Weak localization correction to the anomalous Hall effect in polycrystalline Fe films

Abstract

In situ transport measurements have been made on ultrathin ($<$100 Å thick) polycrystalline Fe films as a function of temperature and magnetic field for a wide range of disorder strengths. For sheet resistances $R_{xx}$ less than $\sim 3k\Omega$, we find a logarithmic temperature dependence of the anomalous Hall conductivity ${\sigma }_{xy}$ which is shown for the first time to be due to a universal scale dependent weak localization correction within the skew scattering model. For higher sheet resistance, granularity becomes important and the break down of universal behavior becomes manifest as the prefactors to ${\sigma }_{xx}$ and ${\sigma }_{xy}$ decrease at different rates with increasing disorder.

5 pages, 4 figures; revised submission with additional data and more general interpretation

References in corpus (7)

• Wave-packet dynamics in slowly perturbed crystals: Gradient corrections and Berry-phase effects
• Transport properties of granular metals at low temperatures
• Localization corrections to the anomalous Hall effect in a ferromagnet
• Transition from insulating to a non-insulating temperature dependence of the conductivity in granular metals
• Anomalous Hall effect in ferromagnetic disordered metals
• On Aharonov-Bohm oscillation in a ferromagnetic ring
• Suppression of superconductivity in granular metals

Cited by in corpus (18)

• Anomalous Hall effect
• Quantum transport theory of anomalous electric, thermoelectric, and thermal Hall effects in ferromagnets
• Anomalous Hall Effect in Layered Ferrimagnet MnSb2Te4
• Unconventional Scaling of the Anomalous Hall Effect Accompanying Electron Localization Correction in the Dirty Regime
• Disorder and temperature dependence of the Anomalous Hall Effect in thin ferromagnetic films: Microscopic model
• Anomalous Hall effect in granular ferromagnetic metals and effects of weak localization
• Unconventional temperature dependence of the anomalous Hall effect in HgCr2Se4
• Saturation of the Anomalous Hall Effect in Critically Disordered Ultra-thin CNi3 Films
• Hall Transport in Granular Metals and Effects of Coulomb Interactions
• Localization and the Anomalous Hall Effect in a "Dirty" Metallic Ferromagnet
• Spin-wave mediated quantum corrections to the conductivity in thin ferromagnetic gadolinium films
• Temperature Dependence of the Anomalous Hall Effect from Electron Interactions
• Diffuson contribution to anomalous Hall effect in disordered Co2FeSi thin films
• Does carrier localization affect the anomalous Hall effect?
• Asymmetric metal-insulator transition in disordered ferromagnetic films
• Itinerant Ferromagnetism in the electronic localization limit
• Transport measurements of the spin wave gap of thin Mn films
• Disordered 2D ferromagnetism at the surface of FeSi