Crystallography line defect

How are line defects formed?
Line defects (also called dislocations) are formed as a result of stresses that the minerals undergo during deformation..
Types of point defects in crystals
An edge dislocation is a defect where an extra half-plane of atoms is introduced mid way through the crystal, distorting nearby planes of atoms..
Types of point defects in crystals
Line defects weakens the structure along a one-dimensional space, and the defects type and density affects the mechanical properties of the solids.
Thus, formation and study of dislocations are particularly important for structural materials such as metals..
What are the defects in crystallography?
Defects or Imperfections in crystalline solid can be divided into four groups namely line defects, point defects, volume defects and surface defects.
Historically, crystal point defects were first regarded in ionic crystals, not in metal crystals that were much simpler..
What is a line imperfection in a crystal?
Any deviation from perfectly periodic arrangement of atoms along a line is called the line imperfection.
A line defect is a lattice distortion created about a line formed by the solidification process, plastic deformation, vacancy condensation or atomic mismatch in solid solutions..
What is defect in crystal lattice?
Lattice defects are missing atoms (vacancies) or atom clusters and lattice misalignments such as dislocations.
Voids are internal pores that do not connect to a free surface of the material and thus do not contribute to the surface area but do affect film properties such as density..

definition. Line defects, or dislocations, are lines along which whole rows of atoms in a solid are arranged anomalously. The resulting irregularity in spacing is most severe along a line called the line of dislocation. Line defects can weaken or strengthen solids.

Line defects, or dislocations, are lines along which whole rows of atoms in a solid are arranged anomalously. The resulting irregularity in spacing is most severe along a line called the line of dislocation. Line defects can weaken or strengthen solids.

Point defects

Point defects are defects that occur only at or around a single lattice point. They are not extended in space in any dimension

Line defects

Line defects can be described by gauge theories. Dislocations are linear defects

Planar defects

• Grain boundaries occur where the crystallographic direction of the lattice abruptly changes

Bulk defects

• Three-dimensional macroscopic or bulk defects, such as pores, cracks

Mathematical classification methods

A successful mathematical classification method for physical lattice defects

What is a crystalline defect?

Crystal defect, imperfection in the regular geometrical arrangement of the atoms in a crystalline solid

Located at single points, along lines, or on whole surfaces in the solid, these defects influence its mechanical, electrical, and optical behavior

What is a dislocation in crystallography?

A dislocation is a crystal defect; it is referred to as a line defect

Hence, a sound understanding of crystallography and crystal defects ( e

g dislocations) is of paramount importance in explaining the deformation of solids

What is a line defect in chemistry?

Line defects, or dislocations, are lines along which whole rows of atoms in a solid are arranged anomalously

The resulting irregularity in spacing is most severe along a line called the line of dislocation

Line defects can weaken or strengthen solids

…a dislocation, which is a line defect that may run the length of the crystal

In crystal defect Line defects, or dislocations, are lines along which whole rows of atoms in a solid are arranged anomalously. The resulting irregularity in spacing is most severe along a line called the line of dislocation. Line defects can weaken or strengthen solids.

Crystallography line defect

How are line defects formed?

Types of point defects in crystals