A micro-structured ion-implanted magnonic crystal

Journal Article · Mon May 20 00:00:00 EDT 2013 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.4807721· OSTI ID:22162945

Obry, Bjoern; Pirro, Philipp; Chumak, Andrii V.; Ciubotaru, Florin; Serga, Alexander A.; Hillebrands, Burkard ^[1]; Braecher, Thomas ^[1]; Osten, Julia; Fassbender, Juergen ^[2]

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1. Fachbereich Physik and Forschungszentrum OPTIMAS, Technische Universitaet Kaiserslautern, D-67663 Kaiserslautern (Germany)
2. Institut fuer Ionenstrahlphysik und Materialforschung, Helmholtz-Zentrum Dresden-Rossendorf, D-01328 Dresden, Germany and Technische Universitaet Dresden, D-01062 Dresden (Germany)

We investigate spin-wave propagation in a microstructured magnonic-crystal waveguide fabricated by localized ion implantation. The irradiation caused a periodic variation in the saturation magnetization along the waveguide. As a consequence, the spin-wave transmission spectrum exhibits a set of frequency bands, where spin-wave propagation is suppressed. A weak modification of the saturation magnetization by 7% is sufficient to decrease the spin-wave transmission in the band gaps by a factor of 10. These results evidence the applicability of localized ion implantation for the fabrication of efficient micron- and nano-sized magnonic crystals for magnon spintronic applications.

• OSTI ID: 22162945
• Journal Information: Applied Physics Letters, Vol. 102, Issue 20; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CRYSTAL STRUCTURE
CRYSTALS
ENERGY GAP
ION IMPLANTATION
IRRADIATION
MAGNETIZATION
MAGNONS
MICROSTRUCTURE
MODIFICATIONS
NANOSTRUCTURES
PERIODICITY
PHYSICAL RADIATION EFFECTS
SATURATION
SPECTRA
SPIN WAVES
TRANSMISSION
WAVE PROPAGATION
WAVEGUIDES