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首页> 美国卫生研究院文献>Nanomaterials >Influence of Zn+2 Doping on Ni-Based Nanoferrites; (Ni1−x ZnxFe2O4)
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Influence of Zn+2 Doping on Ni-Based Nanoferrites; (Ni1−x ZnxFe2O4)

机译：Zn + 2掺杂对镍基纳米铁氧体的影响； （Ni1-x ZnxFe2O4）

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Nickel zinc nanoferrites (Ni1−xZnxFe2O4) were synthesized via a chemical co-precipitation method having stoichiometric proportion (x) altering from 0.00 to 1.00 in steps of 0.25. The synthesized nanoparticles were sintered at 800 °C for 12 h. X-ray diffraction patterns illustrate that the nanocrystalline cubic spinel ferrites have been obtained after sintering. The Scherrer formula is used to evaluate the particle size using the extreme intense peak (311). The experimental results demonstrate that precipitated particles’ size was in the range of 20–60 nm. Scanning electron microscopy (SEM) is used to investigate the elemental configuration and morphological characterizations of all the prepared samples. FTIR spectroscopy data for respective sites were examined in the range of 300–1000 cm−1. The higher frequency band ν1 were assigned due to tetrahedral complexes while lower frequency band ν2 were allocated due to octahedral complexes. Our experimental results demonstrate that the lattice constant a0 increases while lattice strain decreases with increasing zinc substitution in nickel zinc nanoferrites.
机译：镍锌纳米铁氧体（Ni1-xZnxFe2O4）通过化学共沉淀法合成，化学计量比（x）从0.00变为1.00，步长为0.25。合成的纳米粒子在800°C下烧结12 h。 X射线衍射图表明，烧结后获得了纳米晶立方尖晶石铁氧体。 Scherrer公式用于使用极强峰（311）评估粒径。实验结果表明，沉淀的颗粒尺寸在20-60 nm之间。扫描电子显微镜（SEM）用于研究所有制备样品的元素构型和形态表征。在300–1000 cm -1 范围内检查了各个站点的FTIR光谱数据。较高的频段ν1是由于四面体的复杂性，而较低的频段ν2是由于八面体的复杂性。我们的实验结果表明，随着镍锌纳米铁氧体中锌取代量的增加，晶格常数a0增大，而晶格应变减小。

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