不同元素掺杂对CaTiO3微观结构及热电性能的影响
李建波1(
), 田震1, 蒋全伟1, 于砺锋1, 康慧君1,2(), 曹志强1,2, 王同敏1,2
), 田震1, 蒋全伟1, 于砺锋1, 康慧君1,2(), 曹志强1,2, 王同敏1,2
Effects of Different Element Doping on Microstructure and Thermoelectric Properties of CaTiO3
LI Jianbo1(), TIAN Zhen1, JIANG Quanwei1, YU Lifeng1, KANG Huijun1,2(), CAO Zhiqiang1,2, WANG Tongmin1,2
), TIAN Zhen1, JIANG Quanwei1, YU Lifeng1, KANG Huijun1,2(), CAO Zhiqiang1,2, WANG Tongmin1,2
图6. Cr20、Nb20、Eu20、Dy20、Ce20、La20等块体的(a)电导率、(b)塞贝克系数(插图为在300~600 K范围内的放大图)、(d)功率因子、(f) 总热导率、(g) 晶格热导率、(h)热电优值随温度的变化曲线; Cr20、Nb20、Eu20、Dy20、Ce20、La20等块体在320 K的(c)载流子浓度、(e)Pisarenko曲线及(i)与文献[
Fig. 6. Temperature-dependence of (a) electrical conductivity, (b) Seebeck coefficient with inset showing enlarged plots in temperature range of 300-600 K, (d) power factor, (f) total thermal conductivity, (g) lattice thermal conductivity, and (h) ZT of Cr20, Nb20, Eu20, Dy20, Ce20, and La20 bulks, and their (c) carrier concentration at 320 K, (e) Pisarenko curves and (i) ZT compared to literature[
