The project proposal offers a unique interdisciplinary look at the physical and chemical peculiarities of multicomponent cobaltite-based La(Ca)-Co(M)-O-type perovskites prepared by alternative synthesis routes, concisely elaborating the combined chemical engineering and pressure engineering approaches. A selection of delicate in situ high-pressure powder compression/decompression experiments (X-ray diffraction, Raman spectroscopy, emission and absorption spectroscopy, resistivity measurements) will be correlated and complemented with observed microstructural and physicochemical properties at ambient conditions, to provide platform development for cobaltite-based perovskites towards exotic features. The mechanical response of La(Ca)-Co(M)-O perovskites will be fundamentally scaled to 50 GPa for the first time, and the stress-activated modification of their electronic structure will be elaborated in detail. In addition, the effect of morphologically adjusted nano- and micro-sized doped cobaltite perovskites on the photocatalytic activity and catalytic performance will be investigated.

Keywords
Perovskites; synthesis; high pressure; crystal structure;

25-17855K

English

Čelko Ladislav, doc. Ing., Ph.D. - principal person responsible
Bednaříková Vendula, Ing. - fellow researcher
Remešová Michaela, Ing., Ph.D. - fellow researcher
Tkachenko Serhii, Ph.D. - fellow researcher

Advanced Coatings
- responsible department (2.4.2024 - not assigned)
Advanced Coatings
- beneficiary (2.4.2024 - not assigned)

Responsibility: Čelko Ladislav, doc. Ing., Ph.D.