Comment on" Scaling of the anomalous Hall effect in Sr (1-x) Ca (x) RuO3"

Yevgeny Kats, Lior Klein

Research output: Working paper/PreprintPreprint


Mathieu et al. [1] measured the anomalous Hall effect (AHE) ρxy and the magnetization M of Sr1−xCaxRuO3 films as a function of temperature, and claimed that the transverse conductivity σxy of samples with different doping levels scales with the temperature- and dopingdependent magnetization M(T, x), thus providing strong support to their recently suggested interpretation of the AHE in SrRuO3 as an intrinsic effect due to Berry phase monopoles in k-space [2]. In this Comment we point out that the Letter does not provide such support, since the presented data are problematic, and that even if the data are trusted, the results allow for scaling of comparable quality assuming ρxy scales with ρ, as might be expected for conventional (extrinsic) models for AHE.
Original languageEnglish GB
StatePublished - 2005

Publication series

NamearXiv preprint cond-mat/0509506


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