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

窒化物とPdの反応によるMPd$$_{3+x}$$ (M=Gd, Np)の生成及び塩化カドミウムによるMPd$$_{3+x}$$の塩化反応

林 博和 ; 柴田 裕樹 ; 佐藤 匠  ; 音部 治幹  

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

Ar気流中における1323Kでの窒化物とPdの反応によって、MPd$$_{3+x}$$ (M=Gd, Np)が生成することを示した。生成物は、立方晶系のAuCu$$_3$$型GdPd$$_{3.3}$$ (${it a}$ = 0.4081 $$pm$$ 0.0001nm)及びNpPd$$_3$$ (${it a}$ = 0.4081 $$pm$$ 0.0001nm)であった。NpNとPdとの反応生成物中には、六方晶系のTiNi$$_3$$型NpPd$$_3$$も含まれていた。本研究で得られたMPd$$_{3+x}$$ (M=Gd, Np)試料と塩化カドミウムの673Kでの真空雰囲気での固相反応では、塩化物が生成すること、及び、副生成物としてPdで飽和したCd相と金属間化合物PdCdが得られることを示した。

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$$_3$$-type GdPd$$_{3.3}$$ (${it a}$ = 0.4081 $$pm$$ 0.0001 nm) and NpPd$$_3$$ (${it a}$ = 0.4081 $$pm$$ 0.0001 nm) were identified, respectively. The product obtained from the reaction of NpN with Pd contained additional phases including the hexagonal TiNi$$_3$$-type NpPd$$_3$$. 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$$_3$$ formation.

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分野:Chemistry, Analytical

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