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Twinned-domain-induced magnonic modes in epitaxial LSMO/STO films
Norwegian Univ Sci & Techn, Dept Phys, NTNU, N-7491 Trondheim, Norway..
CSIC, Inst Ciencia Mat Barcelona ICMAB, Campus UAB, E-08193 Barcelona, Spain..
Norwegian Univ Sci & Techn, Dept Elect Syst, N-7491 Trondheim, Norway.;Leibniz Inst Crystal Growth, Max Born Str 2, D-12489 Berlin, Germany..
Norwegian Univ Sci & Techn, Dept Phys, NTNU, N-7491 Trondheim, Norway..
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2017 (English)In: New Journal of Physics, ISSN 1367-2630, E-ISSN 1367-2630, Vol. 19, 063002Article in journal (Refereed) Published
Abstract [en]

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, La-0.7 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.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2017. Vol. 19, 063002
Keyword [en]
magnonics, epitaxialLSMO/STO films, FMR, twin domains
National Category
Physical Sciences Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-327242DOI: 10.1088/1367-2630/aa70afISI: 000402901200002OAI: oai:DiVA.org:uu-327242DiVA: diva2:1130152
Available from: 2017-08-08 Created: 2017-08-08 Last updated: 2017-11-29Bibliographically approved

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