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Tuesday, January 19, 2016

Band Theory video

This is just a very basic introduction into band theory, and conceptually how energy 'bands' form. The basic point is that this occurs when we have numerous atoms or molecules interacting with each other. The individual electron energy levels we are used to from the Bohr model (for a single atom) are perturbed and slightly shifted when in the presence of another atom, and with a bunch of atoms interacting, all these slight shifts begin to look like a continuum of energy rather than discrete, quantized energy levels. I hope this helps.

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