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Evidence for spin-glass state in nonmagnetic atom disorder compound Pr$$_2$$AgIn$$_3$$

非磁性原子無秩序化合物Pr$$_2$$AgIn$$_3$$におけるスピングラス状態の実現

Li, D. X.*; 山村 朝雄*; 湯葢 邦夫*; 二森 茂樹*; 芳賀 芳範   ; 四竈 樹男*

Li, D. X.*; Yamamura, Tomoo*; Yubuta, Kunio*; Nimori, Shigeki*; Haga, Yoshinori; Shikama, Tatsuo*

A systematic investigation of magnetic properties has been performed on intermetallic compound Pr$$_2$$AgIn$$_3$$, which crystallizes in a disordered hexagonal CaIn$$_2$$-type structure. The results provide clear evidence for the formation of spin-glass state in Pr$$_2$$AgIn$$_3$$ below a spin freezing temperature $$T$$$$_f$$ $$sim$$ 3.7 K accompanied with a short-range magnetic order. The spin-glass state in Pr$$_2$$AgIn$$_3$$ can be considered to originate from the continued site randomness of the non- magnetic elements, Ag and In, which introduce the random distribution of the RKKY interactions.

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パーセンタイル:89.02

分野:Physics, Condensed Matter

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