Influence of pressure assisted sintering and reaction sintering on microstructure and thermoelectric properties of bi-doped and undoped calcium cobaltite

S Bresch, B Mieller, D Schoenauer-Kamin… - Journal of Applied …, 2019 - pubs.aip.org
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 …

Wet chemical porosification with phosphate buffer solutions for permittivity reduction of LTCC substrates

A Hajian, T Konegger, K Bielecki, B Mieller… - Journal of Alloys and …, 2021 - Elsevier
The wireless high-frequency technology requires a robust, cost-effective, and highly
integrated substrate technology offering the capability for areas of tailored permittivity. The …