This work presents the investigation of functional properties of the yttrium-doped Ca 3 Co 4
O 9+ δ complex oxides as the prospective cathode materials for the proton-conducting fuel …

Ca 3 Co 4 O 9 is a p-type semiconducting material that is well-known for its thermoelectric
(TE), magnetic, electronic, and electro-optic properties. In this study, sol-gel autoignition was …

Controlling nanoporosity to favorably alter multiple properties in layered crystalline inorganic
thin films is a challenge. Here, we demonstrate that the thermoelectric and mechanical …

A wide range of solid-state synthesis routes for calcium manganate is reported in the
literature, but there is no systematic study about the influence of the solid-state synthesis …

Calcium cobaltite (Ca 3 Co 4 O 9) is considered as one of the most promising thermoelectric
p-type oxides for energy harvesting applications at temperatures above 500 C. It is …

Abstract Ca 3− x Al x Co 4 O 9 polycrystalline ceramics with a small amount of Al (0≤ x≤
0.4) were fabricated using the sol–gel combustion method with natural starch as a fuel. All …

Abstract Calcium cobaltite Ca3Co4O9, abbreviated Co349, is a promising thermoelectric
material for high‐temperature applications in air. Its anisotropic properties can be assigned …

Oxide-based materials are promising candidates for use in high temperature thermoelectric
generators. While their thermoelectric performance is inferior to commonly used …

An improvement in the thermoelectric properties of calcium cobaltite ceramics (Ca3Co4O9)
was demonstrated through a modified co-precipitation method and lanthanum doping. With …

Processing technology to improve the manufacturing of thermoelectric generators (TEGs) is
a growing field of research. In this paper, an adaptable and scalable process comprising …