二氧化钛相变的原位高温X射线衍射分析——介绍一个仪器分析拓展性实验

doi:10.3866/PKU.DXHX202209057

Abstract

Abstract:

An extended instrumental analysis experiment "In situ high-temperature X-ray diffraction study of titanium dioxide phase transformation" is recommended for undergraduates. In this experiment, the phase transformation of TiO₂ was carefully investigated using in situ high-temperature X-ray powder diffraction. The structural changes, including the composition, quantification, lattice constant, grain size, and lattice strains, were analyzed during the phase transformation process. Theoretical knowledge of the basic crystal material structure and a variety of X-ray diffraction analysis skills were combined with the experiments. It is useful for students to acquire knowledge on application, scientific research, and innovation.

Key words: Titanium dioxide, Phase transformation, In situ high-temperature, X-ray diffraction, Instrumental analysis experiment

Wanqun Zhang, Wei Shao, Kaiping Yang, Wanqun Hu. In Situ High-Temperature X-ray Diffraction Study of Titanium Dioxide Phase Transformation: An Extended Instrumental Analysis Experiment[J].University Chemistry, 2023, 38(8): 186-191.

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In Situ High-Temperature X-ray Diffraction Study of Titanium Dioxide Phase Transformation: An Extended Instrumental Analysis Experiment

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