晶体结构与错配度.doc

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1、类型形貌结构a/nmc/nm熔点/℃石墨六方晶系0.14210.33543652Si立方晶系0.1550.1551410FeSi2四方晶系0.98630.78331207SiO2立方晶系0.1550.1551723SiC立方、六方、菱形晶系0.3080.50272730NaCl面心立方801错配度物质原子结构晶格常数a/nm一维错配%二维错配度%熔点(℃)密度(g.cm-3)NbC0.45185VN13.85ZrC8.763770±1257.6[2]NbN0.44474VC14.84ZrN11.0225738.47TiC面心立方0.43783TiN16.97NbC13.2031404.

2、92TiN0.43055TiC18.94VN13.8529305.22VC面心立方0.42271NbN20.82NbN14.5730235.25～5.4VN0.41907NbC22.75VC14.8323606.13ZrC0.47496ZrN25.83TiC15.8938056.73[2]ZrN0.46318ZrC29.03TiN16.9629607.09晶格系数物质原子结构晶格常数a/nm晶格常数c/nm原子间距d/nmα-Fe体心立方0.286640.2482γ-Fe面心立方0.36810（916℃）0.2579（916℃）δ-Fe体心立方0.29315(2800°F)Al面心立方

3、0.407960.28683α-Ti密排六方0.295060.46788β-Ti体心立方0.33065（900℃）0.2863（900℃）V体心立方0.302320.2622Nb体心立方0.330070.2858