Journal
RARE METALS
Volume 29, Issue 2, Pages 168-173Publisher
NONFERROUS METALS SOC CHINA
DOI: 10.1007/s12598-010-0029-z
Keywords
nanoparticle; rare-earth ions; magnetization; grain size; hysteresis
Funding
- University Grant Commission New Delhi [47-016/06]
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Nano-sized powders of rare-earth ions added CdFe2O4 ferrites were synthesized by oxalate co-precipitation method. The influence of R ions (R = Sm3+, Y3+, and La3+) on the microstructure and magnetic properties of CdFe2O4 ferrites was studied. XRD, SEM, FTIR, and magnetic hysteresis loops were used for analyzing the samples. The addition of R ions alters the structure of the powders and decreases the crystalline size, lattice constant, and grain size. The magnetic properties Such as saturation magnetization, remanent magnetization, and magnetic moment increased due to addition of rare-earth ions in CdFe2O4 ferrite. The formation of secondary phase on the grain boundaries supports the abnormal growth. FTIR spectra show two absorption hands. Results suggest that the magnetic properties depend on the particular method of preparation and additives.
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