%0 Journal Article %K thin films %K Perovskite %K lanthanum compounds %K Epitaxial growth %K Ferromagnetic resonance %K Microscopic examination %K Dielectric films %K Ferromagnetic resonance microscopy %K Lanthanum strontium manganate %A S.E Lofland %A S.M Bhagat %A Q.Q Shu %A M.C Robson %A Ramamoorthy Ramesh %B Applied Physics Letters %D 1999 %G eng %I American Institute of Physics Inc., Woodbury %P 1947-1948 %R 10.1063/1.124880 %T Magnetic imaging of perovskite thin films by ferromagnetic resonance microscopy - La0.7Sr0.3MnO3 %V 75 %X A simple ferromagnetic resonance (FMR) microscope was constructed for analyzing the magnetic properties of thin films of a prototypical colossal magnetoresistance (CMR) manganite, La0.7Sr0.3MnO3. From the 300 K scans, the films show tremendous strains. However, in the best films, the strain is relatively uniform. Unfortunately, on cooling, the FMR spectrum degrades rapidly.