2. We have a two-dimensional hexagonal lattice of lattice spacing a-3 A, and one electron per unit cell. If the electrons are considered free within the two-dimensional plane, what is the Fermi energy? (Provide a numerical value in eV.) 1/2+1/ Ef
2. We have a two-dimensional hexagonal lattice of lattice spacing a-3 A, and one electron per unit cell. If the electrons are considered free within the two-dimensional plane, what is the Fermi energy? (Provide a numerical value in eV.) 1/2+1/ Ef
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Transcribed Image Text:2. We have a two-dimensional hexagonal lattice of lattice spacing a-3 Å, and one electron per
unit cell. If the electrons are considered free within the two-dimensional plane, what is the Fermi
energy? (Provide a numerical value in eV.)
1/3524191/5
Ef
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