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Automated classification of big X-ray diffraction data using deep learning models
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DOI：10.1038/s41524-023-01164-8.png)
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In current in situ X-ray diffraction (XRD) techniques, data generation surpasses human analytical capabilities, potentially leading to the loss of insights. Automated techniques require human intervention, and lack the performance and adaptability required for material exploration. Given the critical need for high-throughput automated XRD pattern analysis, we present a generalized deep learning model to classify a diverse set of materials' crystal systems and space groups. In our approach, we generate training data with a holistic representation of patterns that emerge from varying experimental conditions and crystal properties. We also employ an expedited learning technique to refine our model's expertise to experimental conditions. In addition, we optimize model architecture to elicit classification based on Bragg's Law and use evaluation data to interpret our model's decision-making. We evaluate our models using experimental data, materials unseen in training, and altered cubic crystals, where we observe state-of-the-art performance and even greater advances in space group classification.
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11.9
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2.4K
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