Nanostripe of subwavelength width as a switchable semitransparent mirror for spin waves in a magnonic crystal

R. Huber, T. Schwarze, D. Grundler

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Spin wave transmission experiments are performed on a one-dimensional magnonic crystal (MC) where an injection pad for domain walls reverses the magnetization M of selected nanostripes independently from the otherwise saturated MC. The MC consists of a periodic array of 255-nm-wide permalloy nanostripes with an edge-to-edge separation of 45 nm. In the experiment and simulations, we find that a single nanostripe with antiparallel M performing opposite spin precession reduces significantly the transmission of long-wavelength spin waves. Our findings allow for the implementation and current-controlled operation of magnonic devices such as spin-wave-based logic on the nanoscale.

Original languageEnglish
Article number100405
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume88
Issue number10
DOIs
StatePublished - 18 Sep 2013

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