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The crystal structure and magnetic properties of Pr117Co56.7Ge112

TitleThe crystal structure and magnetic properties of Pr117Co56.7Ge112
Publication TypeJournal Article
Year of Publication2013
AuthorsLiu, J, Smetana, V, Gschneidner, KA, Miller, GJ, Pecharsky, VK
JournalJournal of Applied Physics
Date Published05
Type of ArticleArticle; Proceedings Paper
ISBN Number0021-8979
Accession NumberWOS:000319292800282

The ternary intermetallic compound Pr117Co56.7Ge112 adopts the cubic Tb117Fe52Ge112-type related structure with the lattice parameter a = 29.330(3) angstrom. The compound exhibits one prominent magnetic transition at similar to 10 K and two additional weak magnetic anomalies are observed at similar to 26 K and similar to 46 K in a 1 kOe applied field. At a higher field of 10 kOe, only one broad ferromagnetic-like transition remains at 12 K. The inverse magnetic susceptibility of Pr117Co56.7Ge112 obeys the Curie-Weiss law with a positive value of the paramagnetic Curie temperature (theta(P) = 24 K), indicating that ferromagnetic interactions are dominant. The effective magnetic moment is 3.49 mu(B)/Pr, which is close to the theoretical effective paramagnetic moment of 3.58 mu(B) for the Pr3+ ion. (C) 2013 American Institute of Physics.

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