晶体相场方法被用于描述扩散时间尺度上的原子效应,在此基础上,Greenwood结合经典密度泛函理论,通过向自由能函数中引入一组两点相关函数,简化得到结构晶体相场方法.该方法可以用于研究多重组分合金材料的复杂微观结构.与经典密度泛函理论和一般晶体相场方法进行对比,详细论述了结构晶体相场模型的自由能函数以及两点相关函数.简要介绍了结构晶体相场方法在凝固过程、结构转变和复杂缺陷等方面的应用.
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