Synchrotron X-ray absorption fine structure study and dielectric performance of Li0.5Fe2.5O4/BaTiO3 multiferroic

Optimization of magnetic properties of BaTiO3/Li0.5Fe2.5O4 multiferroics prepared via modified low-temperature combustion

“…One important point here to be mentioned is that, this work is a completion of our previously published work by Imam et al [2]; that focused on the systematic study of the dielectric properties of BTO/LFO nanocomposite. The (x)BTO/(1 -x)LFO composites have been synthesized by a modified citrate precursor auto combustion method and characterized using XRD and Near Edge XAFS (XANES) to investigate the average and electronic structural.…”

“…Tailoring and controlling the composite materials properties are the key in the advanced modern and future technology that meets the human needs and ambitios especially in solving the energy and environment crises [1]. Composite is a tailored controlled material system which consists of two or more distinguished separate phases [2]. The aim of the nanocomposite fabrication is to get a new advanced material system with novel characteristics and highly efficient performance.…”

“…With the development of electronic technology, composite materials have been widely used for electronic devices where higher densities, limited space and multifunction are required [6]. On the other hand, multiferroic nanocomposite is an important class of nanocomposite that have become in attention because of their promising applications such as in energy conversion, fuel cells, storage, shape memory actuation and solidstate refrigeration, next-generation spintronics devices or multiple state memory elements, and transducers with magnetically modulated piezoelectricity [1][2][3][4][5][6][7]. In particular, biferroic is a class of multiferroics that shows the simultaneous ferroelectric and ferromagnetic order parameters [8].…”

“…It was reported that, it is not easy to design a single-phase material that shows the coexisting of both ferroelectric and ferromagnetic ordering at room temperature [3]. Therefore, the ferroelectric/ferrite composite is considered as a good solution for the material system that gives the multiferroic (magnetoelectric) properties [1][2][3][4][5]. Lithium ferrite is an inverse spinel crystal structure, where three fifths of the Fe 3?…”

“…The XAFS spectrum consists of two portions namely, XANES or X-ray absorption near edge structure spectroscopy and EXAFS or Extended X-ray absorption fine structure spectroscopy [14]. Generally, XANES gives detailed information about the electronic and oxidation states of the absorbing ions and provides details about the site symmetry and local coordination chemistry around the absorber [2,15]. While EXAFS is a brilliant synchrotron technique mapping the fine atomic environment surrounding the absorber ion in the media.…”