四、X射线衍射强度
四、X射线衍射强度 1
衍射强度 CsCl:Pm-3m bcc-Fe:Im-3m a=0.431nm a=0.287nm 2
00 CsCl:Pm-3m a=0.431nm 0 -10 10 20 0 60 70 80 00 100110120 190 140 10 10 170 180 1=1.9373A Csa(5m) Cbecrved ponlactions Inkbereiy 100 bcc-Fe:Im-3m a=0.287nm 30 30 0 50 60 20 80 90 100 t10 120 130 140 150 150 170 180 2-thete
Irbengsicy 1001 20 CsCl:Pm-3m a=0.431nm 10 0 0 20 40 50 60 70 90 100 1i0 120 190 140 190 160 170 180 2-thete =1.9373A Csa (5m) Ch:crved Rorloctins 100 bcc-Fe:Im-3m a=0.431nm 假设 -10 0 90 100 110 120 130 140 150 1s0 120 10 2-边e1a 4 Fe (Sim) Obeerved ReRections
衍射的类型 X-ray:scattered by electron Electron:scattered by electrostatic potential Neutron:scattered by nuclei Diffraction pattern of X-ray Diffraction pattern of electron beam passing through Al foil beam passing through Al foil
衍射的类型 • X-ray: scattered by electron • Electron: scattered by electrostatic potential • Neutron: scattered by nuclei 5