Please use this identifier to cite or link to this item: http://hdl.handle.net/10995/102434
Title: Phase coexistence in Bi1-x Pr x FeO3 ceramics
Authors: Karpinsky, D. V.
Troyanchuk, I. O.
Sikolenko, V.
Efimov, V.
Efimova, E.
Willinger, M.
Salak, A. N.
Kholkin, A. L.
Issue Date: 2014
Publisher: Kluwer Academic Publishers
Citation: Phase coexistence in Bi1-x Pr x FeO3 ceramics / D. V. Karpinsky, I. O. Troyanchuk, V. Sikolenko, et al. — DOI 10.1007/s10853-014-8398-6 // Journal of Materials Science. — 2014. — Vol. 49. — Iss. 20. — P. 6937-6943.
Abstract: Bi1-x Pr x FeO3 ceramics across the rhombohedral-orthorhombic phase boundary have been studied by X-ray diffraction, transmission electron microscopy, and differential scanning calorimetry. The structural phase transitions in Bi1-x Pr x FeO3 driven by doping concentration and temperature are significantly different from those in BiFeO3 compounds doped with other rare-earth elements. The features of the structural transformations have been discussed based on the specific character of the chemical bonds associated with praseodymium ions. The detailed study of the crystal structure evolution clarified the ranges of both single-phase and phase coexistence regions at different temperatures and dopant concentrations. For x = 0.125, compound extraordinary three-phase coexistence state has been observed in a narrow temperature range at about 400 &Deg;C. The results explicate driving forces of the structural transitions and elucidate the origin of the remarkable physical properties of BiFeO3-based compounds near the morphotropic phase boundary. © 2014 Springer Science+Business Media New York.
Keywords: CERAMIC MATERIALS
DIFFERENTIAL SCANNING CALORIMETRY
IRON OXIDES
TRANSMISSION ELECTRON MICROSCOPY
X RAY DIFFRACTION
CRYSTAL STRUCTURE EVOLUTIONS
DOPANT CONCENTRATIONS
MORPHOTROPIC PHASE BOUNDARIES
NARROW TEMPERATURE RANGES
PHASE-COEXISTENCE REGION
STRUCTURAL PHASE TRANSITION
STRUCTURAL TRANSFORMATION
STRUCTURAL TRANSITIONS
BISMUTH COMPOUNDS
URI: http://hdl.handle.net/10995/102434
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 84905665696
PURE ID: 417993
12317d47-b66f-4ef3-84f0-111f3fa77e00
ISSN: 222461
DOI: 10.1007/s10853-014-8398-6
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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