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A comprehensive magnetotransport study including resistivity ($\rho_{xx}$) atvarious fields, isothermal magnetoresistance and Hall resistivity ($\rho_{xy}$)has been carried out at different temperatures on the Co$_{2}$TiAl Heusleralloy. Co$_{2}$TiAl alloy shows a paramagnetic (PM) to ferromagnetic (FM)transition below the curie temperature (T$_{C}$) $\sim$ 125 K. In the FMregion, resistivity and magnetoresistance reveals a spin flip electron-magnonscattering and the Hall resistivity unveils the anomalous Hall resistivity($\rho_{xy}^{AH}$). Scaling of anomalous Hall resistivity with resistivityestablishes the extrinsic scattering process responsible for the anomalous hallresistivity; however Skew scattering is the dominant mechanism compared to theside-jump contribution. A one to one correspondence between magnetoresistanceand side-jump contribution to anomalous Hall resistivity verifies theelectron-magnon scattering being the source of side-jump contribution to theanomalous hall resistivity.

Scaling Analysis of Anomalous Hall Resistivity in the Co$_{2}$TiAl Heusler Alloy