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Twinned-domain-induced magnonic modes in epitaxial LSMO/STO films

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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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(c) IOP Publishing Ltd and Deutsche Physikalische Gesellschaft, 2017

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Articles publicats en revistes (Física de la Matèria Condensada)

# metadata.dc.title[].value
Twinned-domain-induced magnonic modes in epitaxial LSMO/STO films