Sample Powder X-ray Diffraction data of CeMg3

This sample Powder X-ray Diffraction data of CeMg3 is used for FullProf tutorial https://fullprof.readthedocs.io/ The data file contains 2theta vs intensity data in two column plaintext (.x_y) format.CeMg3的粉末X射线衍射（Powder X-ray Diffraction）样本数据用于FullProf教程（https://fullprof.readthedocs.io/）。该数据文件包含两列纯文本（.x_y格式）的2θ与强度数据。