PREPARATION OF COBALT-ZINC FERRITE NANOPARTICLES AND INVESTIGATION OF THE VARIATION OF BLOCKING TEMPERATURE WITH SUBSTITUTION OF COBALT BY ZINC IN AN ALTERNATIVE MAGNETIC FIELD AT DIFFERENT FREQUENCIES

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MANOUCHEHRI S.; AMIGHIAN J.; MOZAFFARI M.; YOUSEFI M.H.

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Paper Information

Journal: Iranian Journal of Crystallography and Mineralogy Year:2012 | Volume:20 | Issue:1 Page(s): 179-186

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Title

PREPARATION OF COBALT-ZINC FERRITE NANOPARTICLES AND INVESTIGATION OF THE VARIATION OF BLOCKING TEMPERATURE WITH SUBSTITUTION OF COBALT BY ZINC IN AN ALTERNATIVE MAGNETIC FIELD AT DIFFERENT FREQUENCIES

Author(s)

MANOUCHEHRI S. | AMIGHIAN J. | MOZAFFARI M. | YOUSEFI M.H. | Issue Writer Certificate

Keywords

COPRECIPITATION METHODQ2

NANOPARTICLESQ2

SUPER PARAMAGNETISMQ2

VOGEL-FULCHER LAWQ2

Abstract

In this research magnetic NANOPARTICLES of cobalt–zinc ferrite (Co1-xZnxFe2O4, x=0, 0.2, 0.4, 0.6, 0.8), have been synthesized by the COPRECIPITATION METHOD, using stable ferric, zinc and cobalt salts with sodium hydroxide, at 80oC. Phase formation and the morphology of the resulting NANOPARTICLES were studied by X-ray diffraction and transmission electron microscopy respectively. Mean crystallite size of the NANOPARTICLES was calculated using Scherrer's formula and the results show that the mean crystallite size decreased from 13 to 8 nm by increasing x values from 0 to 0.8. The super paramagnetic behavior and dependence of blocking temperature TB on frequency were studied, using AC-susceptibility measurements at the range of 300 Hz to 100 kHz and fitted by VOGEL-FULCHER LAW. According to this law, it was found that there is a strong magnetic interaction between the ferrite NANOPARTICLES.

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APA: Copy

MANOUCHEHRI, S., AMIGHIAN, J., MOZAFFARI, M., & YOUSEFI, M.H.. (2012). PREPARATION OF COBALT-ZINC FERRITE NANOPARTICLES AND INVESTIGATION OF THE VARIATION OF BLOCKING TEMPERATURE WITH SUBSTITUTION OF COBALT BY ZINC IN AN ALTERNATIVE MAGNETIC FIELD AT DIFFERENT FREQUENCIES. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 20(1), 179-186. SID. https://sid.ir/paper/4292/en

Vancouver: Copy

MANOUCHEHRI S., AMIGHIAN J., MOZAFFARI M., YOUSEFI M.H.. PREPARATION OF COBALT-ZINC FERRITE NANOPARTICLES AND INVESTIGATION OF THE VARIATION OF BLOCKING TEMPERATURE WITH SUBSTITUTION OF COBALT BY ZINC IN AN ALTERNATIVE MAGNETIC FIELD AT DIFFERENT FREQUENCIES. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2012;20(1):179-186. Available from: https://sid.ir/paper/4292/en

IEEE: Copy

S. MANOUCHEHRI, J. AMIGHIAN, M. MOZAFFARI, and M.H. YOUSEFI, “PREPARATION OF COBALT-ZINC FERRITE NANOPARTICLES AND INVESTIGATION OF THE VARIATION OF BLOCKING TEMPERATURE WITH SUBSTITUTION OF COBALT BY ZINC IN AN ALTERNATIVE MAGNETIC FIELD AT DIFFERENT FREQUENCIES,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 20, no. 1, pp. 179–186, 2012, [Online]. Available: https://sid.ir/paper/4292/en

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