As all real metals, GaAs has electrons distributed in a whole range of energy levels. If you
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Question:
As all real metals, GaAs has electrons distributed in a whole range of energy levels. If you used a GaAs PMT to measure 700 nm light, what is the minimum and maximum KE that you would expect for the electrons kicked off of the detectors surface (in eV)? How fast (in m/s) are these fastest electron traveling when they first get kicked out of the metal?
The work function to be 2.9 eV which corresponds to calcium.
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