Investigation of structural, dielectric and electrical properties of lead-free bismuth-based layered multifunctional material: CaBiGdNbVO9 for device fabrication

IF 0.8 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY Journal of the Korean Physical Society Pub Date : 2024-07-11 DOI:10.1007/s40042-024-01140-5
N. Kumar, S. S. Hota, D. Panda, S. K. Samal, R. N. P. Choudhary, U. Prasad
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Abstract

The current study endeavors to fabricate a lead-free bismuth-based layered multifunctional material denoted as CaBiGdNbVO9 (CBGNVO), achieved through synthesis and characterization. X-ray diffraction analysis indicates a polycrystalline nature for the developed system, exhibiting orthorhombic crystal symmetry. Structural parameters obtained are a = 14.5781 Å, b = 27.3108 Å, c = 3.7148 Å, and V = 1479.01 Å3. Electron microscopic examination reveals compactness and uniform distribution of grains of similar sizes across the pellet sample surface. Electrical data analysis, encompassing relative permittivity, loss tangent, and impedance as functions of temperature and frequency, elucidates dielectric relaxation and conduction mechanisms within the material. These findings suggest the potential suitability for various applications, such as temperature sensors and bandwidth regulation. Examination of electronic charge carriers reveals a short-range order, validated through complex modulus and impedance spectrum analysis. A comprehensive investigation into resistive, capacitive, and microstructural characteristics provides valuable insights, positioning the material as a viable electronic component for device fabrication.

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无铅铋基层状多功能材料的结构、介电和电气性能研究:用于器件制造的 CaBiGdNbVO9
本研究致力于通过合成和表征,制造一种无铅铋基层状多功能材料,命名为 CaBiGdNbVO9(CBGNVO)。X 射线衍射分析表明,所开发的系统具有多晶性质,呈现正交对称晶体。获得的结构参数为 a = 14.5781 Å、b = 27.3108 Å、c = 3.7148 Å 和 V = 1479.01 Å3。电子显微镜检查显示,整个颗粒样品表面大小相似的晶粒结构紧凑、分布均匀。电学数据分析包括相对介电系数、损耗正切和阻抗与温度和频率的函数关系,阐明了材料内部的介电弛豫和传导机制。这些发现表明,这种材料可能适用于温度传感器和带宽调节等各种应用。通过复模量和阻抗谱分析,对电子电荷载流子的研究揭示了一种短程秩序。对电阻、电容和微结构特性的全面研究提供了有价值的见解,使这种材料成为用于设备制造的可行电子元件。
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来源期刊
Journal of the Korean Physical Society
Journal of the Korean Physical Society PHYSICS, MULTIDISCIPLINARY-
CiteScore
1.20
自引率
16.70%
发文量
276
审稿时长
5.5 months
期刊介绍: The Journal of the Korean Physical Society (JKPS) covers all fields of physics spanning from statistical physics and condensed matter physics to particle physics. The manuscript to be published in JKPS is required to hold the originality, significance, and recent completeness. The journal is composed of Full paper, Letters, and Brief sections. In addition, featured articles with outstanding results are selected by the Editorial board and introduced in the online version. For emphasis on aspect of international journal, several world-distinguished researchers join the Editorial board. High quality of papers may be express-published when it is recommended or requested.
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