Table 2: Values of AC, DC conductivities and Seebeck coefficient at room temperature.

S. No.SampleLattice parameter Density kg·m−3σ DC at RT Ω−1 Cm−1σ AC at RT Ω−1 Cm−1Seebeck coefficient αμV/K

(1)A8.3744.2677.467 × 10−51.799 × 10−4−79.55
(2)B8.2744.4425.676 × 10−72.247 × 10−62168
(3)C8.2554.6654.425 × 10−68.475 × 10−61966
(4)D8.2345.3212.755 × 10−62.292 × 10−61586
(5)E8.2604.4983.790 × 10−63.958 × 10−64830
(6)F8.2524.5342.729 × 10−62.446 × 10−61741
(7)G8.2345.3212.755 × 10−62.292 × 10−61586