Striking anomalies in the shape of Mössbauer spectra measured near “magnetic” Bragg reflection from [Fe/Cr] multilayer

The present work reports the observation of a peculiar asymmetry of the Mössbauer spectra of reflectivity from a periodic [ 57 Fe(8Å)/Cr(10.5Å)] 30 multilayer measured on both slopes of the half-order “magnetic” Bragg peak. The performed analysis and model calculations confirm the responsibility of...

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Bibliographic Details
Published in:Hyperfine interactions 2016-12, Vol.237 (1), p.1-9, Article 25
Main Authors: Andreeva, M. A., Chumakov, A. I., Smirnov, G. V., Babanov, Yu. A., Devyaterikov, D. I., Goloborodsky, B. Yu, Ponomarev, D. A., Romashev, L. N., Ustinov, V. V., Rüffer, R.
Format: Article
Language:English
Subjects:
13-18 September 2015
Anomalies
Atomic
Bragg curve
Condensed Matter Physics
Germany
Hadrons
Hamburg
Heavy Ions
Iron 57
Molecular
Mossbauer spectroscopy
Multilayers
Nuclear Physics
Optical and Plasma Physics
Physics
Physics and Astronomy
Proceedings of the International Conference on the Applications of the Mössbauer Effect (ICAME 2015)
Surfaces and Interfaces
Thin Films
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Summary:The present work reports the observation of a peculiar asymmetry of the Mössbauer spectra of reflectivity from a periodic [ 57 Fe(8Å)/Cr(10.5Å)] 30 multilayer measured on both slopes of the half-order “magnetic” Bragg peak. The performed analysis and model calculations confirm the responsibility of the refraction effect for the observed features.
ISSN:0304-3843
1572-9540
DOI:10.1007/s10751-016-1294-5