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Abstract In this paper, the structure and magnetic behaviour of antiperovskite InxFe4-xN have been investigated systematically. The crystal lattice becomes larger and the Curie temperature decreases with increasing x. The… Click to show full abstract
Abstract In this paper, the structure and magnetic behaviour of antiperovskite InxFe4-xN have been investigated systematically. The crystal lattice becomes larger and the Curie temperature decreases with increasing x. The magnetic state changes from a ferromagnetic to a glassy state. In addition, an obvious spin glass (SG) behaviour has been revealed in In0.6Fe3.4N (x = 0.6) with a freezing temperature of T0 = 73 K, dynamical exponent of zν = 5.51, and flipping time of τ0 = 4.26 × 10−11 s. The origin of the SG behaviour in In0.6Fe3.4N may be attributed to atomic disorders at Wyckoff position 1a or ferromagnetic frustrations, or the both.
Journal Title: Ceramics International
Year Published: 2020
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