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Crystallite size and microstrain in the structure of SrTiO3 formed by magnetron deposition with and without O2 flow through the deposition chambre by Jansa, Zdeněk; Jansová, Štěpánka; Nedvědová, Lucie; Minár, Ján is a scholarly article available to read on EtoBox.

What is Crystallite size and microstrain in the structure of SrTiO3 formed by magnetron deposition with and without O2 flow through the deposition chambre about?

Transition metal oxides, which have a perovskite structure, have received much attention in recent decades. This is because of the very suitable properties that can be used in various industries. One of the fields where the properties of Perovskites can and have already been applied is in the power industry. Experimental studies of the last few years have reliably demonstrated that, using simple modifications, perovskite oxides can be used in applications utilizing direct sunlight and photocatalytic applications. The original strontium titanate oxide SrTiO3 (abbreviated STO) is only able to use the UV component of incident radiation and is inactive in visible light, remaining transparent to visible light. The reason for this state is its wide band gap, which at room temperature has a value of 3.2 - 3.25 eV. Studies have shown that doping the structure of these oxides with transition metals (TM) can cause a shift in the valence and/or conduction band. This is because of the 3d dopant bands that create new energy levels in the mentioned band gap, effectively reducing it. One of the elements of the TM group is nickel. According to some studies, it is likely that the Ni ion occurs in t

Author

Jansa, Zdeněk; Jansová, Štěpánka; Nedvědová, Lucie; Minár, Ján

Published

2024

Language

EN