Structural, Magnetic and DC Electrical Resistivity Studies of Copper Substituted Mg0.6-xZn0.4CuxFe2O4 Ferrite System

IF 1.6 4区物理与天体物理 Q3 PHYSICS, APPLIED

Journal of Superconductivity and Novel Magnetism Pub Date : 2023-06-29 DOI:10.1007/s10948-023-06590-9

S. Kuswanth Kumar, M. S. N. A. Prasad, A. Rama Krishna, B. Vikram Babu, B. Sathish Mohan, M. P. Rao, K. Samatha

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Abstract

Ferrites made of copper substituted Mg_0.6-xZn_0.4Cu_xFe₂O₄ (x = 0.0, 0.1, 0.2 and 0.3) are extremely resistive and magnetic materials. They were produced using the ceramic method, and their structural, compositional, morphological, and functional characteristics were assessed using XRD, SEM, FT-IR, vibrating sample magnetometer (VSM), and dc electrical resistivity, respectively. They belong to the Fd-3m space group and have a spinel structure. After being calcined at 1000 °C, their particle size ranged from 1 to 1.56 μm. With the help of FT-IR analysis, which had absorption bands in the ranges of 570–576 cm^?1 and 424–430 cm^?1 for higher and lower frequency, respectively, their spinel structure was confirmed. The coercivity coefficient ranges from 73.33 to 154.7 Oe depending on the composition. The highest DC electrical resistivity was found to be 10⁶ Ω-cm at x = 0.1.

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铜取代Mg0.6-xZn0.4CuxFe2O4铁氧体体系的结构、磁性和直流电阻率研究

由铜取代的Mg0.6-xZn0.4CuxFe2O4 (x = 0.0, 0.1, 0.2和0.3)制成的铁氧体是极具电阻性和磁性的材料。采用陶瓷法制备，分别用XRD、SEM、FT-IR、振动样品磁强计(VSM)和直流电阻率对其结构、组成、形态和功能特征进行了表征。它们属于Fd-3m空间群，具有尖晶石结构。经1000℃煅烧后，其粒度范围为1 ~ 1.56 μm。在FT-IR分析的帮助下，其吸收带在570-576 cm?1和424-430厘米?高频和低频分别为1，证实了它们的尖晶石结构。根据成分的不同，矫顽力系数在73.33 ~ 154.7 Oe之间。在x = 0.1时，最高直流电阻率为106 Ω-cm。

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来源期刊

Journal of Superconductivity and Novel Magnetism 物理-物理：凝聚态物理

CiteScore

3.70

自引率

11.10%

发文量

342

审稿时长

3.5 months

期刊介绍： The Journal of Superconductivity and Novel Magnetism serves as the international forum for the most current research and ideas in these fields. This highly acclaimed journal publishes peer-reviewed original papers, conference proceedings and invited review articles that examine all aspects of the science and technology of superconductivity, including new materials, new mechanisms, basic and technological properties, new phenomena, and small- and large-scale applications. Novel magnetism, which is expanding rapidly, is also featured in the journal. The journal focuses on such areas as spintronics, magnetic semiconductors, properties of magnetic multilayers, magnetoresistive materials and structures, magnetic oxides, etc. Novel superconducting and magnetic materials are complex compounds, and the journal publishes articles related to all aspects their study, such as sample preparation, spectroscopy and transport properties as well as various applications.