Work

Low-temperature spectroscopy of optical centers in cerium-yttrium (Ce1-xYxO2-x/2) and cerium-zirconium (Ce1-xZrxO2) oxides

Year: 2017

Type: article

Abstract: The results of studying the impact of isovalent (Zr4+) and non-isovalent (Y3+) impurity ions on the formation of oxygen vacancies in the lattice of cerium dioxide nanocrystals. It is shown that the oxygen vacancy content increases significantly with the introduction of both the Y3+ and Zr4+ ions, and that the oxygen vacancies play a part in the formation of two types of optical centers: Ce3+-V··-Ce3+ and F+-centers. The ratio of these optical centers can be manipulated by varying the concentration of impurity ions and the atmosphere of high-temperature nanocrystal processing.

Source: Low Temperature Physics

DOI: 10.1063/1.4986450

Authors: E. N. Okrushko, V. V. Seminko, P. O. Maksimuchuk, I. I. Bespalova, N. V. Kononets, O. G. Viagin, Yu. V. Malyukin

Institutions: National Academy of Sciences of Ukraine, Institute for Scintillation Materials

Language: English

Topic: Catalytic Processes in Materials Science

Subfield: Materials Chemistry

Field: Materials Science

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W2632946966

FWCI: 1.165

Cites: 25

Cited by: 13

Related to: 10