Abstract Twin nucleation is an important phenomenon in the directional solidification of photovoltaic multi-crystalline silicon. Unfortunately, the models proposed so far were not sufficient to explain the small undercooling (

中文翻译：

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多晶硅定向凝固过程中孪晶的多层形核模型

摘要 双核是光伏多晶硅定向凝固过程中的一个重要现象。不幸的是，迄今为止提出的模型不足以解释小的过冷度（