Curvature induced magnonic crystal in nanowires

Author:

Korniienko Anastasiia12,Kravchuk Volodymyr13,Pylypovskyi Oleksandr2,Sheka Denis2,van den Brink Jeroen415,Gaididei Yuri3

Affiliation:

1. Leibniz Institute for Solid State and Materials Research

2. Taras Shevchenko National University of Kyiv

3. Bogolyubov Institute for Theoretical Physics

4. Dresden University of Technology

5. University of Washington

Abstract

A new type of magnonic crystals, curvature induced ones, is realized in ferromagnetic nanowires with periodically deformed shape. A magnon band structure of such crystal is fully determined by its curvature: the developed theory is well confirmed by simulations. An application to nanoscale spintronic devises with the geometrically tunable parameters is proposed, namely, to filter elements.

Funder

Alexander von Humboldt-Stiftung

Bundesministerium für Bildung und Forschung

Deutscher Akademischer Austauschdienst

Helmholtz-Gemeinschaft

Publisher

Stichting SciPost

Subject

General Physics and Astronomy

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