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Interpretable X-ray diffraction spectra analysis using confidence evaluated deep learning enhanced by template element replacement

delete2025-08-28
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OA
AI
R
Rongchang Xing
H
Haodong Yao
Z
Zuoxin Xi
M
Ming‐Hui Sun
Q
Qingmeng Li
J
Jinglong Tian
H
Hairui Wang
D
DeTing Xu
Z
Zhaohai Ma
赵丽娜 封面图
赵丽娜 (Lina Zhao) *
DOI:10.1038/s41524-025-01743-xdelete
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摘要

摘要

En 中文
X射线衍射分析对于理解材料结构至关重要,但受到复杂图谱和需要专家解读的限制。深度学习在相识别方面提供了自动化,但面临数据稀缺、预测过度自信和缺乏可解释性等挑战。本研究通过采用模板元素替换(Template Element Replacement)生成包含物理上不稳定虚拟结构的钙钛矿化学空间,增强了模型对XRD-晶体结构关系的理解,并将分类准确率提高了约5%。开发了一种贝叶斯-vggnet模型,在模拟谱上的准确率达到84%,在外部实验数据上达到75%,同时能够估计预测的不确定性。使用贝叶斯方法的评估显示低熵值,表明模型置信度高。量化输入特征对晶体对称性的重要性,将七个晶体系统的显著特征与物理原理对齐。这些方法增强了模型的鲁棒性和可靠性,使其适用于实际应用。
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npj Computational Materials 封面图
npj Computational Materials
IF:
11.9
论文数:
2.4K
被引数:
1.7W

机构

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Institute of High Energy Physics
学者数:
2.4K
论文数: 327
被引数: 1.7W
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