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Solid State Physics Consider a one-dimensional (1-D) atomic lattice with an interatomic spacing of 5 angstroms...

Solid State Physics

Consider a one-dimensional (1-D) atomic lattice with an interatomic spacing of 5 angstroms (Å). Each atomic site can be represented by a rectangular-shaped potential well of 1 eV depth and width of 1 angstrom (Å). Estimate the following parameter: The lowest energy (in eV) at which an electron starts to behave as a hole.

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