Hybrid magnetization dynamics in Cu2OSeO3/NiFe heterostructures-Reference-Cited by-同舟云学术

Hybrid magnetization dynamics in Cu2OSeO3/NiFe heterostructures

Published:2023-01-02 Issue:1 Volume:122 Page:
ISSN:0003-6951
Container-title:Applied Physics Letters
language:en
Short-container-title:

Author:

Lüthi Carolina¹²^ORCID,Flacke Luis¹²^ORCID,Aqeel Aisha²³^ORCID,Kamra Akashdeep⁴^ORCID,Gross Rudolf¹²³^ORCID,Back Christian²³^ORCID,Weiler Mathias¹²⁵^ORCID

Affiliation:

1. Walther-Meißner-Institut, Bayerische Akademie der Wissenschaften 1 , Garching, Germany

2. Physics Department, Technical University of Munich 2 , Garching, Germany

3. Munich Center for Quantum Science and Technology (MCQST) 3 , Munich, Germany

4. Condensed Matter Physics Center (IFIMAC) and Departamento de Física Teórica de la Materia Condensada, Universidad Autónoma de Madrid 4 , Madrid, Spain

5. Fachbereich Physik and Landesforschungszentrum OPTIMAS, Technical University of Kaiserslautern 5 , Kaiserslautern, Germany

Abstract

We investigate the coupled magnetization dynamics in heterostructures of a single crystal of the chiral magnet Cu2OSeO3 (CSO) and a polycrystalline ferromagnet NiFe (Py) thin film using broadband ferromagnetic resonance (FMR) at cryogenic temperatures. We observe the excitation of a hybrid mode (HM) below the helimagnetic transition temperature of CSO. This HM is attributed to the spin dynamics at the CSO/Py interface. We study the HM by measuring its resonance frequencies for in plane rotations of the external magnetic field. We find that the HM exhibits dominantly fourfold anisotropy in contrast to the FMR of CSO and Py.

Funder

Deutsche Forschungsgemeinschaft

Spanish Ministry for Science and Innovation

Publisher

AIP Publishing

Subject

Physics and Astronomy (miscellaneous)

Link

https://pubs.aip.org/aip/apl/article-pdf/doi/10.1063/5.0128733/16747388/012401_1_online.pdf

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