Suppression of localization in kronigpenney models with correlated. Derivation of the kronigpenney model the solution to schrodingers equation for the kronigpenney potential previously shown in figure 2. The possible states that the electron can occupy are determined by the schrodinger equation, in the case of the kroningpenney model, the potential vx is a periodic square wave. What is the origin of band structure and band diagram. Modelo kronig penney pres configuracion electronica electron. An analysis of twodimensional 2d effects in the nonlinear kronigpenney model is presented. This model has been successfully applied in many fields of physics, such as band structure and electron dynamics in. January 25, 2012 the kronigpenney model describes electron motion in a period array of rectangular barriers fig. Explain the meaning and origin of forbidden band gaps begin to understand the brillouin zone. The kronigpenney model solid state physics electronic. The first assumption is to consider a row of evenly spaced atoms with average distance a. This model is called kronig penney model of potentials. A virtue of this model is that it is possible to analytically determine the.
In the kronigpenney model, the electron wavefunctions have a freeparticle form in the interval between the atoms. A lecture note on blochs theorem and kronigpenney model. Sir this is kodirekka uma shankar physics faculty at marvel degree college khammam, telangana it is very useful to me if u dont. Although the kronigpenney model is discussed in a number of solidstate physics texts 2. In the case of the kroningpenney model, the potential vx is a periodic square wave.
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