In YCo3 the anomalous Nernst coefficient reverses sign near 100 K due to a temperature-driven topological Lifshitz transition that moves the Fermi level relative to Weyl nodes.
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Topological Lifshitz transition-induced bipolarity of anomalous Nernst effect in kagome magnet YCo3
In YCo3 the anomalous Nernst coefficient reverses sign near 100 K due to a temperature-driven topological Lifshitz transition that moves the Fermi level relative to Weyl nodes.