Investigation of the re-entrant spin glass component and the anomalous Hall effect in the frustrated itinerant ferromagnet Fe3Sn2


Fe3Sn2 is a rare example of an itinerant frustrated ferromagnet (Tc = 640K), with a non-collinear spin structure. It shows a large anomalous Hall resistivity in a low field of 1T at room temperature, and an interesting increase in the anomalous Hall conductivity below ~100K, which may be connected to the re-entrant spin glass transition that we have observed at ~80K. Spin glasses are predicted to display an enhancement of the anomalous Hall effect below their freezing temperature due to the spin-chirality mechanism. We request to investigate the nature of the spin glass component using muSR on the Emu instrument. We aim to detect the change in spin dynamics from 700K, through the ferromagnetic and re-entrant spin glass transitions, down to 2K, and in particular to map out the temperature dependence of the spin glass dynamics by looking for changes in the tail of the decay signal.

Metadata Access
Creator Professor Andrew Wills; Miss Laura Fenner
Publisher ISIS Neutron and Muon Source
Publication Year 2013
Rights CC-BY Attribution 4.0 International;
OpenAccess true
Contact isisdata(at)
Resource Type Dataset
Discipline Photon- and Neutron Geosciences
Temporal Coverage Begin 2010-05-11T10:47:31Z
Temporal Coverage End 2010-05-14T07:54:33Z