Table 2.

Room-temperature physical properties of Ge_0.95-xMg_0.05Sb_xTe (x = 0, 0.05, 0.075, and 0.1). The data for GeTe are also included.

Ge0.95-xMg0.05SbxTe		x = 0	x = 0.05	x = 0.075	x = 0.1	GeTe
CTE (10−6 K−1)	R3m	16.6	17.4	18.5	19.2	11.2
	Fm m	23.5	24.8	24.7	23.5	23.4
σ (104 S m−1)		44.4	18.0	9.1	3.7	76.3
S (μV K−1)		35.5	76.5	99.9	196.4	35.7
n (1020 cm−3)		12.6	4.5	2.9	2.2	7.5
m* (me)		2.04	2.23	2.22	4.77	1.45
μ (cm2 V−1 s−1)		23.8	25.6	25.7	11.8	87.4
μW (cm2 V−1 s−1)		69.3	85.9	84.9	123.2	152.6
ρ(g cm−3)		5.92	5.97	5.94	6.10	6.14