Physics for Electronics Engineering: Unit I: Crystallography
Amorphous Materials
Definition, Types, Examples
Amorphous means without form. The materials in which atoms are arranged in an irregular (random) fashion are known as non-crystalline or amorphous materials.
AMORPHOUS
MATERIALS
Amorphous means without form.
The materials in which atoms are
arranged in an irregular (random) fashion are known as non-crystalline or
amorphous materials.
Example
- Glass,
rubber and plastics.
The arrangement of atoms in non-
crystalline materials in two dimensions is shown in fig. 1.2.
Difference between Crystalline and Non-Crystalline materials.
Crystallographic
terms
Let us understand some of the important
crystallographic terms.
Crystal
A crystal is a three-dimensional solid
which consists of a periodic arrangement of atoms.
Crystal
Structure
The arrangement of atoms in a crystal is
known as crystal structure. It is the basis for understanding the properties of
materials.
Crystallography
or Crystal physics
The branch of physics which deals with
the internal structure, properties, external or internal symmetries in a
crystal is known as crystallography or crystal physics.
Physics for Electronics Engineering: Unit I: Crystallography : Tag: : Definition, Types, Examples - Amorphous Materials
Physics for Electronics Engineering: Unit I: Crystallography
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Physics for Electronics Engineering
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