Exploration on magnetic, dielectric and magnetodielectric properties of PNZT-strontium hexaferrite composites

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Bulletin of Materials Science Pub Date : 2025-07-30 DOI:10.1007/s12034-025-03452-z

Gurpreet Singh, Harjeet Kaur, Sajan Masih, Arshdeep Kaur, Shiffali Middha, Sunil Kumar, Jasvir Singh, Jahangeer Ahmed, Javier Lopez Garcia, Satvir Singh, Nitin Tandon, Indu Sharma, Anupinder Singh

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引用次数: 0

Abstract

Magnetodielectric composites _xPb_0.8Nd_0.2(Zr_0.52Ti_0.48)O₃-_1-xSrFe₁₂O₁₉ (x = 0.50, 0.52, 0.54, 0.56, 0.58) have been reported. Structural phase analysis confirmed successful synthesis of reported ceramic composites. Magnetic hysteresis reveals magnetic ordering in prepared composites whereas micrographs strongly support dielectric permittivity. All prepared composites exhibit high values of dielectric constant. Strong magnetodielectric response (MDR) is observed in low frequency region which goes on decreasing with frequency, indicating Maxwell-Wagner interfacial phenomenon in the studied composites. The MDR extends to higher frequency range (>100 kHz) signifying strain mediated mechanical coupling between ferrite and dielectric phases which is calculated in terms of the coupling coefficient (γ).

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pnzt -锶六铁氧体复合材料的磁性、介电及磁介电性能探讨

磁介电复合材料xPb0.8Nd0.2(Zr0.52Ti0.48)O3-1-xSrFe12O19 （x = 0.50, 0.52, 0.54, 0.56, 0.58）已被报道。结构相分析证实了所报道的陶瓷复合材料的成功合成。磁滞现象揭示了制备的复合材料的磁有序性，而显微照片强烈支持介电常数。所制备的复合材料均具有较高的介电常数。在低频区观察到强磁介电响应（MDR）随频率的增加而减小，表明复合材料中存在麦克斯韦-瓦格纳界面现象。MDR扩展到更高的频率范围（>100 kHz），表明铁氧体和介电相之间的应变介导的机械耦合，这是根据耦合系数（γ）计算的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Bulletin of Materials Science 工程技术-材料科学：综合

CiteScore

3.40

自引率

5.60%

发文量

209

审稿时长

11.5 months

期刊介绍： The Bulletin of Materials Science is a bi-monthly journal being published by the Indian Academy of Sciences in collaboration with the Materials Research Society of India and the Indian National Science Academy. The journal publishes original research articles, review articles and rapid communications in all areas of materials science. The journal also publishes from time to time important Conference Symposia/ Proceedings which are of interest to materials scientists. It has an International Advisory Editorial Board and an Editorial Committee. The Bulletin accords high importance to the quality of articles published and to keep at a minimum the processing time of papers submitted for publication.