Influence of the structure on electric and magnetic properties of La0.8Na0.2Mn1−xCoxO3 perovskites

Emil Pollert (1) , Jiří Hejtmánek (1) , Zdeněk Jirák (1) , Karel Knížek (1) , Miroslav Maryško (1) , Jean-Pierre Doumerc (2) , Jean-Claude Grenier (2) , Jean Etourneau (2)

1 Institute of Physics
2 ICMCB - Institut de Chimie de la Matière Condensée de Bordeaux

The influence of the cobalt substitution for manganese ions in the mixed valence perovskites La0.8Na0.2Mn1−xCoxO3 (0<= x <= 0.2) was investigated by X-ray, electric transport and magnetic measurements. The study carried out on sintered polycrystalline samples revealed the rhombohedral...

Mots clés: Manganese perovskites; Insulator–metal transition

Domaines: Matériaux

Emil Pollert, Jiří Hejtmánek, Zdeněk Jirák, Karel Knížek, Miroslav Maryško, et al.. Influence of the structure on electric and magnetic properties of La0.8Na0.2Mn1−xCoxO3 perovskites. Journal of Solid State Chemistry, 2004, 177 (12), pp.4564-4568. ⟨10.1016/j.jssc.2004.09.004⟩. ⟨hal-00160686⟩