interatomic spacing

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• Low-energy ion scattering — LEIS redirects here; for the Hawaiian garland see Lei (Hawaii). Low energy ion scattering spectroscopy (LEIS), sometimes referred to simply as ion scattering spectroscopy (ISS), is a surface sensitive analytical technique used to characterize the …   Wikipedia

• Helium atom scattering — (HAS) is a surface analysis technique used in materials science. HAS provides information about the surface structure and lattice dynamics of a material by measuring the diffracted atoms from a monochromatic helium beam incident on the sample.… …   Wikipedia

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• Bragg's law — In physics, Bragg s law is the result of experiments into the diffraction of X rays or neutrons off crystal surfaces at certain angles, derived by physicist Sir William Lawrence Bragg [ There are some sources, like the Academic American… …   Wikipedia

• Peierls Stress — is the force (first discovered by Rudolph Peierls and modified by Frank Nabarro) needed to move a dislocation within a plane of atoms in the unit cell. The magnitude varies periodically as the dislocation moves within the plane. Peierls stress… …   Wikipedia

• Burgers vector — The Burgers vector, often denoted by b, is a vector that represents the magnitude and direction of the lattice distortion of dislocation in a crystal lattice. [Callister, William D. Jr. Fundamentals of Materials Science and Engineering. John… …   Wikipedia

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• Amorphous carbon — is an allotrope of carbon that does not have any crystalline structure. As with all glassy materials, some short range order can be observed, but there is no long range pattern of atomic positions. Amorphous carbon is often abbreviated to aC for… …   Wikipedia