Explainable AI for Curie Temperature Prediction in Magnetic Materials

• URL: http://arxiv.org/abs/2508.06996v2
• Date: Sat, 16 Aug 2025 14:33:28 GMT
• Title: Explainable AI for Curie Temperature Prediction in Magnetic Materials
• Authors: M. Adeel Ajaib, Fariha Nasir, Abdul Rehman,
• Abstract summary: We explore machine learning techniques for predicting Curie temperatures of magnetic materials using the NEMAD database.<n>We find that the Extra Trees Regressor delivers the best performance reaching an R2 score of up to 0.85 $pm$ 0.01 for a balanced dataset.
• Score: 0.2184775414778289
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We explore machine learning techniques for predicting Curie temperatures of magnetic materials using the NEMAD database. By augmenting the dataset with composition-based and domain-aware descriptors, we evaluate the performance of several machine learning models. We find that the Extra Trees Regressor delivers the best performance reaching an R^2 score of up to 0.85 $\pm$ 0.01 (cross-validated) for a balanced dataset. We employ the k-means clustering algorithm to gain insights into the performance of chemically distinct material groups. Furthermore, we perform the SHAP analysis to identify key physicochemical drivers of Curie behavior, such as average atomic number and magnetic moment. By employing explainable AI techniques, this analysis offers insights into the model's predictive behavior, thereby advancing scientific interpretability.

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