Paper Title
Synthesis, Structural and Properties of Doped K2NiFeO4 Type Phases

Abstract
The phases LaSr1-xLixFeO4 (x = 0.00, 0.05, 0.10, 0.15, 0.20) with K2NiFe4-type structure have been synthesized by standard ceramic method. The Rietveld analysis of the powder XRD data assigns tetragonal structures to all the compositions with I4/mmm symmetry. For all the studied samples the paramagnetic Curie temperature (hp) is negative, indicating the existence of antiferromagnetic interactions in them