What is the minimum photon energy needed

Reference no: EM131320708

1. At a finite temperature, many electron-hole pairs are created due to the thermal vibration of the atomic cores. What is the minimum photon energy needed to release an electron from the silicon surface into vacuum?

2. How is the conduction band filled by the valence electrons? Use Cu and its (4s)¹ electron as an example. Compare this with Si or C(diamond) and show why Cu is such a good conductor while diamond is not.

Reference no: EM131320708

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