机译:Increase of grain boundary resistance with time by impedance spectroscopy in La0.50Ca0.50MnO3+delta at 77 K
PINSTECH, Div Phys, EMMG, Islamabad, Pakistan;
LaMnO3; dopant; impedance spectroscopy; colossal magnetoresistance; RARE-EARTH; CHARGE; PEROVSKITE; LA1-XCAXMNO3; FREQUENCY;