2023
DOI: 10.1021/acs.chemmater.3c00244
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Tuning the Radius Ratio to Enhance Thermoelectric Properties in the Zintl Compounds AM2Sb2 (A = Ba, Sr; M = Zn, Cd)

Abstract: Five novel Zintl phase solid solutions in the Ba1–x Sr x Zn2–y Cd y Sb2 (0 ≤ x ≤ 0.13(1); 0 ≤ y ≤ 0.32(2)) system were successfully synthesized by the molten Pb metal-flux method, and the powder X-ray diffraction and single-crystal X-ray diffraction analyses proved that all five title compounds adopted the BaCu2S2-type phase having the orthorhombic Pnma space group (Z = 4, Pearson code oP20) with five crystallographically independent atomic sites. The previously studied BaCu2S2-type antimonides demonstrated a … Show more

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Cited by 5 publications
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“…Snyder's group recently synthesized Yb 10 MgSb 9 , a new 10-1-9 type Sb-based Zintl-phase thermoelectric compound with a ZT value of 1.06 at 873 K. 36 An orthorhombic Zintl-phase NaCdSb of type 1-1-1 has been investigated experimentally and computationally, resulting in a power factor of 11.56 μW cm −1 K −2 and a ZT of 1.3 at 673 K. 37 The thermoelectric performances of Zintl-phase AM 2 Sb 2 (A = Ba, Sr; M = Zn, Cd) have been boosted by tuning the radius ratio by You's group. 38…”
Section: Introductionmentioning
confidence: 99%
“…Snyder's group recently synthesized Yb 10 MgSb 9 , a new 10-1-9 type Sb-based Zintl-phase thermoelectric compound with a ZT value of 1.06 at 873 K. 36 An orthorhombic Zintl-phase NaCdSb of type 1-1-1 has been investigated experimentally and computationally, resulting in a power factor of 11.56 μW cm −1 K −2 and a ZT of 1.3 at 673 K. 37 The thermoelectric performances of Zintl-phase AM 2 Sb 2 (A = Ba, Sr; M = Zn, Cd) have been boosted by tuning the radius ratio by You's group. 38…”
Section: Introductionmentioning
confidence: 99%