Physics:Quantum materials/band structure: Difference between revisions

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{{Short description|Energy structure of electrons in a solid}}
{{Short description|Energy structure of electrons in a solid}}


{{Quantum matter backlink|Materials}}


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[[File:Band structure.jpg|430px|Electronic band structure determines whether a material behaves as a conductor, semiconductor, or insulator.]]
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'''Band structure''' describes the allowed energy levels of [[Physics:Quantum atoms/electron|electrons]] in a solid material. Instead of discrete [[Physics:Quantum atoms/energy level|energy levels]], electrons occupy continuous ranges of energies called bands.
'''Band structure''' describes the allowed energy levels of [[Physics:Quantum atoms/electron|electrons]] in a solid material. Instead of discrete [[Physics:Quantum atoms/energy level|energy levels]], electrons occupy continuous ranges of energies called bands.
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<div style="font-size:90%;">Electronic band structure determines whether a material behaves as a conductor, semiconductor, or insulator.</div>
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== Description ==
== Description ==

Revision as of 11:01, 17 May 2026



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Band structure describes the allowed energy levels of electrons in a solid material. Instead of discrete energy levels, electrons occupy continuous ranges of energies called bands.


Description

In a crystal lattice, the interaction between atoms causes individual electron energy levels to broaden into bands. Between these bands, there may be gaps where no electron states exist.

The arrangement of bands and gaps determines the electrical and optical properties of the material.

Properties

  • continuous energy bands
  • presence of band gaps
  • determines conductivity

See also

Table of contents (84 articles)

Index

Full contents

References


Author: Harold Foppele


Source attribution: Physics:Quantum materials/band structure

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