Analysis on the Crystal Structure of the Piezoelectric Nanocrystal Ceramic of Pr-doped Bi1/2Na1/2TiO3 using Molten-Salt Synthesis

IF 0.8 Q3 MULTIDISCIPLINARY SCIENCES Makara Journal of Science Pub Date : 2021-09-30 DOI:10.7454/mss.v25i3.1246
S. Ahda, Vita Ambarwati, Mardiyanto, E. Sukirman, B. Sugeng
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Abstract

One of the future technologies in nuclear reactors is the ability of piezoelectric materials to monitor reactor cores as sensors. Particularly, Pb-free piezoelectric materials, such as Bi1/2Na1/2TiO3, have been examined to improve the ability of their piezoelectric properties. In this study, we attempted to add Pr6O11 dopant material with mole ratios of 0, 0.3, 0.5, and 0.7 mol%. The synthesis process used in this study is the molten-salt synthesis method with a NaCl and KCl salt mole ratio of 1:1. The crystal structure analysis using the refinement process of the Rietveld method of the HighScore software was performed. Accordingly, a rhombohedral crystal structure system with lattice parameters of 3.8809(2), 3.8831(2), 3.8834(7), and 3.8816(2) angstroms and variations in the content of Pr6O11 was obtained. The optimal lattice parameter was discovered with the addition of 0.5 mol% of Pr6O11. The morphology of the synthesis product is still unclear for each addition of dopant material due to the large number of granular agglomerations.
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熔融盐法合成掺pr Bi1/2Na1/2TiO3压电纳米陶瓷的晶体结构分析
未来的核反应堆技术之一是压电材料作为传感器监测反应堆堆芯的能力。特别是对Bi1/2Na1/2TiO3等无铅压电材料进行了研究,以提高其压电性能。在本研究中,我们尝试添加摩尔比为0、0.3、0.5和0.7 mol%的Pr6O11掺杂材料。本研究采用的合成工艺为NaCl与KCl盐摩尔比为1:1的熔融盐合成法。采用HighScore软件的Rietveld法细化过程进行晶体结构分析。由此得到了晶格参数分别为3.8809(2)、3.8831(2)、3.8834(7)和3.8816(2)埃且随Pr6O11含量变化的菱形体晶体结构体系。当Pr6O11的加入量为0.5 mol%时,发现了最佳的晶格参数。由于大量的颗粒团块,每次添加掺杂材料合成产物的形貌仍然不清楚。
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来源期刊
Makara Journal of Science
Makara Journal of Science MULTIDISCIPLINARY SCIENCES-
CiteScore
1.30
自引率
20.00%
发文量
24
审稿时长
24 weeks
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