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微软发布 MatterGen: 利用 Diffusion Model 实现材料设计

“MatterGen 是一种在材料的三维几何上运行的扩散模型,在 MP 和 Alex 数据库中训练了 60 万种稳定材料。图 3 中, MatterGen 可以持续生成更多新颖候选材料。相比之下,基线早就耗尽候选而停滞。

与 ImgGen 类似,扩散模型通过调整随机结构的位置、元素和周期性晶格来生成建议的结构。并且可以微调以在不同设计要求下生成材料,如特定化学、晶体对称性或偏好供应链安全元素。

通过与中科院 SIAT 团队合作合成了一种新型材料 TaCr2O6,其结构由 MatterGen 在设定弹性模量为 200 GPa 下生成,实验测得为 169 GPa,相对误差低于 20%,从实验角度来看非常接近。”



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微软发布 MatterGen: 利用 Diffusion Model 实现材料设计

“MatterGen 是一种在材料的三维几何上运行的扩散模型,在 MP 和 Alex 数据库中训练了 60 万种稳定材料。图 3 中, MatterGen 可以持续生成更多新颖候选材料。相比之下,基线早就耗尽候选而停滞。

与 ImgGen 类似,扩散模型通过调整随机结构的位置、元素和周期性晶格来生成建议的结构。并且可以微调以在不同设计要求下生成材料,如特定化学、晶体对称性或偏好供应链安全元素。

通过与中科院 SIAT 团队合作合成了一种新型材料 TaCr2O6,其结构由 MatterGen 在设定弹性模量为 200 GPa 下生成,实验测得为 169 GPa,相对误差低于 20%,从实验角度来看非常接近。”

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The Singapore stock market has alternated between positive and negative finishes through the last five trading days since the end of the two-day winning streak in which it had added more than a dozen points or 0.4 percent. The Straits Times Index now sits just above the 3,060-point plateau and it's likely to see a narrow trading range on Monday.

The STAR Market, as is implied by the name, is heavily geared toward smaller innovative tech companies, in particular those engaged in strategically important fields, such as biopharmaceuticals, 5G technology, semiconductors, and new energy. The STAR Market currently has 340 listed securities. The STAR Market is seen as important for China’s high-tech and emerging industries, providing a space for smaller companies to raise capital in China. This is especially significant for technology companies that may be viewed with suspicion on overseas stock exchanges.

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