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We report an unusual high-temperature ferromagnetic transition in bulk single-phase nanocrystallineLa0.95Sr0.05MnO3þd, achieved through localized strain and inhomogeneous Sr-doping. Magnetizationmeasurements show a well defined transition at 290 K and a broad one at 150 K. HRTEMimaging reveals the strain on the highly crystalline nanometer sized grains and Sr-dopinggradients, while oxygen homogeneity at the grain interfaces is confirmed by EELS-spectra. Themagnetic behavior, far from the expected bulk phase diagram, shows how local doping and straincan strongly tune the macroscopic properties of a bulk material.Fundação para a Ciência e a Tecnologia (FCT

Strain induced enhanced ferromagnetic behavior in inhomogeneous low doped La0.95Sr0.05MnO3+δ