Mössbauer and SEM study of Fe-Al film

Sebastian, Varkey; Sharma, Ram Kripal; Lakshmi, N.; Venugopalan, K.

doi:10.1007/978-3-540-49853-7_113

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2008

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“…Hence the central quadrupole doublet also consists of a number of close-lying Lorentzians indicative of a distribution in the EFG. The values of the quadrupole splitting and isomer shift of this central doublet are typical of nonmagnetic, Al-rich, Fe-Al phases like Fe 2 Al 5 and FeAl 2 [3].…”

Section: Resultsmentioning

confidence: 96%

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Investigation of magnetic properties in 57Fe/Al multilayers

et al. 2008

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Fe/Al multilayer thin films prepared by ion beam sputtering, with an overall atomic concentration ratio of Fe/Al = 1:2 have been studied by x-ray diffraction spectroscopy (XRD), X-ray reflectivity (XRR) and D.C. Magnetization. These studies show the formation of Fe-Al intermetallic layers. Two magnetic regions and transition temperatures of 473 and 533 K are evident from magnetization studies. Conversion Electron Mössbauer Spectroscopy (CEMS) shows formation of off-stoichiometric Fe 3 Al like phase and phases consisting of pure Fe and Fe-rich extended Fe-Al solutions.

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Section: Resultsmentioning

confidence: 96%

“…Use of non-equilibrium techniques like ball milling and rapid solidification gives rise to interesting magnetic properties in Al-rich Fe-Al systems [2,3]. Fe-Al thin films and multilayers are also being widely investigated for use as functional materials in device applications.…”

Section: Introductionmentioning

confidence: 99%