By Yuki Shiomi
This ebook provides an research of the anomalous and topological corridor results in a few itinerant ferromagnets and helimagnets via measurements of corridor results pushed by means of electric or warmth present. New clarifications are supplied for spin-dependent corridor results caused by way of the Berry part, skew scattering, and scalar spin chirality.
The writer unearths the scattering-free nature of the Berry-phase-induced anomalous corridor present by means of undertaking the 1st comparative research of electric and thermal corridor results. The impurity-element dependence of the anomalous corridor impact brought on by skew scattering is systematically investigated within the low-resistivity sector for Fe. new examples displaying a topological corridor impression are present in helimagnets, during which nonzero scalar spin chirality arises from the modulation of spin constitution via Dzyaloshinsky–Moriya (DM) interplay. this sort of DM-interaction-mediated topological corridor influence is a brand new form of topological corridor influence. additionally the temperature dependence of topological corridor phrases within the thermal corridor impression and Nernst–Ettingshausen influence is located to be completely different from that during corridor effect.
These effects may be priceless for purposes of spin present to units with low energy consumption.
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