MODEL OF ELECTRICAL CONDUCTIVITY OF METALS

Abstract

Named the most important phenomena observed in metals. Reviewed the distribution of electrons in a typical metal in the space pulses with the use of statistics, Fermi-Dirac. Shows the change in this distribution in an external electric field corresponding to the electric current flow. The notion of mobility and drift velocity of the ensemble of free electrons and shows their relationship with the macroscopic parameters. Examined the conduction band of the metal and its filled with electrons, indicating on it the average energy and the Fermi energy. The estimation of the speed of the random motion of conduction electrons and its influence on electrical conductivity of metals and the electron mobility.