The process requires the addition or removal of atoms from the extra half plane of the dislocation by diffusion processes. Climb is therefore favored at high temperatures where point defects are ...

Dislocations are one-dimensional defects that occur in real crystalline solids and control their plastic deformation. The presence of dislocations permits atomic planes to slip "one atomic row at a ...

Dislocations are defects in the crystal structure of important engineering materials, such as metals, ceramics and semi-conductors, that strongly influence the properties of these materials. Research ...

This is a close-up view of an edge dislocation defect in a cement crystal simulation by scientists at Rice University. They analyzed the crystalline structure of calcium silicates used in cement ...

Today's state-of-the-art, as well as tomorrow’s tools, are discussed: the supercell-pseudopotential method, the GW formalism,Quantum Monte Carlo, learn-on-the-fly molecular dynamics, ...

Vacancies can form when bubbles coalesce around an open area. More commonly a vacancy forms when a bubble pops. One-dimensional defects are also observed in the bubble raft model. Dislocations fall ...