Transverse magnetovoltage in epitaxial La0.67Ca0.33MnO3 thin films

We present detailed Hall effect, planar Hall effect and resistance measurem ents of an epitaxial La0.67Ca0.33MnO3 thin film. In the ferromagnetic regim e the transverse voltage shows a similar dependence on the external magneti c field when it is applied perpendicular to (Hall effect) and in the plane of the film (planar Hall effect). By this observation it is established tha t the anomalous Hall effect is not the main origin of the transverse magnet ovoltage. It is the anisotropic magnetoresistance (AMR), which we observe i n both the longitudinal and the planar Hall configuration that: causes the transverse magnetovoltage. (C) 1998 Elsevier Science Ltd. All rights reserv ed.