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材料的晶体结构是《材料化学》课程中的重要内容,是理解材料物理性质的基础。本文针对晶体结构的几何学描述理论体系,总结应用Diamond软件辅助课程教学,帮助学生理解复杂晶体结构的学习过程。具体以金红石型TiO_2和萤石CaF_2的结构为例,运用该软件分别构建它们的晶体结构,从帮助学生理解和掌握抽象晶体结构概念的角度出发,阐明学习和理解晶体结构的描述几何学原理相关参数的意义。
The crystal structure of a material is an important part of the “Chemistry of Materials” course and is the basis for understanding the physical properties of a material. In this paper, we describe the theoretical system of geometric description of crystal structure and summarize the application of Diamond software to assist students in understanding the learning process of complex crystal structure. Taking the structure of rutile TiO_2 and fluorite CaF_2 as an example, this software is used to construct their crystal structures respectively. From the perspective of helping students to understand and grasp the concept of abstract crystal structure, The meaning of the parameters.