稳定立方相结构的n型无铅AgBiSe2基热电材料
王姝灵, 蒋蒙, 王连军, 江莞

n-Type Pb-free AgBiSe2 Based Thermoelectric Materials with Stable Cubic Phase Structure
WANG Shuling, JIANG Meng, WANG Lianjun, JIANG Wan
图5 样品(Ag1-yNbyBiSe2)0.75(SnTe)0.25的物相组成
Fig. 5 Phase compositions of (Ag1-yNbyBiSe2)0.75(SnTe)0.25 samples
(a) XRD patterns; (b) Lattice constant a changed with the content of Nb, y for sintered (Ag1-yNbyBiSe2)0.75(SnTe)0.25; (c) Surface scan element distributions of y=0.04 sample