Nature Communications (Jul 2021)

Observation of nuclear-spin Seebeck effect

  • T. Kikkawa,
  • D. Reitz,
  • H. Ito,
  • T. Makiuchi,
  • T. Sugimoto,
  • K. Tsunekawa,
  • S. Daimon,
  • K. Oyanagi,
  • R. Ramos,
  • S. Takahashi,
  • Y. Shiomi,
  • Y. Tserkovnyak,
  • E. Saitoh

DOI
https://doi.org/10.1038/s41467-021-24623-6
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 7

Abstract

Read online

Thermoelectric effects are limited to electrons to occur, and disappear at low temperatures due to electronic entropy quenching. Here, the authors report thermoelectric generation caused by nuclear spins down to 100 mK due to nuclear-spin excitation in a magnetically ordered material MnCO3.