通过与 Sr2Bi4Ti5O18 和 ZnSnO3 氧化物形成固溶体增强 YFeO3 陶瓷的磁性和介电特性

IF 1.5 4区物理与天体物理 Q3 PHYSICS, CONDENSED MATTER

Physica Status Solidi B-basic Solid State Physics Pub Date : 2024-05-12 DOI:10.1002/pssb.202400089

Kolleti Venkatadri, Dudekula Zarena

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引用次数: 0

摘要

本次研究的重点是 YFeO3 与其他氧化物材料的相似晶体结构之间形成的固溶体的磁性和介电性质。考虑到 YFeO3 (YFO)、Sr2Bi4Ti5O18 (SBT) 和 ZnSnO3 (ZS) 纳米材料的正长方晶体结构，在 1150 °C/3 h 制备固溶体时，YFO 和固溶体呈现出正长方晶体结构，并通过 X 射线粉末衍射图样进行里特维尔德细化。通过扫描电子显微镜观察，与 YFO（3.4 μm）相比，固溶体的平均晶粒尺寸有所减小（YFO 和 ZS 为 3.0 μm，YFO 和 SBT 为 2.6 μm）。通过 X 射线光电子能谱研究，确定了存在于 YFO 和固溶体中的每个原子/离子/元素的氧化态。与 YFO 和 ZS（磁化值 = 2.48 emu g-1，矫顽力 = 46.4 Oe）和 YFO（磁化值 = 1.91 emu g-1，矫顽力 = 61.8 Oe）之间形成的固溶体相比，YFO 和 SBT 之间形成的固溶体具有高磁化值（2.92 emu g-1）和高矫顽力（67.5 Oe）。与本研究中的其他材料相比，YFO 和 SBT 之间形成的固溶体具有高介电常数（εr）、低介电损耗（tan δ）和低电导率。

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Enhanced Magnetic and Dielectric Properties of YFeO3 Ceramics via Formation of Solid‐Solution with Sr2Bi4Ti5O18 and ZnSnO3 Oxides

In the present investigation, magnetic and dielectric properties of solid‐solution formed between the YFeO3 with the similar crystal structure of other oxide materials are focused on. Orthorhombic crystal structure of YFeO3 (YFO), Sr2Bi4Ti5O18 (SBT), and ZnSnO3 (ZS) nanomaterials are considered to prepare the solid solutions at 1150 °C/3 h. YFO and solid solutions exhibit the orthorhombic crystal structure, which is conformed through Rietveld refinement using X‐Ray powder diffraction pattern. The decreased average grain size is observed for the solid solution (3.0 μm for YFO and ZS and 2.6 μm for YFO and SBT) when compared to YFO (3.4 μm) through scanning electron microscopy. Oxidation state of each atom/ion/element present in the YFO and solid solutions are conformed through X‐Ray photoelectron spectroscopy studies. The solid solution formed between the YFO and SBT exhibits high magnetization value (2.92 emu g−1) and high coercive filed (67.5 Oe) when compared to solid solution formed between the YFO and ZS (magnetization value = 2.48 emu g−1, and coercive filed = 46.4 Oe) and YFO (magnetization value = 1.91 emu g−1, and coercive filed = 61.8 Oe). High dielectric permittivity (εr), low dielectric loss (tan δ), and low conductivity are observed for the solid solution formed between the YFO and SBT, when compared to other materials in this study.

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来源期刊

Physica Status Solidi B-basic Solid State Physics 物理-物理：凝聚态物理

CiteScore

3.30

自引率

6.20%

发文量

321

审稿时长

2 months

期刊介绍： physica status solidi is devoted to the thorough peer review and the rapid publication of new and important results in all fields of solid state and materials physics, from basic science to applications and devices. Being among the largest and most important international publications, the pss journals publish review articles, letters and original work as well as special issues and conference contributions. physica status solidi b – basic solid state physics is devoted to topics such as theoretical and experimental investigations of the atomistic and electronic structure of solids in general, phase transitions, electronic and optical properties of low-dimensional, nano-scale, strongly correlated, or disordered systems, superconductivity, magnetism, ferroelectricity etc.