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- Article name
- X-ray studies high-temperature multiferroics bismuth ferrite nonmodificated and modificated by rare earth elements
- Authors
- VERBENKO I. A., , ilich001@yandex.ru, Research Institute of Physics of Southern Federal University, Rostov-on-Don, Russia
ANDRUSHINA I. N., , futur6@mail.ru, Research Institute of Physics of Southern Federal University, Rostov-on-Don, Russia
REZNICHENKO L. A., , vortexblow@gmail.com, Research Institute of Physics, Southern Federal University, Rostov-on-Don, Russia
SHILKINA L. A., , vortexblow@gmail.com, Research Institute of Physics, Southern Federal University, Rostov-on-Don, Russia
ANDRUSHIN K. P., , vortexblow@gmail.com, Research Institute of Physics, Southern Federal University, Rostov-on-Don, Russia
DUDKINA S. I., , vortexblow@gmail.com, Research Institute of Physics, Southern Federal University, Rostov-on-Don, Russia
- Keywords
- high-temperature multiferroics / modification / rare earth elements / X-ray studies / thermal effect
- Year
- 2012 Issue 3 Pages 57 - 71
- Code EDN
- Code DOI
- Abstract
- In the temperature range 300-970 K X-ray studies of high-multiferroic bismuth ferrite unmodified and modified by rare-earth elements with radii close to radius of the substituted Bi carried out. It is shown that at room temperature solid solutions (Bi1-xLax)FeO3 and (Bi1-xPrx)FeO3 over the entire range of changes (x ≤ 0.20, Δx = 0.05) preserve the rhombohedral distortion of the cell typical of BiFeO3. It was noted that when modifiers were Nd, Sm, Eu, Gd, then for x = 0.15 a transition to the orthorhombic phase of the type PbZrO3 was observed for x ≥ 0.20 - to the orthorhombic perovskite phase with a monoclinic subcell, which remains stable and at high concentrations of input elements.
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