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  Temperature evolution of the crystal structure of Bi1 − x Pr x FeO3 solid solutions

Karpinsky, D. V., Troyanchuk, I. O., Sikolenko, V. V., Efimov, V., Efimova, E., Silibin, M. V., et al. (2014). Temperature evolution of the crystal structure of Bi1 − x Pr x FeO3 solid solutions. Physics of the Solid State, 56(11), 2263-2268. doi:10.1134/S1063783414110146.

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Karpinsky, D. V.1, Autor
Troyanchuk, I. O.1, Autor
Sikolenko, V. V.2, 3, Autor
Efimov, V.2, Autor
Efimova, E.2, Autor
Silibin, M. V.4, Autor
Chobot, G. M.5, Autor
Willinger, Elena6, Autor           
Affiliations:
1ScientificPractical Materials Research Centre, National Academy of Sciences of Belarus, ul. P. Brovki 19, Minsk, 220072 Belarus, ou_persistent22              
2Joint Institute for Nuclear Research, ul. Joliot-Curie 6, Dubna, Moscow oblast, 141980 Russia, ou_persistent22              
3HelmholtzZentrum Berlin für Materialien und Energie, HahnMeitnerPlatz 1, Berlin, 14109 Germany, ou_persistent22              
4National Research University of Electronic Technology, Zelenograd, Moscow, 124498 Russia, ou_persistent22              
5Belarusian State Agrarian Technical University, pr. Nezavisimosti 99, Minsk, 220023 Belarus, ou_persistent22              
6Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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 Zusammenfassung: The crystal structure of solid solutions in the Bi1 − x Pr x FeO3 system near the structural transition between the rhombohedral and orthorhombic phases (0.125 ≤ x ≤ 0.15) has been studied. The structural phase transitions induced by changes in the concentration of praseodymium ions and in the temperature have been investigated using X-ray diffraction, transmission electron microscopy, and differential scanning calorimetry. It has been established that the sequence of phase transformations in the crystal structure of Bi1 − x Pr x FeO3 solid solutions with variations in the temperature differs significantly from the evolution of the crystal structure of the BiFeO3 compounds with the substitution of other rare-earth elements for bismuth ions. The regions of the existence of the single-phase structural state and regions of the coexistence of the structural phases have been determined in the investigation of the crystal structure of the Bi1 − x Pr x FeO3 solid solutions. A three-phase structural state has been revealed for the solid solution with x = 0.125 at temperatures near 400°C. The specific features of the structural phase transitions of the compounds in the vicinity of the morphotropic phase boundary have been determined by analyzing the obtained results. It has been found that the solid solutions based on bismuth ferrite demonstrate a significant improvement in their physical properties.

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 Datum: 2014-04-302014-11-06
 Publikationsstatus: Erschienen
 Seiten: 6
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1134/S1063783414110146
 Art des Abschluß: -

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Titel: Physics of the Solid State
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Woodbury, NY : American Institute of Physics
Seiten: - Band / Heft: 56 (11) Artikelnummer: - Start- / Endseite: 2263 - 2268 Identifikator: ISSN: 1063-7834
CoNE: https://pure.mpg.de/cone/journals/resource/991042724222234