Dec 15, 2023
Deep learning models have drastically accelerated materials discovery by accelerating predictive computational simulations like density functional theory (DFT). Large open computational materials databases such as the Materials Project or OQMD contain O(10^6) known structures, and it is now straightforward to search those databases for materials with exciting properties. However, these databases are limited to experimentally known materials or candidates discovered in high-throughput computational campaigns. Many state-of-the-art engineering advances in solar photovaltaics, battery electrodes, and catalysts are made by discovering materials with outstanding properties that have not yet been discovered. Generative models are a natural solution to expand families of interest through sampling. While popular methods are typically constructed from variational autoencoders or diffusion models, we propose fine-tuning large language models for generation of stable materials. While unorthodox, fine-tuning large language models on text-encoded atomistic data is simple to implement yet reliable, with around 90
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