Anomalous Antiferromagnetism in Metallic RuO2 Determined by Resonant X-ray Scattering

Z. H. Zhu, J. Strempfer, R. R. Rao, C. A. Occhialini, J. Pelliciari, Y. Choi, T. Kawaguchi, H. You, J. F. Mitchell, Y. Shao-Horn, R. Comin

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

We studied the magnetic ordering of thin films and bulk crystals of rutile RuO2 using resonant x-ray scattering across the Ru L2 absorption edge. Combining polarization analysis and azimuthal angle dependence of the magnetic Bragg signal, we have established the presence and characteristic of collinear antiferromagnetism in RuO2 with TN>300 K. In addition to revealing a spin-ordered ground state in the simplest ruthenium oxide compound, the persistence of magnetic order even in nanometer-thick films lays the ground for potential applications of RuO2 in antiferromagnetic spintronics.

Original languageEnglish
Article number017202
JournalPhysical review letters
Volume122
Issue number1
DOIs
Publication statusPublished - 2019 Jan 3

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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