We study theoretically the anisotropic magneto-Peltier effect, which was recently demonstrated experimentally. A first-principles-based Boltzmann transport approach including the spin-orbit interaction shows that Ni has a larger anisotropy of the Peltier coefficient (ΔΠ) than Fe, consistent with experiments. It is clarified that spin-flip electron transitions due to the spin-orbit interaction are the key in the mechanism of the large anisotropic magneto-Peltier effect. Using our method, we further predict several ferromagnetic metals with much larger ΔΠ than that of Ni.
@article{arxiv.1806.06521,
title = {First-principles study of the anisotropic magneto-Peltier effect},
author = {Keisuke Masuda and Ken-ichi Uchida and Ryo Iguchi and Yoshio Miura},
journal= {arXiv preprint arXiv:1806.06521},
year = {2019}
}