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Magnetic behaviour of Co impurity in dilute PtFe alloys: a nuclear orientation study

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12 Author(s)
Trhlik, M. ; Charles Univ., Prague, Czechoslovakia ; Brewer, W.D. ; De Moor, P. ; Schuurmans, P.
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Behaviour of the Co magnetic moments in dilute PtFe alloys was studied in the temperature range of 5-50 mK and the external magnetic field range of 0-8.5 T using low-temperature nuclear orientation. Kondo behaviour of Co, known to exist in pure Pt, was found in the sample of lowest concentration only (Pt+0.22 at.% Fe). Large misalignment of the Co magnetic moments was seen, especially for alloys having Fe concentration slightly above the percolation limit 0.76 at.%. An anomaly in the hyperfine field value on the Co nucleus was also found in these alloys

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Magnetics, IEEE Transactions on  (Volume:30 ,  Issue: 2 )