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首页> 外文期刊>World review of science, technology and sustainable development >Experimental studies from FT-IR with TG-DTA analysis of ferrites
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Experimental studies from FT-IR with TG-DTA analysis of ferrites

机译：FT-IR与TG-DTA分析铁氧体的实验研究

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摘要

Mg_(0.40)Mn_(0.60-x)Ni_xFe_2O_4 spinel nanoferrites were obtained by the co-precipitation method. The as-obtained powders were characterised by XRD analysis. All nanoferrite powders obtained from different organic precursors, after synthesising, were pure spinel phase, without secondary phases. TEM and AFM analyses confirmed that the average crystallite size, estimated from Scherrer equation, was the smallest for nanoferrites obtained from a mixture of the compounds and showing their particle size ranging from 20 nm to 50 nm. The prepared nanoferrites were characterised by Fourier transform-infrared spectroscopy (FT-IR), thermogravimetry (TG), differential thermal analysis (DTA) and derivative thermogravity (DTG). The results of these observations are described and discussed.
机译：通过共沉淀法获得了Mg_（0.40）Mn_（0.60-x）Ni_xFe_2O_4尖晶石纳米铁氧体。通过XRD分析表征所获得的粉末。合成后，从不同有机前体获得的所有纳米铁氧体粉末均为纯尖晶石相，没有第二相。 TEM和AFM分析证实，根据Scherrer方程估算的平均晶粒尺寸对于由这些化合物的混合物获得的纳米铁氧体而言是最小的，并且显示出其粒径在20 nm至50 nm之间。制备的纳米铁氧体通过傅里叶变换红外光谱（FT-IR），热重分析（TG），差热分析（​​DTA）和导数热重（DTG）进行表征。这些观察的结果进行了描述和讨论。

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