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Kronig Penney Applet
The Kronig Penney Applet provides solution for the electron
wave functions
and energies in the classic band structure model of an infinite
sequence of periodic rectacular potential barriers in one dimension.
This applet is useful in visualizing key features
of band structure.
- By beginning with a weak barrier potential where the energy is clearly
seen to be a parabola mapped into a reduced zone scheme. Increasing potential
strength increases the band gap.
- As energy and potential
are varied, energy selections in band gaps yield no wave functions.
- The Bloch function is plotted.
Start the
Kronig Penney Applet here.
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Michael A. Lee and Kevin E. Schmidt
July 1, 2000