Sciact
  • EN
  • RU

Features of Crystal and Local Structures of Complex Oxides Formed in the Binary System Dy2O3-ZrO2 Full article

Conference Международная конференция «Плазменные, лазерные исследования и технологии» (ПЛИТ 2016)
25-27 Jan 2016 , Москва
Journal Journal of Physics: Conference Series
ISSN: 1742-6588 , E-ISSN: 1742-6596
Output data Year: 2016, Volume: 747, Article number : 012042, Pages count : 5 DOI: 10.1088/1742-6596/747/1/012042
Tags NANOCRYSTALLINE STRUCTURES; PYROCHLORES; Dy; Ln; ZIRCONIA; Gd
Authors Popov V V 1,2 , Menushenkov A P 1 , Yastrebtsev A A 1 , Zubavichus Ya V 2 , Svetogorov R D 2 , Kolyshkin N A 2
Affiliations
1 National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
2 NRC “Kurchatov Institute”

Abstract: The process of Dy2Zr2O7 (rDy3+/rZr4+ = 1.426) nanocrystals formation and evolution upon calcinations up to 1400 oC has been investigated by means of synchrotron radiation X-ray diffraction (XRD) and Raman spectroscopy. We observed that isothermal calcination of the X-ray amorphous precursor first leads to the formation of oxide nanocrystalline powders with a defect fluorite structure at 800 oC/3 h. The nucleation and growth of pyrochlore phase take place in nanodomains with pyrochlore-type superstructural ordering of cations and anions inside a well crystalline fluorite matrix at > 1200 oC. This is perhaps the first XRD study that reports the presence of a weak pyrochlore-type superstructure in the Dy2Zr2O7.
Cite: Popov V.V. , Menushenkov A.P. , Yastrebtsev A.A. , Zubavichus Y.V. , Svetogorov R.D. , Kolyshkin N.A.
Features of Crystal and Local Structures of Complex Oxides Formed in the Binary System Dy2O3-ZrO2
Journal of Physics: Conference Series. 2016. V.747. 012042 :1-5. DOI: 10.1088/1742-6596/747/1/012042 WOS Scopus РИНЦ AN OpenAlex
Files: Full text from publisher
Dates:
Submitted: Sep 1, 2016
Published print: Sep 1, 2016
Published online: Sep 21, 2016
Identifiers:
Web of science: WOS:000387066400042
Scopus: 2-s2.0-84992145718
Elibrary: 27586892
Chemical Abstracts: 2016:1907627
OpenAlex: W2523086552
Citing:
DB Citing
Web of science 7
Scopus 9
OpenAlex 5
Altmetrics: