Correlation Between Composition and Electrodynamics Properties in Nanocomposites Based on Hard/Soft Ferrimagnetics with Strong Exchange Coupling

Munirah Abdullah Almessiere, Alex V. Trukhanov, Y. Slimani, Kok Yeow You, Sergei V. Trukhanov, Ekaterina L. Trukhanova, Fahmiruddin Esa, A. Sadaqat, Kashif Tufail Chaudhary, Maxim Vladimirovich Zdorovets

1 more author

Abdulhadi BAYKAL

Nanomaterials, 2019

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DOI 10.3390/nano9020202

Data confidence 85 high

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Abstract

(x = 2, 3, 4, and 5) as strongly exchange-coupled nanosized ferrites were fabricated using a one-pot sol⁻gel combustion method (citrate sol-gel method). The X-ray diffraction (XRD) powder patterns of the products confirmed the occurrence of pure, exchange-coupled ferrites. Frequency dependencies of the microwave characteristics (MW) were investigated using a co-axial method. The non-linear behavior of the MW with the composition transformation may be due to different degrees of Fe ion oxidation on the spinel/hexaferrite grain boundaries and strong exchange coupling during the hard and soft phases.