Figure 4.

Temperature dependence of the nonlinear Hall effect in Td -TaIrTe4. (a) The lower panel is the longitudinal resistance
as a function of
at different temperatures from 100 to 300 K. The dots are experimental data, and the lines are fitted to the experimental data. The upper panel is the
/
as a function of
with different temperatures from 100 to 300 K, the dots are experimental data and the lines are the splines of each experimental data set. (b) The longitudinal conductivity σ as the function of temperature. (c) The third nonlinear Hall effect
/
as the function of temperature. (d)
with the square of longitudinal conductivity σ. (e)
including the Drude-like and BCP-like parts as the function of temperature. For (b), (c) and (d), the signal was taken from the data when the driving current was applied at 30 degree. For (e), the signal was taken from the data when the driving current was applied at 120 degree.