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Title: Twinned-domain-induced magnonic modes in epitaxial LSMO/STO films
Author: Wahlstrom, Erik
Macià Bros, Ferran
Boschker, Jos E.
Monsen, Åsmund
Nordblad, Per
Mathieu, Roland
Kent, A. D.
Tybell, Thomas
Keywords: Manganès
Materials magnètics
Magnetic materials
Issue Date: 2-Jun-2017
Publisher: Institute of Physics Pub.
Abstract: The use of periodic magnetic structures to control the magneto-dynamic properties of materials-Magnonics-is a rapidly developing field. In the last decade, a number of studies have shown that metallic films can be patterned or combined in patterns that give rise to well-defined magnetization modes, which are formed due to band folding or band gap effects. To explore and utilize these effects in a wide frequency range, it is necessary to pattern samples at the sub-micrometer scale. However, it is still a major challenge to produce low-loss magnonic structures with periodicities at such length scales. Here, we show that for a prototypical perovskite, La0.7 Sr0.3MnO3, the twinned structural order can be used to induce a magnetic modulation with a period smaller than 100 nm, demonstrating a bottomup approach for magnonic crystal growth
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It is part of: New Journal of Physics, 2017, vol. 19, num. 6, p. 063002
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ISSN: 1367-2630
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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