Nature Communications (Apr 2020)

Record thermopower found in an IrMn-based spintronic stack

  • Sa Tu,
  • Timothy Ziman,
  • Guoqiang Yu,
  • Caihua Wan,
  • Junfeng Hu,
  • Hao Wu,
  • Hanchen Wang,
  • Mengchao Liu,
  • Chuanpu Liu,
  • Chenyang Guo,
  • Jianyu Zhang,
  • Marco A. Cabero Z.,
  • Youguang Zhang,
  • Peng Gao,
  • Song Liu,
  • Dapeng Yu,
  • Xiufeng Han,
  • Ingrid Hallsteinsen,
  • Dustin A. Gilbert,
  • Mamoru Matsuo,
  • Yuichi Ohnuma,
  • Peter Wölfle,
  • Kang L. Wang,
  • Jean-Philippe Ansermet,
  • Sadamichi Maekawa,
  • Haiming Yu

DOI
https://doi.org/10.1038/s41467-020-15797-6
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 7

Abstract

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Antiferromagnetic materials are potentially useful for spintronic applications. Here, the authors report high thermoelectric power value of 390 μV/K Seebeck coefficient in IrMn-based half magnetic tunnel junctions at room temperature.