机译:
Fac Sci Monastir, Dept Phys, Lab Phys Chim Mat, Monastir 5019, Tunisia;
Univ Grenoble 1, INPG, CNRS, SIMAP ENSEEG,UMR5614, F-38402 St Martin Dheres, France;
CNRS, UMR 5628, Lab Mat & Gen Phys, Grenoble 1, France;
ceramic perovskites; manganites; rietveld refinement; magnetic properties; DOUBLE-EXCHANGE; COLOSSAL MAGNETORESISTANCE; ELECTRICAL-PROPERTIES; TRANSPORT; MANGANITES; BEHAVIOR; RADII;