Advancing Heteroanionicity in Zintl Phases: Crystal Structures, Thermoelectric and Magnetic Properties of Two Quaternary Semiconducting Arsenide Oxides …

M Ishtiyak, SR Watts, B Thipe, F Womack… - Inorganic …, 2024 - ACS Publications
Two novel quaternary oxyarsenides, Eu8Zn2As6O and Eu14Zn5As12O, were synthesized
through metal flux reactions, and their crystal structures were established by single-crystal X …

On the effects of aliovalent substitutions in thermoelectric Zintl pnictides. varied polyanionic dimensionality and complex structural transformations─ the case of …

S Baranets, A Balvanz, GM Darone… - Chemistry of …, 2022 - ACS Publications
The structures and the transport properties of a novel family of Zintl phosphides and
arsenides with the formula AE3ZnPn3 and the solid solutions AE3Al x Zn1–x Pn3, AE3ZnAs …

Structural Complexity and Tuned Thermoelectric Properties of a Polymorph of the Zintl Phase Ca2CdSb2 with a Non-centrosymmetric Monoclinic Structure

MO Ogunbunmi, S Baranets, S Bobev - Inorganic Chemistry, 2022 - ACS Publications
The Zintl phase Ca2CdSb2 was found to be dimorphic. Besides the orthorhombic
Ca2CdSb2 (-o), here we report on the synthesis, the structural characterization, and the …

Insights into the Crystal Structure and Thermoelectric Properties of the Zintl Phase Ca9Cd3+x–yMx+ySb9 (M = Cu, Zn) System

J Lee, M Kim, JH Pi, MH Choi, KM Ok… - Chemistry of …, 2024 - ACS Publications
Four quaternary Zintl phase solid-solutions in the Ca9Cd3+ x–y M x+ y Sb9 (M= Cu, Zn)
system were successfully synthesized, and their crystal structures were characterized by …

Enhanced thermoelectric performance in the zintl antimonides (Ca, RE) 9Cd4Sb9 (RE= rare-earth metal). Synergy between increased structural complexity and drive …

MO Ogunbunmi, S Baranets, S Bobev - Materials Today Advances, 2022 - Elsevier
The interplay of structural complexity, high carrier mobility, and high density of states
effective mass can play a pivotal role in achieving enhanced thermoelectric (TE) …

Quasi-1D electronic transport and isotropic phonon transport in the Zintl Ca5In2Sb6

DM Smiadak, R Claes, N Perez, M Marshall… - Materials Today …, 2022 - Elsevier
Crystals with anisotropic thermoelectric transport coefficients can yield a high figure-of-merit
along the direction with the highest electronic mobility, provided the Seebeck coefficient and …

[HTML][HTML] β-Yb2CdSb2—A Complex Non-Centrosymmetric Zintl Polymorph

SR Watts, L Najera, MO Ogunbunmi, S Bobev… - Crystals, 2024 - mdpi.com
The ternary Zintl phase, Yb2CdSb2, was discovered to exist in two different polymorphic
forms. In addition to the orthorhombic α-Yb2CdSb2 (space group Cmc 21) known for its …

[PDF][PDF] Materials Today Advances

MO Ogunbunmi, S Baranets, S Bobev - 2022 - researchgate.net
abstract The interplay of structural complexity, high carrier mobility, and high density of
states effective mass can play a pivotal role in achieving enhanced thermoelectric (TE) …

The Electronic and Thermoelectric Transport Properties of Zintl Pnictides

MO Ogunbunmi, S Bobev - Encyclopedia of Inorganic and …, 2011 - Wiley Online Library
Research on Zintl pnictides has continued to garner significant interest over the course of
the past several decades. These compounds fall at the border of the typical valence‐precise …