部科学省

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Registration No. : AA20220558
JAEA Abstracts No. : 51001093
Paper Submission No. : 27124

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Formation of MPd (M = Gd, Np) by the reaction of MN with Pd and chlorination of MPd using cadmium chloride

Formation of MPd $_{3+x}$ (M = Gd, Np) by the reaction of MN with Pd and chlorination of MPd $_{3+x}$ using cadmium chloride