An insulating doped antiferromagnet with low magnetic symmetry as a room temperature spin conduit

@article{Ross2020AnID,
  title={An insulating doped antiferromagnet with low magnetic symmetry as a room temperature spin conduit},
  author={A. Ross and R. Lebrun and L. Baldrati and A. Kamra and O. Gomonay and S. Ding and F. Schreiber and D. Backes and F. Maccherozzi and D. A. Grave and A. Rothschild and J. Sinova and M. Klaui},
  journal={arXiv: Mesoscale and Nanoscale Physics},
  year={2020}
}
We report room temperature long-distance spin transport of magnons in antiferromagnetic thin film hematite doped with Zn. The additional dopants significantly alter the magnetic anisotropies, resulting in a complex equilibrium spin structure that is capable of efficiently transporting spin angular momentum at room temperature without the need for a well-defined, pure easy-axis or easy-plane anisotropy. We find intrinsic magnon spin-diffusion lengths of up to 1.5 {\mu}m, and magnetic domain… Expand
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