Spin-polarized Weyl cones and giant anomalous Nernst effect in ferromagnetic Heusler films

Topological Weyl semimetals are promising materials for achieving large anomalous Hall and Nernst effects needed in magnetic and heat flux sensors. Here, the authors visualize the spin-polarized Weyl cone and surface states of ferromagnetic Co2MnGa films, finding a high Nernst thermopower of 6.2 μVK...

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Bibliographic Details
Main Authors: Kazuki Sumida, Yuya Sakuraba, Keisuke Masuda, Takashi Kono, Masaaki Kakoki, Kazuki Goto, Weinan Zhou, Koji Miyamoto, Yoshio Miura, Taichi Okuda, Akio Kimura
Format: Article
Language:English
Published: Nature Publishing Group 2020-11-01
Series:Communications Materials
Online Access:https://doi.org/10.1038/s43246-020-00088-w