Room temperature multiferroicity in a new Ba2FeMnO6 double perovskite material
Source abstract
Abstract
Abstract A new double perovskite Ba 2 FeMnO 6 with global instability index (GII) of about 0.2 v.u. was prepared using a simple chemical combustion route. The material was characterized by powder X-Ray diffraction (PXRD). Structural Rietveld refinement using FULLPROF showed Ba 2 FeMnO 6 to have a distorted F m 3 ?? m space group. The refined parameters confirmed the distorted pseudo-cubic structure, which agrees with the observed GII factor from the SPuDS program. Energy dispersive spectra (EDS) and X-Ray absorption study (XAS) were used to support the stoichoimetric formation and valance states of Mn and Fe ions. The magnetic study revealed a room temperature ferromagnetism due to the exchange and superexchange mechanism of Fe-O-Fe and Mn-O-Mn. The Curie temperature was over 800 K, and Ba2FeMnO6 exhibited hysteresis polarization. Because of co-existence of magnetic and electric hysteresis, this material would be a promising multiferroic candidate for spintronics.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Multiferroics and related materials · Advanced Condensed Matter Physics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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