The Fe-Au interface: Hyperfine interactions of 57Fe by Mössbauer transmission and conversion electron spectroscopy

Tomáš Kmječ,Oldřich Schneeweis,Jaroslav Kohout,Karel Závěta,Jan Lančok,Adriana Lančok,Přemysl Fitl

doi:10.1063/1.4966000

The Fe-Au interface: Hyperfine interactions of 57Fe by Mössbauer transmission and conversion electron spectroscopy

Tomáš Kmječ, Oldřich Schneeweis + Show 5 more

https://doi.org/10.1063/1.4966000

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Publication Date: Jan 1, 2016

Affiliation: Czech Academy of Sciences, Institute of Physics of Materials, Charles University, Czech Academy of Sciences, Institute of Physics, Czech Academy of Sciences, Institute of Inorganic Chemistry

#Hyperfine Interactions Of 57Fe #Conversion Electron Spectroscopy + Show 8 more

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Abstract

We studied the effect of interfaces character in 57Fe/Au thin layers on iron hyperfine parameters using Mössbauer spectroscopy. Four samples of bilayers (57Fe covered by Au) were prepared on MgO substrate by pulsed laser deposition (PLD) with varying 57Fe layer thickness (∼10–95 nm), covered by Au layer with constant thickness of ∼8.7 nm. Mössbauer spectra were acquired in transmission and conversion electron geometry. The hyperfine parameters of α–Fe layer, Fe/Au and MgO/Fe interfaces were determined.

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