r-AL2O3的PDF卡片数据Card Information Names: gamma-Aluminum Oxide gamma-Al2 O3\ Formula: Al2 O3 PDF Number: 50-741 Quality: indexed Subfiles: inorganic alloy COR Cell and Symmetry Information System: cubic Space Group: Fd-3m (no. 227) a: 7.939 Z: 11 Instrument Information Radiation: ...