Electrical properties of Ca3–<italic>x</italic>Sm<italic>x</italic>Co4O9+δ ceramics prepared under magnetic field

Electrical properties of Ca_3–xSm_xCo₄O_9+δ ceramics prepared under magnetic field

Qu Xiu-Rong^{1, 2, †}, Xu Yan-Yan¹, Lü Shu-Chen¹, Hu Jian-Min¹

Electrical properties of Sm-doped CCO: (a) electrical resistivity ρ versus temperature T, (b) and (c) relationship of hole concentration p and mobility μ with doping amount x.