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THE EFFECT OF TITANIUM ON SOME PHYSICAL-PROPERTIES OF CUFE2O4
Faculty
Science
Year:
1992
Type of Publication:
Article
Pages:
263-271
Authors:
MAZEN, SA, SABRAH, BA, ABDALLAH, MH, HASHEM, HAM
DOI:
10.1002/pssa.2211340123
Journal:
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH AKADEMIE VERLAG GMBH
Volume:
134
Research Area:
Materials Science; Physics
ISSN
ISI:A1992KC66100022
Keywords :
, EFFECT , TITANIUM , SOME PHYSICAL-PROPERTIES , CUFE2O4
Abstract:
The mixed ferrites Cu1-xTixFe2O4 (where x = 0 to 0.7) are prepared by the ceramic method. X-ray diffraction and IR absorption spectra in the range from 200 to 1000 cm-1 are used for analysing the compositions. It is observed that samples with x less-than-or-equal-to 0.4 exhibit spinel phase, whereas for x > 0.4 mixed phases of spinel and zincblende may be formed. For single phase x less-than-or-equal-to 0.4, the theoretical lattice parameter (a(th)) is in good agreement with the experimental value (a(exp)), which is of the order of 0.833 nm. The presence of Fe2+ ion in the A-site for all samples is realized and the entrance of Ti4+ ion into the A-site just starts at x = 0.4. Some physical properties such as density, porosity, shrinkage, and conductivity at room temperature are studied.
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