La0.7Ca0.3MnO3 / Mn3O4 composites: Does an insulating secondary phase always enhance the low field magnetoresistance of manganites?

S. D. Bhame, J.-F. Fagnard, M. Pekala, P. Vanderbemden, B. Vertruyen
  • Journal of Applied Physics, January 2012, American Institute of Physics
  • DOI: 10.1063/1.3694664