Question

What is dislocation defect? Discuss its role in the crystal growth.

06 Sep 2025
Answer :
Word Count : 275
Dislocation defects are one of the most important types of crystallographic defects in materials science. They are line defects within a crystal lattice where the regular arrangement of atoms is disrupted along a line. Dislocations can be broadly classified into two types: edge dislocations and screw dislocations. In an edge dislocation, an extra half-plane of _______ _______ ___ ______ ___ _____ ______ ____ _____ ____ _________ ________.
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