## To explore the magnetoresistance MR behavior of La

Fig. 11. Variation in resistivity with temperature under 0, 1, 5, and 8 T applied magnetic fields for La1−xNaxMnO3 manganites.Figure optionsDownload full-size imageDownload as PowerPoint slide

Fig. 12. Plots of ρ–T fitted to the polynomial law: ρ=ρ0+ρ2T2+ρnTn in the temperature range 5–200 K for La1−xNaxMnO3 manganites. (For interpretation of the references to color in this U-50488 figure, the reader is referred to the web version of this article.)Figure optionsDownload full-size imageDownload as PowerPoint slide

Fig. 13. Low temperature resistivity fits to resistivity minima model using equation: ρ=[1/(σ0+BT1/2)]+ρnTn for La1−xNaxMnO3 manganites. (For interpretation of the references to color in species packing figure, the reader is referred to the web version of this article.)Figure optionsDownload full-size imageDownload as PowerPoint slide

Table 5.

Fig. 14. Variation in residual conductivity (σ0), depth (B) and exponent (n) with Na+ content (x) for La1−xNaxMnO3 manganites.Figure optionsDownload full-size imageDownload as PowerPoint slide