Please give a brief explanation (1) Energy band (2) Hamiltonian operator (3) Tunnel effect (4) cohesive...

Please give a brief explanation

(1) Energy band

(2) Hamiltonian operator

(3) Tunnel effect

(4) cohesive energy

(5) How are the band structures of insulators and semiconductors similar? How are they different?

(6) Why are some solids transparent to visible light and other opaque?

(7) The forbidden band is 1.1 eV in silicon and 6 eV in diamond. To what wavelengths of light are these substances transparent? (nm)

Expert Solution

genius_generous answered 2 years ago

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