Table 2.

Physical parameters.

Sample	ρ300 K (Ω cm)	ρ700 K (Ω cm)	S700 k (μV K−1)	PF700 K (W m−1 K−2)	κ700 K (W m−1 K−1)	zT700 K
R-Cr2S3	0.045	–	–	–	–	–
T-Cr2S2.8	0.00265	0.0030	-100	3.4×10−4	2.0	0.12
Cr5S6	0.00062	0.00080	−40	2.0×10−4	2.8	0.05
CuxTiS2
x=0.00	0.0015	0.0070	-270	1.0×10−3	2.2	0.34
x=0.10	0.0002	0.0015	-130	1.1×10−3	2.0	0.39
AgCrSe2	0.12	0.04	300	2.25×10−4	0.2	0.8