La掺杂P型CeyFe3CoSb12 热电材料及涂层的热电性能

李斗, 徐长江, 李旭光, 李双明, 钟宏

Thermoelectric Properties of P-Type CeyFe3CoSb12 Thermoelectric Materials and Coatings Doped with La

LI Dou, XU Changjiang, LI Xuguang, LI Shuangming, ZHONG Hong

图5 La0.1Ce0.8Fe3CoSb12块体热电材料TEM分析

Fig.5 TEM analyses of the SPSed bulk La0.1Ce0.8Fe3CoSb12 thermoelectric material (a) low-magnification bright-field TEM image (b) enlarged view of boxed region b in Fig.5a (c) bright-field TEM image of grain boundary (d) EDS maps of element distribution for Fig.5c (e) HRTEM image corresponding to region e in Fig.1a (Inset shows the SAED pattern) (f) inverse fast Fourier transformation (IFFT) image using the satellite spots in the inset of Fig.5e (CeSb/(01ˉ1)) (g) IFFT image using the satellite spots in the inset of Fig.5e (CoSb3/(1ˉ11ˉ))