Electrical properties of Ca3–xSmxCo4O9+δ ceramics prepared under magnetic field
Qu Xiu-Rong1, 2, †, Xu Yan-Yan1, Lü Shu-Chen1, Hu Jian-Min1
Schematic diagrams of the samples for the measurements of (a) x-ray diffraction, (b) electric resistivity, (c) Seebeck coefficient, and (d) Hall coefficient.