TY - BOOK ID - 8506893 TI - Anomalous and topological hall effects in itinerant magnets PY - 2013 SN - 4431547088 4431543600 4431543619 PB - Tokyo : Springer, DB - UniCat KW - Hall effect. KW - Magnetism, Band theory of. KW - Salt. KW - Hall effect KW - Magnetism, Band theory of KW - Physics KW - Physical Sciences & Mathematics KW - Electricity & Magnetism KW - Magnetism. KW - Physics. KW - Superconductivity. KW - Superconductors. KW - Magnetic materials. KW - Electronic circuits. KW - Strongly Correlated Systems, Superconductivity. KW - Magnetism, Magnetic Materials. KW - Electronic Circuits and Devices. KW - Mathematical physics KW - Electricity KW - Magnetics KW - Electric currents KW - Galvanomagnetic effects KW - Gyrators KW - Electron-tube circuits KW - Electric circuits KW - Electron tubes KW - Electronics KW - Materials KW - Superconducting materials KW - Superconductive devices KW - Cryoelectronics KW - Solid state electronics KW - Electric conductivity KW - Critical currents KW - Superfluidity UR - https://www.unicat.be/uniCat?func=search&query=sysid:8506893 AB - This book presents an investigation of the anomalous and topological Hall effects in some itinerant ferromagnets and helimagnets by measurements of Hall effects driven by electrical or heat current. New clarifications are provided for spin-dependent Hall effects induced by the Berry phase, skew scattering, and scalar spin chirality. The author reveals the scattering-free nature of the Berry-phase-induced anomalous Hall current by conducting the first comparative study of electrical and thermal Hall effects. The impurity-element dependence of the anomalous Hall effect caused by skew scattering is systematically investigated in the low-resistivity region for Fe. Two new examples showing a topological Hall effect are found in helimagnets, in which nonzero scalar spin chirality arises from the modulation of spin structure through Dzyaloshinsky–Moriya (DM) interaction. Such a DM-interaction-mediated topological Hall effect is a new type of topological Hall effect. Also the temperature dependence of topological Hall terms in the thermal Hall effect and Nernst–Ettingshausen effect is found to be totally different from that in the electrical Hall effect. These results will be useful for applications of spin current to devices with low power consumption. ER -