Polarization selection in Mössbauer reflectivity for magnetic multilayer investigation

Andreeva, M. A. (author): Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia.

Baulin, R. A. (author): Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia.

Slinko, O. V. (author): Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia.

Asadchikov, V. E. (author): RAS, Shubnikov Inst Crystallog, Moscow 119333, Russia.

Karimov, D. N. (author): RAS, Shubnikov Inst Crystallog, Moscow 119333, Russia.

Roshchin, B. S. (author): RAS, Shubnikov Inst Crystallog, Moscow 119333, Russia.

Ponomarev, D. A. (author): MN Mikheev Inst Met Phys UB RAS, Ekaterinburg 620990, Russia.

Romashev, L. N. (author): MN Mikheev Inst Met Phys UB RAS, Ekaterinburg 620990, Russia.

Chumakov, A. I. (author): ESRF European Synchrotron, F-38043 Grenoble 9, France.;Kurchatov Inst, Natl Res Ctr, Moscow 123182, Russia.

Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia Materialfysik (creator_code:org_t)

Related links:: https://doi.org/10.1...; show more...; https://uu.diva-port... (primary) (Raw object); https://doi.org/10.1...; https://urn.kb.se/re...; https://doi.org/10.1...; show less...

Abstract Subject headings

Mossbauer reflectivity experiment with polarization selection are reported. The use of the LiF polarization analyzer allows us to get the pi ->sigma' peak on the reflectivity curve at the critical angle and Mossbauer pi ->sigma' reflectivity spectra of reasonable quality at the critical angle and also at the Bragg angles of superlattice. The impressive difference of the reflectivity spectra measured near the critical angle with and without polarizations analysis is observed for [Fe-57(10)/V-10](20) multilayer characterizing by the ferromagnetic interlayer coupling. The combined fit of the whole set of spectra measured at different angles reveals the existence of antiferromagnetic Fe oxide phases in the top three bilayers. The experiment demonstrates benefits of the Mossbauer reflectivity with polarization analysis in ultrathin surface layer investigations.

By the author/editor: Andreeva, M. A.; Baulin, R. A.; Slinko, O. V.; Häggström, Lenna ...; Asadchikov, V. E ...; Karimov, D. N.; show more...; Roshchin, B. S.; Ponomarev, D. A.; Romashev, L. N.; Chumakov, A. I.; Bessas, D.; Ruffer, R.; show less...

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Condensed Matter ...

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