Cation vacancy evolution and enhanced thermoelectric properties in nonstoichiometric EuxZn2Sb2 (0.95 ≤ x ≤ 1.03)
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Zintl compounds AB2Sb2 (A and B are generally group IIA or IIB elements) are promising thermoelectric (TE) materials, and the cation vacancies are typically the dominant defects serving as a means of tuning their TE properties. Since both A and B are cations, ... ...
