粉末衍射卡片(Powder Diffraction File)是国际衍射数据中心(International Centre for Diffraction Data)编辑、发行的纯化合物X射线衍射数据库。 The Powder Diffraction File(PDF)粉末衍射卡片是研究物质以及晶体结构的重要工具。它包含已知晶体结构物相的标准数据，可以作为物质定性 ...

Despite the essential role crystal structure refinement plays in modern materials characterization, it remains a delicate manual undertaking involving trial-and-error ...

"Contains all the mineral data cards in the 1980 Mineral powder diffraction file, which were not published in Selected powder diffraction data for minerals, 1974." ...