Question: Find the equilibrium ionic separation in LiF. 25. Find the wavelength of light emitted by a gallium phosphide (GaP) light-emitting diode. (See Table 37.1.) Table

Find the equilibrium ionic separation in LiF. 25. Find the wavelength of light emitted by a gallium phosphide (GaP) light-emitting diode. (See Table 37.1.)

Table 37.1 Band-Gap Energies for Selected Semiconductors (at 300 K) Semiconductor Band-Gap

Table 37.1 Band-Gap Energies for Selected Semiconductors (at 300 K) Semiconductor Band-Gap Energy (eV) Si 1.14 Ge 0.67 InAs 0.35 InP 1.35 GaP 2.26 GaAs 1.43 Cds 2.42 CdSe 1.74 ZnO 3.2 ZnS 3.6

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