Features of Magnetorefractive Effect in a [CoFe/Cu]{sub n} Multilayer Metallic Nanostructure

Journal Article · Thu Feb 15 00:00:00 EST 2018 · Physics of the Solid State

DOI:https://doi.org/10.1134/S1063783418020300· OSTI ID:22771447

Telegin, A. V.; Bannikova, N. S.; Milyaev, M. A.; Sukhorukov, Yu. P. ^[1]

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1. Russian Academy of Sciences, Mikheev Institute of Metal Physics, Ural Branch (Russian Federation)

The features of magnetorefractive effect (MRE) in metallic multilayer film Ni{sub 48}Fe{sub 12}Cr{sub 40}(50 Å)/[Co{sub 90}Fe{sub 10}(14 Å)/Cu(22 Å)]{sub 8}/Cr(20 Å) nanostructures, which exhibit giant magnetoresistance at room temperature, are investigated experimentally and theoretically. We show that the MRE in these structures reaches 1.5% in an applied magnetic field of 3.5 kOe, in a broad part of the IR region, and can change sign for both transmission and reflection of light. The refraction and extinction coefficients that are calculated for the nanostructures in an external magnetic field are in good agreement with our experimental data. The deduced formulas can be applied to estimating the MRE in multilayer metallic nanostructures.

• OSTI ID: 22771447
• Journal Information: Physics of the Solid State, Vol. 60, Issue 2; Other Information: Copyright (c) 2018 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7834
• Country of Publication: United States
• Language: English

Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY
BINARY ALLOY SYSTEMS
COBALT COMPOUNDS
COPPER
FILMS
IRON COMPOUNDS
LAYERS
MAGNETIC FIELDS
MAGNETIC PROPERTIES
MAGNETORESISTANCE
NANOSTRUCTURES
REFLECTION
REFRACTION
SIMULATION
TEMPERATURE RANGE 0273-0400 K
TRANSMISSION