EFFECT OF MG, CO AND TI CATIONS ON MAGNETIC AND MICROWAVE PROPERTIES OF 
SRFE12O19 NANOPARTICLES

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GORDANI G.; GHASEMI A.; SAIDI A.

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Paper Information

Journal: ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL) Year:2016 | Volume:34 | Issue:4 Page(s): 19-31

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Title

EFFECT OF MG, CO AND TI CATIONS ON MAGNETIC AND MICROWAVE PROPERTIES OF SRFE12O19 NANOPARTICLES

Author(s)

GORDANI G. | GHASEMI A. | SAIDI A. | Issue Writer Certificate

Keywords

STRONTIUM HEXAFERRITEQ2

MAGNETIC PROPERTIESQ2

REFLECTION LOSSQ3

CO-PRECIPITATIONQ2

Abstract

Nanoparticles of Mg–Co–Ti substituted STRONTIUM HEXAFERRITE with nominal composition of SrFe12-2x (Mg, Co) 0.5x TixO19 (x=0-2.5) were synthesized by a CO-PRECIPITATION method. The structural, magnetic and electromagnetic properties of samples were studied as a function of x by thermal gravimetric (TG), X-ray diffraction (XRD), transmission electron microscopy (TEM), vibrating sample magnetometer (VSM) and vector network analysis. It was found that the synthesis temperature increases with an increase in Mg–Co-Ti substitution and hence the particle size decreases. The XRD results showed that whole samples had good crystallinity and with an increase incations, the impurity phase of Fe2O3 appears. The results of hysteresis loops indicated that the saturation of magnetization of ferrite decreases from 40 emu/g to 19 emu/g with an increase in x. The Mossbauer spectroscopy showed that the cations are substituted in the 12k site of magnetoplumbite structure. Vector network measurements showed that the doped samples had much more effective REFLECTION LOSS values than those of undoped ferrites. As a result, Mg-Co-Ti doped Sr-hexaferrites with x=2 can be proposed as suitable absorbers for applications in microwave technology with a good deal of consistency.

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APA: Copy

GORDANI, G., GHASEMI, A., & SAIDI, A.. (2016). EFFECT OF MG, CO AND TI CATIONS ON MAGNETIC AND MICROWAVE PROPERTIES OF SRFE₁₂O₁₉ NANOPARTICLES. ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL), 34(4), 19-31. SID. https://sid.ir/paper/163274/en

Vancouver: Copy

GORDANI G., GHASEMI A., SAIDI A.. EFFECT OF MG, CO AND TI CATIONS ON MAGNETIC AND MICROWAVE PROPERTIES OF SRFE₁₂O₁₉ NANOPARTICLES. ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL)[Internet]. 2016;34(4):19-31. Available from: https://sid.ir/paper/163274/en

IEEE: Copy

G. GORDANI, A. GHASEMI, and A. SAIDI, “EFFECT OF MG, CO AND TI CATIONS ON MAGNETIC AND MICROWAVE PROPERTIES OF SRFE₁₂O₁₉ NANOPARTICLES,” ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL), vol. 34, no. 4, pp. 19–31, 2016, [Online]. Available: https://sid.ir/paper/163274/en

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