Strong and Weak Interlayer Exchange Coupling in V/Fe Multilayers

• Authors: A. Marczyńska , J. Skoryna , L. Smardz
• Languages of publication: EN

Abstracts

EN

The d_{V}-V/0.6 nm-Fe multilayers with constant thickness sublayers were prepared onto naturally oxidised Si(100) substrate using UHV (5× 10^{-10} mbar) DC/RF magnetron sputtering. Results showed that the saturation field of the V/Fe multilayers oscillate with antiferromagnetic interlayer exchange coupling peaks near the V spacer thickness of about 1.3, 1.6, 2.05 nm. Furthermore, all the samples with vanadium layer thickness near local maxima of the antiferromagnetic coupling show zero remanence. The short period of the antiferromagnetic peak oscillations is due to indirect Ruderman-Kittel-Kasuya-Yosida (RKKY)-type coupling of the Fe layers across vanadium spacer. The absence of the antiferromagnetic peaks in the very strongly coupled region (below d_{V} ≈ 1 nm) could be explained by direct ferromagnetic exchange coupling of the Fe layers due to magnetic polarization of V atoms near V-Fe interface.

Keywords

EN

75.70.-i; 68.55.-a

Discipline

• 75.70.-i: Magnetic properties of thin films, surfaces, and interfaces(for magnetic properties of nanostructures, see 75.75.-c)
• 68.55.-a: Thin film structure and morphology(for methods of thin film deposition, film growth and epitaxy, see 81.15.-z)

• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 6
• Pages: 1315-1317

Dates

published

2014-12

received

2014-10-30

Contributors

author

A. Marczyńska

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland

author

J. Skoryna

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland

author

L. Smardz

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland

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Identifiers

DOI

10.12693/APhysPolA.126.1315