Transport Properties of Fe-doped type-II Weyl semimetal WTe₂

The interplay of topology and magnetism represents a new playground to explore novel quantum phenomenon. Doping of magnetic atoms in topological semimetals could enable new phenomena arising from the coupling between magnetic, electronic, and topological properties, possibly open a new route for further exploration of electronic and spintronic applications. Here, we report the tuning of electronic properties of type-II Weyl semimetal WTe₂ by Fe doping. We successfully synthesized Fe-doped WTe₂ single crystals and characterized their structure and transport properties. Our study shows the drastic effects of dilute magnetic impurities in the electronic properties of non-magnetic WTe₂, which offers a unique route to explore emergent quantum phenomenon introduced by time reversal symmetry breaking in host Weyl semimetal.