Structural and optical characterization of ZrO2 and Y2O3-ZrO2 nanopowders

Nadiia Korsunska; Anton Zhuk; Vasyl Papusha; Oleksandr Kolomys; Yuliya Polishchuk; Yurii Bacherikov; Viktor Strelchuk; Vasyl Kladko; Tetyana Konstantinova; Tetyana Kryshtab; Larysa Khomenkova

doi:10.1007/978-3-319-15204-2_7

Structural and optical characterization of ZrO₂ and Y₂O₃-ZrO₂ nanopowders

Nadiia Korsunska, Anton Zhuk, Vasyl Papusha, Oleksandr Kolomys, Yuliya Polishchuk, Yurii Bacherikov, Viktor Strelchuk, Vasyl Kladko, Tetyana Konstantinova, Tetyana Kryshtab, Larysa Khomenkova

Escuela Superior de Física y Matemáticas (ESFM)

Producción científica: Capítulo del libro/informe/acta de congreso › Capítulo › revisión exhaustiva

2 Citas (Scopus)

Resumen

Structural and optical properties of pure and Y-doped ZrO 2 nanopowders with different Y content sintered by co-precipitation of Zr and Y nitrates were investigated. It was observed that the increase of Y content stimulates the transformation of crystalline phase from monoclinic through tetragonal to cubic while the increase of calcinations time leads to the increase of ZrO 2 grain sizes. Generally, room temperature photo- and cathodoluminescence spectra showed several bands in blue–orange range. The increase of powder grains results in the enhancement of 2.81-eV photoluminescence caused probably by volume centers. Besides blue– orange emission, additional “red” cathodoluminescence band was observed. Its intensity exceeds essentially the magnitude of other components and increases with cooling. This “red” band was found to be complex and caused by intradefect transition. The excitation mechanism of this band is discussed.

Idioma original	Inglés
Título de la publicación alojada	Materials Characterization
Editorial	Springer International Publishing
Páginas	59-67
Número de páginas	9
ISBN (versión digital)	9783319152042
ISBN (versión impresa)	9783319152035
DOI	https://doi.org/10.1007/978-3-319-15204-2_7
Estado	Publicada - 1 ene. 2015

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abstract = "Structural and optical properties of pure and Y-doped ZrO 2 nanopowders with different Y content sintered by co-precipitation of Zr and Y nitrates were investigated. It was observed that the increase of Y content stimulates the transformation of crystalline phase from monoclinic through tetragonal to cubic while the increase of calcinations time leads to the increase of ZrO 2 grain sizes. Generally, room temperature photo- and cathodoluminescence spectra showed several bands in blue–orange range. The increase of powder grains results in the enhancement of 2.81-eV photoluminescence caused probably by volume centers. Besides blue– orange emission, additional “red” cathodoluminescence band was observed. Its intensity exceeds essentially the magnitude of other components and increases with cooling. This “red” band was found to be complex and caused by intradefect transition. The excitation mechanism of this band is discussed.",

keywords = "Luminescence, Optical characterization, Raman scattering, Structural, Tem, Y-doped zro 2",

author = "Nadiia Korsunska and Anton Zhuk and Vasyl Papusha and Oleksandr Kolomys and Yuliya Polishchuk and Yurii Bacherikov and Viktor Strelchuk and Vasyl Kladko and Tetyana Konstantinova and Tetyana Kryshtab and Larysa Khomenkova",

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AU - Korsunska, Nadiia

AU - Zhuk, Anton

AU - Papusha, Vasyl

AU - Kolomys, Oleksandr

AU - Polishchuk, Yuliya

AU - Bacherikov, Yurii

AU - Strelchuk, Viktor

AU - Kladko, Vasyl

AU - Konstantinova, Tetyana

AU - Kryshtab, Tetyana

AU - Khomenkova, Larysa

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N2 - Structural and optical properties of pure and Y-doped ZrO 2 nanopowders with different Y content sintered by co-precipitation of Zr and Y nitrates were investigated. It was observed that the increase of Y content stimulates the transformation of crystalline phase from monoclinic through tetragonal to cubic while the increase of calcinations time leads to the increase of ZrO 2 grain sizes. Generally, room temperature photo- and cathodoluminescence spectra showed several bands in blue–orange range. The increase of powder grains results in the enhancement of 2.81-eV photoluminescence caused probably by volume centers. Besides blue– orange emission, additional “red” cathodoluminescence band was observed. Its intensity exceeds essentially the magnitude of other components and increases with cooling. This “red” band was found to be complex and caused by intradefect transition. The excitation mechanism of this band is discussed.

AB - Structural and optical properties of pure and Y-doped ZrO 2 nanopowders with different Y content sintered by co-precipitation of Zr and Y nitrates were investigated. It was observed that the increase of Y content stimulates the transformation of crystalline phase from monoclinic through tetragonal to cubic while the increase of calcinations time leads to the increase of ZrO 2 grain sizes. Generally, room temperature photo- and cathodoluminescence spectra showed several bands in blue–orange range. The increase of powder grains results in the enhancement of 2.81-eV photoluminescence caused probably by volume centers. Besides blue– orange emission, additional “red” cathodoluminescence band was observed. Its intensity exceeds essentially the magnitude of other components and increases with cooling. This “red” band was found to be complex and caused by intradefect transition. The excitation mechanism of this band is discussed.

KW - Luminescence

KW - Optical characterization

KW - Raman scattering

KW - Structural

KW - Tem

KW - Y-doped zro 2

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