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Localized Energy States and Fermi Level

Rating: 4 stars
Used in Course: Not used in course
Submitted by: Chris Wolowiec (Student), Mar 26, 2001
Comment: This Physlet offers a clear and concise presentation of how electron
distribution depends on the two different parameters of temperature and Fermi
energy level. The user may interact with the physlet by varying temperature for
a given Fermi energy level and vice versa. By doing so the user may witness how
the two different parameters have different effects on the distribution of
electrons. The presentation, however, is somewhat stark in that it lacks
context. Specifically, it seems almost necessary in an introductory discussion
of Fermi statistics to briefly talk about the Boltzman and Bose-Einstein
distributions, how they describe the behavior of particles other than electrons
and how they compare with the electron distribution. In short this tutorial
provides a clear yet brief introduction to Fermi statistics and how it explains
the behavior of electrons in a solid.

Technical Remarks:

It takes about an hour to hit every page of this physlet and do some of the
calculations reqired in moving through the tutorial. A calculator at your side
will help with the calculations. There is also a page designated for a quiz,
however I could not find the quiz anywhere in the tutorial.