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首页> 外文期刊>Magnetics, IEEE Transactions on >Effect of Additional Elements on the Structural Properties, Magnetic Characteristics and Natural Resonance Frequency of Strontium Ferrite Nanoparticles/Polymer Composite
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Effect of Additional Elements on the Structural Properties, Magnetic Characteristics and Natural Resonance Frequency of Strontium Ferrite Nanoparticles/Polymer Composite

机译：附加元素对锶铁氧体纳米粒子/聚合物复合材料的结构性能，磁性能和自然共振频率的影响

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摘要

Substituted strontium ferrites ${rm SrFe}_{12-{rm x}}{rm Mg}_{{rm x}/2}{rm Sn}_{{rm x}/2}{rm O}_{19}$ (${rm x}=1$ , 2 and 3) were prepared by sol-gel method. X-ray diffraction (XRD), transmission electron microscope (TEM), AC susceptometer, vibrating sample magnetometer (VSM) and vector network analyzer were used to analyze the structure, static and dynamic magnetic properties of the prepared samples. The prepared ferrite particles possess irregular non spherical shape with a broad size distribution. The substitution was very effective in reducing coercive field. Based on microwave measurements of reflectivity, ${rm SrFe}_{12-{rm x}}{rm Mg}_{{rm x}/2}{rm Sn}_{{rm x}/2}{rm O}_{19}$ is a good candidate for electromagnetic compatibility and other practical applications at high frequencies.
机译：替代锶铁氧体$ {rm SrFe} _ {12- {rm x}} {rm Mg} _ {{rm x} / 2} {rm Sn} _ {{rm x} / 2} {rm O} _ {19 } $（$ {rm x} = 1 $，2和3）通过溶胶-凝胶法制备。利用X射线衍射（XRD），透射电子显微镜（TEM），交流电磁化计，振动样品磁强计（VSM）和矢量网络分析仪对所制备样品的结构，静态和动态磁性能进行了分析。制备的铁氧体颗粒具有不规则的非球形形状，具有宽的尺寸分布。替代在减少强制场方面非常有效。根据微波反射率测量，$ {rm SrFe} _ {12- {rm x}} {rm Mg} _ {{rm x} / 2} {rm Sn} _ {{rm x} / 2} {rm O } _ {19} $是高频电磁兼容性和其他实际应用的理想选择。

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