Experimental methods for determining crystal structure: Difference between revisions
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Because electrons do have a wave nature, they can also be scattered off atoms in a crystal lattice, this process is similar to X-ray scattering. Some differences are that | Because electrons do have a wave nature, they can also be scattered off atoms in a crystal lattice, this process is similar to X-ray scattering. Some differences are that | ||
#Electrons used in this way have a smaller wavelength than X-rays, this allows for greater resolution. | #Electrons used in this way have a smaller wavelength than X-rays, this allows for greater resolution. | ||
==Neutron diffraction== | |||
Similar to electron and X-ray diffraction, neutrons with wavelength ~0.1nm are used to scatter off atomic centers in a crystal to create a pattern from which its atomic structure can be derived. | |||
Revision as of 21:26, 16 April 2009
X-ray scattering
X-rays are scattered off the periodically arranged atoms, the particular ways the X-rays scatter give information about the location of atoms in the crystal lattice.
Electron scattering
Because electrons do have a wave nature, they can also be scattered off atoms in a crystal lattice, this process is similar to X-ray scattering. Some differences are that
- Electrons used in this way have a smaller wavelength than X-rays, this allows for greater resolution.
Neutron diffraction
Similar to electron and X-ray diffraction, neutrons with wavelength ~0.1nm are used to scatter off atomic centers in a crystal to create a pattern from which its atomic structure can be derived.