Hyperfine interactions and some magnetic properties of nanocrystalline Co 40 Fe 50 Ni 10 and Co 50 Fe 45 Ni 5 alloys prepared by mechanical synthesis and subsequently heat treated

T. Pikula , Dariusz Oleszak , Marek Pękała


Co 40 Fe 50 Ni 10 and Co 50 Fe 45 Ni 5 ternary alloys were prepared by mechanical alloying method. To check the stability of their structure thermal treatment was applied subsequently. As X-ray diffraction studies proved the final products of milling were the solid solutions with bcc lattice and the average grain sizes ranged of tens of nanometers. After heating of the Co 50 Fe 45 Ni 5 alloy up to 993 K the mixture of two solid solutions with bcc and fcc lattices was formed. In other cases thermal treatment did not change the type of the crystalline lattice. Mössbauer spectroscopy revealed hyperfine magnetic field distributions which reflected the different possible atomic surroundings of 57 Fe isotopes. Results of the macroscopic magnetic measurements proved that both investigated alloys had relatively good soft magnetic properties.

Author T. Pikula
T. Pikula,,
, Dariusz Oleszak (FMSE / DCFM)
Dariusz Oleszak,,
- Division of Construction and Functional Materials
, Marek Pękała - University of Warsaw (UW)
Marek Pękała,,
Journal seriesActa Physica Polonica A, ISSN 0587-4246, (A 15 pkt)
Issue year2011
ASJC Classification3100 General Physics and Astronomy
Languageen angielski
Score (nominal)15
Publication indicators Scopus Citations = 1; Scopus SNIP (Source Normalised Impact per Paper): 2011 = 0.453; WoS Impact Factor: 2011 = 0.444 (2) - 2011=0.404 (5)
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