Ca-doped rare earth perovskite materials for tailored exsolution of metal nanoparticles

Lindenthal, L.; Ruh, T.; Rameshan, R.; Summerer, H.; Nenning, A.; Herzig, C.; Löffler, S.; Limbeck, A.; Opitz, A.K.; Blaha, P.; Rameshan, C.

doi:10.1107/S2052520620013475

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 1
(a) The perovskite structure and (b) a schematic depiction of the exsolution process. In a wet hydrogen atmosphere and under heat treatment, additional oxygen vacancies are created and dopant atoms get reduced, resulting in their migration from the bulk to the surface, where they form nanoparticles.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 76| Part 6| December 2020| Pages 1055-1070

https://doi.org/10.1107/S2052520620013475

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