Can I know about free electron theory?
Career Talk Work & Career 2 years ago
Posted on 16 Aug 2022, this text provides information on Work & Career related to Career Talk. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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Best Answer
2 years ago
In solid-state physics, the free electron model is a simple model for the behaviour of valence electrons in a crystal structure of a metallic solid. It was developed principally by Arnold Sommerfeld who combined the classical Drude model with quantum mechanical Fermi-Dirac statistics and hence it is also known as the DrudeSommerfeld model. The free electron empty lattice approximation forms the basis of the band structure model known as nearly free electron model. Given its simplicity, it is surprisingly successful in explaining many experimental phenomena, especially The WiedemannFranz law which relates electrical conductivity and thermal conductivity; The temperature dependence of the electron heat capacity; The shape of the electronic density of states; The range of binding energy values; Electrical conductivities; Thermal electron emission and field electron emission from bulk metals.