能带计算必备:简约布里渊区形状及特殊K点坐标,直观体现出空间构型高对称点:PointCartesiancoordinatesReciprocalcoordinates(unitsof2pi/a)(unitsofb1,b2,b3)------------------------------------------------------G(000)(000)X(001)(1/21/20)W(1/201)(1/23/41/4)K(3/43/40)(3/83/83/4)L(1/21/21/2)(1/21/21/2)SymbolDescriptionΓCenteroftheBrillouinzoneSimplecubeMCenterofanedgeRCornerpointXCenterofafaceFace-centeredcubicKMiddleofanedgejoiningtwohexagonalfacesLCenterofahexagonalfaceUMiddleofanedgejoiningahexagonalandasquarefaceWCornerpointXCenterofasquarefaceBody-centeredcubicHCornerpointjoiningfouredgesNCenterofafacePCornerpointjoiningthreeedgesHexagonalACenterofahexagonalfaceHCornerpointKMiddleofanedgejoiningtworectangularfacesLMiddleofanedgejoiningahexagonalandarectangularfaceMCenterofarectangularface