Abstract
Owing to the higher magnetic transition temperature (TC), above RT and large magnetoresistance (MR) exhibited by La0.7Pb0.3MnO3 (LPMO) manganite, we have carried out the studies on the effect of 200MeV Ag+15 ion irradiation on LPMO films. It is interesting to note that, the modifications in the surface grain morphology and roughness in higher thickness (>200nm) LPMO films, due to irradiation, affects the transport and magnetotransport, in a prominent manner, which has been understood in the light of enhancement in the scattering of charge carriers. The results of the structural, microstructural, transport and magnetotransport properties of pristine and irradiated LPMO films (150–350nm) have been discussed in this communication.
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