Evidence against the existence of unstable magnetic moments in the system Ce(Fe1-xCox)2

Pillay, R. G. ; Rastogi, A. K. ; Tandon, P. N. ; Balasubramanian, V. ; Grover, A. K. (1988) Evidence against the existence of unstable magnetic moments in the system Ce(Fe1-xCox)2 Journal of Physics F: Metal Physics, 18 (4). L63-L68. ISSN 0305-4608

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Official URL: http://iopscience.iop.org/0305-4608/18/4/003

Related URL: http://dx.doi.org/10.1088/0305-4608/18/4/003

Abstract

57Fe Mossbauer studies in the system Ce(Fe1-xCox)2 for x=0.15 and 0.25 have shown the sudden loss in magnetisation in this system, well bellow the onset of long-range ferromagnetic order, arises due to the reorientation and locking of Fe moments in such a way as to produce almost zero net magnetisation. The thermal variation of the average hyperfine field, however, does not have any signature of the reorientation transition temperature.

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