(Ag2Se)1-x(Bi2Se3)x的热电性能研究

刘虹霞, 李文, 张馨月, 李娟, 裴艳中

Thermoelectric Properties of (Ag2Se)1-x(Bi2Se3)x

Hong-Xia LIU, Wen LI, Xin-Yue ZHANG, Juan LI, Yan-Zhong PEI

Table 1 Measured sound velocities and the estimated physical parameters for (Ag2Se)1-x(Bi2Se3)x(0.5≤x≤0.56)

(Ag2Se)1-x(Bi2Se3)x νT/ (m•s-1) νL/ (m•s-1) νs/ (m•s-1) B/ GPa γ θD /K x=0.5 1390 2560 1550 31.5 1.7 158 x=0.51 1410 2610 1570 32.4 1.7 159 x=0.52 1360 2500 1520 29.6 1.7 154 x=0.54 1290 2660 1450 37.8 2.1 146 x=0.56 1380 2760 1550 39.8 2.0 156