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Presence of neodymium and gadolinium in cobalt ferrite lattice:Structural,magnetic and microwave features for electromagnetic wave absorbing

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Journal of Rare Earths 2020年第4期38卷 411-417页

作者： alireza nikzad Roghaieh Parvizi Department of Physics College of SciencesYasouj UniversityYasouj75914-353Iran

In this work,neodymium substituted gadolinium-cobalt ferrite nanoparticles were synthesized by hydrothermal *** significant role of doping both the Nd3+and Gd3+ions to cobalt ferrite in manipulating the cation distribution and further in influencing structural and magnetic properties was experimentally studied and *** influence of Nd3+substitution was investigated with step of 0.02-0.1 into the optimized Gd-Co *** crystal structure formation and crystallite size were explored by X-ray diffraction analysis in which the crystallite size and lattice constant decrease with increasing the Nd3+*** microstructural properties were studied by field emission scanning electron microscopy and atomic force microscopy *** obtained structural and morphological results reveal that the substitution of Nd3+with more than 0.06 into the Gd-Co ferrites will change the material be havior and *** saturation magnetization and coercivity values were measured using a vibration sample magnetometer at room *** microwave absorption experiments demonstrate that the reflection loss properties enhance with increasing substitution of Nd3+cations in Gd-Co ferrite spinel *** research reports that the as-prepared Nd3+substituted Gd-Co ferrite compound stands as promising candidate for absorbing electromagnetic wave with a wider absorbing bandwidth of X-band.

关键词： Gd-Co nanoferrite Coercive field Microwave absorption Rare earths

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