Orientation dependence of structural, electrical and magnetic properties of La0.9Sr0.1MnO3 thin films

Abstract In this paper, La 0.9 Sr 0.1 MnO 3 thin films were grown epitaxially on (100), (110), and (111) LaAlO 3 substrates, and the effects of film orientation on the structural, electrical and magnetic properties were investigated. Compared with the corresponding bulk material, all the films show metal-insulator transition around room temperature with a significantly enhanced Curie temperature. The in-plane compressive strain, coercivity, resistivity and magnetoresistance (MR) of the films increase in the order (100)  T C ) and metal-insulator transition temperature ( T MI ) of the films increase in the order (111)  6 octahedron can be tuned by controlling the film orientation, which can be an effective route to adjust the structural, electrical and magnetic properties of La 0.9 Sr 0.1 MnO 3 films.