A nature of low-temperature resistivity minimum in ceramic manganites

E. Rozenberg, M. Auslender, I. Felner +1

Measurements of magnetoresistance and magnetization were carried out on ceramic samples of La_{0.5}Pb_{0.5}MnO_{3} and La_{0.5}Pb_{0.5}MnO_{3}, containing 10 at. % Ag in a disperse…