Lanthanum Substituted Mg-Zn Ferrite Nanostructures: A Comprehensive Study of Cation Distribution, Structural, Morphological, Optical, Magnetic, Dielectric, and Electromagnetic Traits

IF 1.8 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

ECS Journal of Solid State Science and Technology Pub Date : 2024-07-02 DOI:10.1149/2162-8777/ad5a3c

Rohit Jasrotia, Anand Sharma, Jahangeer Ahmed, Ritesh Verma, Saad M. Alshehri, Natrayan Lakshmaiya, Mika Sillanpää, Rajinder Kumar and Virat Khanna

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Abstract

The sol-gel auto-combustion (SC) procedure was utilised to fabricate lanthanum-doped Mg-Zn nanostructures with the chemical composition, Mg0.6Zn0.4LaxFe2-xO4, (x = 0, 0.05, 0.10). X-ray diffraction showed nanocrystalline and single-phase of Mg-Zn nanostructures. The morphological traits showed formation of irregular and aggregated grains. Fourier transform infrared spectroscopy detected the formation of two characteristic band positions that fall within the range of 400 to 600 cm−1 and may occur because of stretching vibration within metal-oxygen (M-O) cations located at interstitial positions. From the M-H loops, the excellent values of magnetic factors, such as the saturation magnetization (Ms), rentivity (Mr), and coercivity (Hc) ranging from 35.30 to 44.79 emu g−1, 1.40 to 3.75 emu g−1, and 11.56 to 41.42 Oe were obtained. The loss tangent (tan δ) was observed to be miniscule for all of the samples due to which they can be useful for electronic applications. However, the initial values of the real permeability ( ) was high and it decreases until 4 GHz, after which it acquires a constant value for rest of frequency range. However, observed low values of the magnetic loss tangent (tan δμ) were due to the large grain size and the high densification of the samples.

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镧取代镁锌铁氧体纳米结构：阳离子分布、结构、形态、光学、磁学、介电和电磁特性的综合研究

利用溶胶-凝胶自动燃烧（SC）程序制备了化学成分为 Mg0.6Zn0.4LaxFe2-xO4 (x = 0, 0.05, 0.10) 的掺镧镁锌纳米结构。X 射线衍射显示镁锌纳米结构为纳米晶和单相。形态特征显示形成了不规则的聚集晶粒。傅立叶变换红外光谱检测到在 400 至 600 cm-1 范围内形成了两个特征带位置，这可能是位于间隙位置的金属氧（M-O）阳离子的伸缩振动所致。从 M-H 环路中可获得极佳的磁性因子值，如饱和磁化率 (Ms)、租金率 (Mr) 和矫顽力 (Hc)，范围分别为 35.30 至 44.79 emu g-1、1.40 至 3.75 emu g-1 和 11.56 至 41.42 Oe。据观察，所有样品的损耗正切（tan δ）都很小，因此可用于电子应用。然而，实际磁导率（）的初始值很高，在 4 GHz 之前一直在下降，之后在其余频率范围内获得了一个恒定值。然而，观察到的磁损耗正切（tan δμ）值较低，这是因为样品的晶粒尺寸较大且致密化程度较高。

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来源期刊

ECS Journal of Solid State Science and Technology MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED

CiteScore

4.50

自引率

13.60%

发文量

455

期刊介绍： The ECS Journal of Solid State Science and Technology (JSS) was launched in 2012, and publishes outstanding research covering fundamental and applied areas of solid state science and technology, including experimental and theoretical aspects of the chemistry and physics of materials and devices. JSS has five topical interest areas: carbon nanostructures and devices dielectric science and materials electronic materials and processing electronic and photonic devices and systems luminescence and display materials, devices and processing.