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Search: WFRF:(Noor Saroaut)

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  • Noor, Saroaut, et al. (author)
  • Magnetic behavior of Cd2+ substituted cobalt ferrites
  • 2012
  • In: Journal of Physics and Chemistry of Solids. - : Elsevier BV. - 0022-3697 .- 1879-2553. ; 73:2, s. 227-231
  • Journal article (peer-reviewed)abstract
    • The effect of Cd-substitution on the variation of saturation magnetization M,, Curie temperature T-c, and magnetic moments n(B) of Co1-xCdxFe2O4 (x=0.0-1.0 in steps of 0.1) ferrites have been investigated using SQUID magnetometer and impedance analyzer. The samples were prepared by conventional double sintering ceramic technique and found to be single-phase cubic spinel structure by X-ray diffraction. Saturation magnetization M-s, is found to increase with increase of Cd substitution attaining a maximum value at x=0.4 and decreases thereafter. Curie temperature decreases almost linearly with increasing x content up to x=0.7. Samples having x >= 0.8 display complex magnetic behavior with competing antiferromagnetic and ferromagnetic interactions with the manifestation of large hysteresis at low temperature and no sign of saturation. Samples with x > 0.8 show paramagnetic characteristic at T=5 K with no spontaneous magnetization revealed through Arrot-Belov-Kouvel (ABK) plots.
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  • Result 1-2 of 2
Type of publication
journal article (2)
Type of content
peer-reviewed (2)
Author/Editor
Nordblad, Per (2)
Hakim, M. A. (2)
Sikder, S. S. (2)
Noor, Saroaut (2)
Manjura Hoque, S. (2)
Mathieu, Roland (1)
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Hanium Maria, Kazi (1)
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University
Uppsala University (2)
Language
English (2)
Research subject (UKÄ/SCB)
Natural sciences (1)

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