SYNTHESIS AND X-RAY STUDY OF NANOSIZED LaCaCoCuMnO6 AND LaCaNiCuMnO6 SYSTEM

Abstract

From oxides of lanthanum, copper (II), cobalt (II), nickel (II), manganese (III) and calcium carbonate at temperatures 800-1200 °C for 20 hours by the method of ceramic technology synthesized cobalt-cuprate-manganite lanthanum and calcium LaCaCoCuMnO6 and nickelite-cuprate-manganite lanthanum and calcium LaCaNiCuMnO6. On a vibrating mill of “Retsch” company (Germany) of the "MM301" brand, polycrystalline samples of new compounds were ground to nanosized (nanoclusters) particles. The X-ray diffraction of the obtained nanosized (nanoclusters) phases indicates that they crystallize in cubic syngony with the following lattice parameters: LaCaCoCuMnO6 − а=14,01±0,02Å; Vo=2746,77±0,06Å3; Z=4; Voel.cell=686,69±0,02Å3; X-ray=4,13g/cm3; pycn.=4,080,01g/cm3; LaCaNiCuMnO6 − а=14,74±0,02Å; Vo=3204,74±0,06Å3; Z=4; Voel.cell =801,19±0,02Å3; X-ray=4,15g/cm3; pycn.=4,130,01g/cm3.

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