Table 1.

Comparison of electrical conductivity (σ), Seebeck coefficient (S) and power factor (S²σ) at 300 and 600 K of all samples.

Ag content	Seebeck coefficient (S) (µV/K), approximate values		transition temp (K) (at 0 µV/K, p-type to n-type)	conductivity (σ) (Ω·cm)−1, approximate values		power factor (S2σ) (µW·m−1·K−2) , approximate values
annealed at 573 K	300 K (p-type)	600 K (n-type)		300 K	600 K	300 K	600 K
0%	26	−69	378	148	297	10	142
2%	59	−93	453	75	215	21	186
5%	131	−111	469	30	135	50	166
10%	122	−101	451	42	100	63	104
15%	83	−95	417	28	61	19	56
20%	72	−53	459	8	34	4	10
annealed at 773 K
5%	82	−113	450	102	316	69	410
20%	42	−81	425	92	381	16	251