Sr segregation in perovskite oxides: why it happens and how it exists

B Koo, K Kim, JK Kim, H Kwon, JW Han, WC Jung - Joule, 2018 - cell.com
Among the phenomena related to the surface rearrangement of cations in perovskite-based
oxides, A-site cation enrichment, Sr in particular, near the surface has been frequently …

Perovskite cathode materials for low-temperature solid oxide fuel cells: fundamentals to optimization

Z Li, M Li, Z Zhu - Electrochemical Energy Reviews, 2022 - Springer
Acceleration of the oxygen reduction reaction at the cathode is paramount in the
development of low-temperature solid oxide fuel cells. At low operating temperatures …

Surface symmetry-breaking and strain effects on orbital occupancy in transition metal perovskite epitaxial films

D Pesquera, G Herranz, A Barla, E Pellegrin… - Nature …, 2012 - nature.com
The electron occupancy of 3d-orbitals determines the properties of transition metal oxides.
This can be achieved, for example, through thin-film heterostructure engineering of AB O3 …

Anomalous intense coherent secondary photoemission from a perovskite oxide

C Hong, W Zou, P Ran, K Tanaka, M Matzelle… - Nature, 2023 - nature.com
Photocathodes—materials that convert photons into electrons through a phenomenon
known as the photoelectric effect—are important for many modern technologies that rely on …

Photocatalytic CO2 reduction over SrTiO3: Correlation between surface structure and activity

C Luo, J Zhao, Y Li, W Zhao, Y Zeng, C Wang - Applied Surface Science, 2018 - Elsevier
Perovskite oxide SrTiO 3 is a promising semiconductor photocatalyst for CO 2 reduction,
which has two possible chemical surfaces—TiO 2-terminated and SrO-terminated surfaces …

Universal Ti-rich termination of atomically flat SrTiO3 (001),(110), and (111) surfaces

A Biswas, PB Rossen, CH Yang, W Siemons… - Applied Physics …, 2011 - pubs.aip.org
We have studied the surface termination of atomically flat SrTiO3 surfaces treated by
chemical etching and subsequent thermal annealing, for all commercially available …

Atomically flat single terminated oxide substrate surfaces

A Biswas, CH Yang, R Ramesh, YH Jeong - Progress in Surface Science, 2017 - Elsevier
Scientific interest in atomically controlled layer-by-layer fabrication of transition metal oxide
thin films and heterostructures has increased intensely in recent decades for basic physics …

Tailored surfaces of perovskite oxide substrates for conducted growth of thin films

F Sanchez, C Ocal, J Fontcuberta - Chemical Society Reviews, 2014 - pubs.rsc.org
Oxide electronics relies on the availability of epitaxial oxide thin films. The extreme flexibility
of the chemical composition of ABO3 perovskites and the broad spectrum of properties they …

Understanding surface chemical processes in perovskite oxide electrodes

Z Sha, Z Shen, E Calì, JA Kilner… - Journal of Materials …, 2023 - pubs.rsc.org
The effect of operating conditions on the surface composition and evolution of (La0. 8Sr0. 2)
0.95 Cr0. 5Fe0. 5O3− δ (LSCrF8255) as a model perovskite oxide was investigated …

Optimized fabrication of high-quality La0. 67Sr0. 33MnO3 thin films considering all essential characteristics

H Boschker, M Huijben, A Vailionis… - Journal of physics D …, 2011 - iopscience.iop.org
In this paper, an overview of the fabrication and properties of high-quality La 0.67 Sr 0.33
MnO 3 (LSMO) thin films is given. A high-quality LSMO film combines a smooth surface …