利用高能球磨直接合成钛酸钡陶瓷固溶体的替代方法

IF 0.7 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Archives of Metallurgy and Materials Pub Date : 2023-11-06 DOI:10.24425/AMM.2020.132824

W. Bąk, P. Dulian, B. Garbarz-Glos, D. Czekaj, A. Lisińska-Czekaj

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引用次数: 1

摘要

采用高能球磨机械化学处理和高温固相反应法制备了BaTiO3多晶样品和Ba0.9Sr0.1TiO3、Ba0.9Sr0.1Ti0.9Sn0.1O3、ba0.9 sr0.1 ti0.8 sn0.1 2o3固溶体。研究了合成条件对所得固溶体显微结构、介电性能和铁电性能的影响。用x射线衍射仪(XRD)和扫描电镜(SEM)对所研究样品的结构和形貌进行了表征。在-130°C至250°C的温度范围内，采用介电光谱方法在0.1 Hz至10 MHz的频率范围内对陶瓷的电性能进行了表征。描述了陶瓷样品的准电-铁电相变扩散和介电弛豫。

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ALTERNATIVE, DIRECT SYNTHESIS METHOD OF THE CERAMIC SOLID SOLUTIONS BASED ON BaTiO3 THROUGH A HIGH ENERGY BALL MILLING

Polycrystalline samples BaTiO3 and the solid solutions Ba0.9Sr0.1TiO3, Ba0.9Sr0.1Ti0.9Sn0.1O3, Ba0.9Sr0.1Ti0.8Sn0.2O3 were obtained by means of a mechanochemical treatment based on the high-energy ball milling technique and next a high temperature solid state reaction method. The influence of synthesis condition on microstructural, dielectric and ferroelectric properties of obtained solid solutions were investigated. The structure and morphology of the investigated samples were characterized by an X-ray diffraction (XRD) and scanning electron microscopy (SEM). The characterization of electrical properties of the ceramics within the temperature range from –130°C to 250°C were performed by means of a dielectric spectroscopy method at the frequency ranging from 0.1 Hz to 10 MHz. The diffusion of the paraelectric – ferroelectric phase transition and dielectric relaxation for ceramic samples are described.

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来源期刊

Archives of Metallurgy and Materials 工程技术-冶金工程

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

4.5 months

期刊介绍： The Archives of Metallurgy and Materials is covered in the following Institute for Scientific Information products: SciSearch (the Science Citation Index - Expanded), Research Alert, Materials Science Citation Index, and Current Contents / Engineering, Computing and Technology. Articles published in the Archives of Metallurgy and Materials are also indexed or abstracted by Cambridge Scientific Abstracts.