Influence of Si Content on the Surface Magnetic Properties of Fe80SixB20-x Metallic Glasses (x=6, 10)

0351063 - ÚFM 2011 RIV PL eng J - Journal Article
Životský, O. - Jirásková, Yvonna - De Grave, E. - Hrabovská, K. - Hendrych, H. - Klimša, L.
Influence of Si Content on the Surface Magnetic Properties of Fe80SixB20-x Metallic Glasses (x=6, 10).
Acta Physica Polonica A. Roč. 118, č. 5 (2010), s. 751-753. ISSN 0587-4246. E-ISSN 1898-794X.
[Czech and Slovak Conference on Magnetism /14./. Košice, 06.07.2010-09.07.2010]
Institutional research plan: CEZ:AV0Z20410507
Keywords : Magneto-optical Kerr effect * Mössbauer spectroscopy * Surface magnetic properties
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 0.467, year: 2010

The surface sensitive magneto-optical Kerr effect methods and conversion as well as integral low-energy electron Mössbauer spectroscopy are used to compare the surface magnetic and microstructural properties of two Metglas alloys with compositions Fe80Si6B14 and Fe80Si10B10. It is shown that the samples differ markedly both in the Mössbauer spectra and the surface hysteresis loops. While the ribbon with lower amount of Si is amorphous and characterized by three contributions corresponding to clusters with prevailing content of Fe and Si atoms, to clusters of mainly Fe and B atoms, and regions in between, the surface of the second sample is partially crystallized into bcc-FeSi crystals embedded in the residual amorphous matrix.
Permanent Link: http://hdl.handle.net/11104/0190896