Structural and magnetic properties of Er-doped BiFeO3 nanoparticles
Source abstract
Abstract
In this work, Bi1−x Er x FeO3 (x = 0.05–0.25) nanoparticles were prepared by sol–gel method. X-ray diffraction and Raman analysis show that the structure of Er-doped BiFeO3 changes from rhombohedral lattice to orthorhombic one by increasing x. The remnant magnetization of the Bi1−x Er x FeO3 is significantly higher than those in BiFeO3 doped with non-magnetically rare-earth and it increases with increasing Er concentration. The enhanced magnetization was attributed to the suppression of the cycloidal spin structure by Er3+ substitution and the ferromagnetic interaction between Fe3+ and Er3+ ions. The variation of the magnetization with temperature is also discussed.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Multiferroics and related materials · Ferroelectric and Piezoelectric Materials · Advanced Condensed Matter Physics
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