Modulation of solid solution in MgxMn1−xAl2xFe2(1−x)O4 spinel ceramics for multifunctional devices

IF 3.5 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of the American Ceramic Society Pub Date : 2024-09-19 DOI:10.1111/jace.20145

Yue Xian, Yang Zhou, Jia Chen, Wenyuan Li, Ruifeng Wu, Shuangji Feng, Aimin Chang, Bo Zhang

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引用次数: 0

Abstract

Solid solution modulation is an ideal method for combining the advantages of different parent compounds while mitigating their disadvantages. Here, we investigated the thermal sensitivity, magnetic properties, and microwave absorption of Mg_xMn₁₋_xAl₂_xFe₂₍₁₋_x₎O₄ (0.2 ≤ x ≤ 0.8) spinel solid solution ceramics for application in multifunctional devices. The electrical transport and magnetic properties can be modulated by adjusting the solution ratio. The ceramics exhibit negative temperature coefficient characteristic. The B-values from 5065–8056 K, suggesting accurate temperature measurements over a wide temperature range. As a type of soft magnetic material, it has a narrow hysteresis loop and high resistivity. Vector network analyzer studies indicate Mg_0.2Mn_0.8Al_0.4Fe_1.6O₄ could be a candidate for microwave absorption in S-band. This study successfully extends the applicability of Mg_xMn₁₋_xAl₂_xFe₂₍₁₋_x₎O₄ ceramics for high-temperature thermistors and also confirms potential for multifunctional device.

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调制 MgxMn1-xAl2xFe2(1-x)O4 尖晶石陶瓷中的固溶体以实现多功能设备

固溶体调制是一种理想的方法，既能结合不同母体化合物的优点，又能减轻它们的缺点。在此，我们研究了 MgxMn1-xAl2xFe2(1-x)O4 (0.2 ≤ x ≤ 0.8) 尖晶石固溶体陶瓷的热敏性、磁性和微波吸收，以应用于多功能设备。通过调整溶液比例，可以调节电传输和磁特性。陶瓷呈现负温度系数特性。其 B 值范围为 5065-8056 K，表明可以在很宽的温度范围内进行精确的温度测量。作为一种软磁材料，它具有窄磁滞回线和高电阻率。矢量网络分析仪研究表明，Mg0.2Mn0.8Al0.4Fe1.6O4 可能是 S 波段微波吸收的候选材料。这项研究成功地扩展了 MgxMn1-xAl2xFe2(1-x)O4 陶瓷在高温热敏电阻中的应用，同时也证实了其在多功能器件中的潜力。

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来源期刊

Journal of the American Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

7.50

自引率

7.70%

发文量

590

审稿时长

2.1 months

期刊介绍： The Journal of the American Ceramic Society contains records of original research that provide insight into or describe the science of ceramic and glass materials and composites based on ceramics and glasses. These papers include reports on discovery, characterization, and analysis of new inorganic, non-metallic materials; synthesis methods; phase relationships; processing approaches; microstructure-property relationships; and functionalities. Of great interest are works that support understanding founded on fundamental principles using experimental, theoretical, or computational methods or combinations of those approaches. All the published papers must be of enduring value and relevant to the science of ceramics and glasses or composites based on those materials. Papers on fundamental ceramic and glass science are welcome including those in the following areas: Enabling materials for grand challenges[...] Materials design, selection, synthesis and processing methods[...] Characterization of compositions, structures, defects, and properties along with new methods [...] Mechanisms, Theory, Modeling, and Simulation[...] JACerS accepts submissions of full-length Articles reporting original research, in-depth Feature Articles, Reviews of the state-of-the-art with compelling analysis, and Rapid Communications which are short papers with sufficient novelty or impact to justify swift publication.

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