Point contact investigations of film and interface magnetoresistance of La${}_{0.7}$Sr${}_{0.3}$MnO${}_3$ heterostructures on Nb:SrTiO${}_3$

Asmund Monsen, Jos E. Boschker, Per Nordblad +3

STM based magnetotransport measurements of epitaxial La${}_{0.7}$Sr${}_{0.3}$MnO${}_3$ 32 nm thick films with and without an internal LaMnO${}_3$ layer (0-8 nm thick) grown on Nb doped SrT…