Ba0.7Gd0.3MoxFe12-xO19 (x = 0.02)六铁体陶瓷的结构和介电行为研究

IF 1.3 4区物理与天体物理 Q4 PHYSICS, CONDENSED MATTER

Ferroelectrics Letters Section Pub Date : 2023-05-04 DOI:10.1080/07315171.2023.2189851

Pratiksha Agnihotri, Abhijeet Kumar, R. Rai, Budhendra Singh

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引用次数: 1

摘要

摘要:采用固相反应法制备了(Ba0.7Gd0.3MoxFe12-xO19)多铁陶瓷复合材料，其摩尔%分数为x = 0.02，在室温下用x射线衍射对其结构进行了初步研究。结果表明，样品具有六方结构的铁素体相。x-Fe2O3的杂质相出现在32 ~ 34度。采用Debye-Scherer和Williamson-Hall方法分析Ba0.7Gd0.3MoxFe12-xO19(其中x = 0.02)的峰展宽。电介质图显示，随着频率的增加，居里温度向高温方向移动。电介质在200 ~ 300℃时发生跃迁。

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Investigation of Structural and Dielectric Behavior of Ba0.7Gd0.3MoxFe12-xO19 (Where x = 0.02) Hexaferrite Ceramics

Abstract Multiferroic ceramic composites of (Ba0.7Gd0.3MoxFe12-xO19 were prepared by using the solid-state reaction method with mol% fractions of x = 0.02, The preliminary structural studies carried out by X-ray diffraction at room temperature. It reveals that the samples have a hexagonal structure ferrite phase. The impurity phase of x-Fe2O3 appear at 32 ∼ 34 degree. Debye–Scherer and Williamson–Hall method were used to analysis for peak broadening Ba0.7Gd0.3MoxFe12-xO19 (where x = 0.02). Dielectric graphs show that curie temperature shifted towards the high temperature with increasing the frequency. the dielectric transitions at 200–300 °C.

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来源期刊

Ferroelectrics Letters Section 物理-物理：凝聚态物理

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

4.8 months

期刊介绍： Ferroelectrics Letters is a separately published section of the international journal Ferroelectrics. Both sections publish theoretical, experimental and applied papers on ferroelectrics and related materials, including ferroelastics, ferroelectric ferromagnetics, electrooptics, piezoelectrics, pyroelectrics, nonlinear dielectrics, polymers and liquid crystals. Ferroelectrics Letters permits the rapid publication of important, quality, short original papers on the theory, synthesis, properties and applications of ferroelectrics and related materials.