خواص ساختاری منیزیم و آلومینیوم جانشین شده در فریت لیتیم

Structural properties of magnesium and aluminium co-substituted lithium ferrite

خواص ساختاری منیزیم و آلومینیوم جانشین شده در فریت لیتیم

 

ABSTRACT

The structural properties of Mg2 + and Al3 + co-substituted Li0.5Fe2.5O4 are studied by synthesizing the spinel solid solution series MgxAl2xLi0.5(1
x)Fe2.5(1
x)O4. Polycrystalline samples of this series with x = 0.0, 0.1, 0.2, 0.3, 0.4 and 0.5 have been prepared by double-sintering ceramic method. The structural details like: lattice constant and distribution of cations in the tetrahedral and octahedral interstitial voids have been deduced through X-ray diffraction (XRD) data analysis. The x dependence of bond length, oxygen positional parameter, site ionic radii, bulk density, porosity and shrinkages have also been determined.