Nature Communications (Mar 2021)

Reversible hydrogen control of antiferromagnetic anisotropy in α-Fe2O3

  • Hariom Jani,
  • Jiajun Linghu,
  • Sonu Hooda,
  • Rajesh V. Chopdekar,
  • Changjian Li,
  • Ganesh Ji Omar,
  • Saurav Prakash,
  • Yonghua Du,
  • Ping Yang,
  • Agnieszka Banas,
  • Krzysztof Banas,
  • Siddhartha Ghosh,
  • Sunil Ojha,
  • G. R. Umapathy,
  • Dinakar Kanjilal,
  • A. Ariando,
  • Stephen J. Pennycook,
  • Elke Arenholz,
  • Paolo G. Radaelli,
  • J. M. D. Coey,
  • Yuan Ping Feng,
  • T. Venkatesan

DOI
https://doi.org/10.1038/s41467-021-21807-y
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 10

Abstract

Read online

One major challenge for antiferromagnetic spintronics is how to control the antiferromagnetic state. Here Jani et al. demonstrate the reversible ionic control of the room-temperature magnetic anisotropy and spin reorientation transition in haematite, via the incorporation and removal of hydrogen.