Day: December 20, 2020
Fermi-Dirac distribution
Fermi-Dirac distribution The Fermi-Dirac distribution applies to fermions, particles with half-integer spin which must obey the Pauli exclusion principle. Each type of distribution function has a normalization term multiplying the exponential in the denominator which may…
Formation of bands in Solids
The band theory of solids The band theory of solids is different from the others because the atoms are arranged very close to each other such that the energy levels…
Classification of solids on band theory
Classification of solids on band theory Solids can be classified under following categories based on band theory: Conductors: Metals are conductors in which there is no forbidden energy gap between…
Free electron Theory
Introduction: In solids, electrons in outer most orbits of atoms determine its electrical properties. Electron theory is applicable to all solids, both metals and non metals. In addition, it explains…