Synthesis, Crystal Structure Refinement, and Electrical Conductivity of Pb_(8−x)Na₂Sm_x(VO₄)₆O_(x/2)

Table 6

Conductivity (S·cm⁻¹) and relative density (𝜌, %) for the samples Pb_(8−𝑥)Na₂Sm_𝑥(VO₄)₆O_(𝑥/2).

𝑥	350°C	400°C	450°C	500°C	550°C	600°C	𝜌, %
0	0.38⋅10^−5	0.52⋅10^−5	0.86⋅10^−5	2.5⋅10^−5	17⋅10^−5	30⋅10^−5	94
0.05	0.18⋅10^−5	0.26⋅10^−5	0.42⋅10^−5	0.8⋅10^−5	3.5⋅10^−5	11⋅10^−5	94
0.10	0.27⋅10^−5	0.43⋅10^−5	0.73⋅10^−5	1.7⋅10^−5	5.6⋅10^−5	14⋅10^−5	95
0.15	0.33⋅10^−5	0.55⋅10^−5	0.98⋅10^−5	3.2⋅10^−5	8.9⋅10^−5	17⋅10^−5	95
0.20	0.53⋅10^−5	0.90⋅10^−5	1.80⋅10^−5	5.1⋅10^−5	12⋅10^−5	19⋅10^−5	95