Novel behaviour of iron moments in new magnetic systems RuFeSi and RuFeB

Patil, V. S. ; Pillay, R. G. ; Grover, A. K. ; Tandon, P. N. ; Devare, H. G. (1983) Novel behaviour of iron moments in new magnetic systems RuFeSi and RuFeB Physics Letters A, 98 (8-9). pp. 469-473. ISSN 0375-9601

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/037596...

Related URL: http://dx.doi.org/10.1016/0375-9601(83)90266-9

Abstract

New magnetic systems RuxFeySi and RuxFey are reported having extremely unusual properties like small ordered moments ≈0.5 μB, large ordering temperatures Tm ≈ 400-800 K and surprising lack of hyperfine field (HF) at Fe for temperatures > T* (≈0.2 Tm) in spite of bulk magnetization in the system. The HF appears at Fe below T* implying evolution of local moments far below Tm.

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