Review on exsolution and its driving forces in perovskites
نویسندگان
چکیده
منابع مشابه
Exsolution trends and co-segregation aspects of self-grown catalyst nanoparticles in perovskites
In perovskites, exsolution of transition metals has been proposed as a smart catalyst design for energy applications. Although there exist transition metals with superior catalytic activity, they are limited by their ability to exsolve under a reducing environment. When a doping element is present in the perovskite, it is often observed that the surface segregation of the doping element is chan...
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The evolution of the surface morphology during exsolution of Ni from the perovskite La0.4Sr0.4Ti0.97Ni0.03O3-δ under reducing conditions was determined using atomic force microscopy. The exsolution process was found to initially induce the formation of a 20-30 nm deep pit on the oxide surface followed by the emergence of a Ni particle at the bottom of the pit. Continued emergence of the particl...
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ژورنال
عنوان ژورنال: Journal of Physics: Energy
سال: 2020
ISSN: 2515-7655
DOI: 10.1088/2515-7655/ab8c1f