Tilted Magnetic Anisotropy with In-Plane Broken Symmetry in Ru-Substituted Manganite Films

Brajagopal Das*, Lena Wysocki, Jörg Schöpf, Lin Yang, Amir Capua, Paul H.M. van Loosdrecht, Lior Kornblum*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Controlling the magnetic anisotropy of materials is important in a variety of applications including magnetic memories, spintronic sensors, and skyrmion-based devices. Ru-substituted La0.7Sr0.3MnO3 (Ru-LSMO) is an emerging material, showing tilted magnetic anisotropy (TMA) and possible nontrivial magnetic topologies. Here anisotropic in-plane magnetization is reported in moderately compressed Ru-LSMO films, coexisting with TMA. This combination is attractive for technological applications, such as spin-orbit torque (SOT) based devices and other spintronic applications. A microstructural analysis of films of this material is presented, and Ru single ion anisotropy and strain-induced structural mechanisms are found to be responsible for both the in-plane anisotropy and the TMA. The manifestation of these properties in a correlated oxide with Curie temperature near room temperature highlights an attractive platform for technological realization of SOT and other spintronic devices. Illustrating the mechanisms behind these properties provides the necessary engineering space for harnessing these phenomena for practical devices.

Original languageAmerican English
Article number2300253
JournalAdvanced Electronic Materials
Volume9
Issue number10
DOIs
StatePublished - Oct 2023

Bibliographical note

Publisher Copyright:
© 2023 The Authors. Advanced Electronic Materials published by Wiley-VCH GmbH.

Keywords

  • correlated oxides
  • magnetic anisotropy
  • magnetic oxides
  • manganite films
  • oxides microstructure

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