<br>基于粉末的高通量合成用于陶瓷开发的可行性：BiFeO3-BaTiO3 中煅烧温度影响的案例研究,Advanced Engineering Materials

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基于粉末的高通量合成用于陶瓷开发的可行性：BiFeO3-BaTiO3 中煅烧温度影响的案例研究
Advanced Engineering Materials ( IF 3.4 ) Pub Date : 2024-02-15 , DOI: 10.1002/adem.202302126
Udo Eckstein ₁ , Michel Kuhfuß ₁ , Tobias Fey _{1,

2} , Kyle G Webber ₁

Affiliation

机器学习能力的最新进展增加了人们对材料研究的兴趣，以提高材料发现和优化的效率，并更好地理解导致观察到的物理特性的潜在现象。虽然组合化学和成分工程在医药和化学产品的开发中已经很成熟，但其在块状功能多晶陶瓷领域的应用还远未成熟。在这项工作中，对高通量粉末分配系统进行了严格审查，并强调了从传统的人力资源密集型工作流程过渡到全自动流程所面临的挑战。基于无铅压电BiFeO ₃ –BaTiO ₃二元系统，研究了高通量工程的适用性和鲁棒性，以增加相图中的数据点密度，包括所得材料的成分变化。这项工作提出了四种不同煅烧温度下的 16 种不同的 BiFeO ₃ –BaTiO ₃组合物，均证明了该系统的潜力。这与自动晶体结构分析相结合，用于研究室温下煅烧温度对所得组合物的作用。

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Feasibility of Powder-Based High-Throughput Synthesis for Ceramics Development: Case Study on the Influence of Calcination Temperature in BiFeO3-BaTiO3

Recent advances in machine learning capabilities have increased interest in materials research to improve the efficiency of materials discovery and optimization as well as to better understand the underlying phenomena responsible for the observed physical properties. While combinatorial chemistry and compositional engineering is well established in the development of pharmaceutical and chemical products, its use in the field of bulk functional polycrystalline ceramics is far from mature. In this work, a critical review of a high-throughput powder-based dispensing system is provided and the challenges involved with the transition from a conventional, human resources intensive workflow to a fully automated process are highlighted. Based on the lead-free piezoelectric BiFeO₃–BaTiO₃ binary system, the applicability and robustness of high-throughput engineering is investigated to increase data point density in phase diagrams, including the composition variations of the resulting materials. This work presents 16 different BiFeO₃–BaTiO₃ compositions at four different calcination temperatures, both demonstrating the potential of the system. This is coupled to automated crystal structure analysis, which will be used to investigate the role of calcination temperature on the resulting compositions at room temperature.

更新日期：2024-02-15

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