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The 16 pages that link to Work function, each with the reason it gives.

• Photoelectric effectRelated: It sets the minimum photon energy required for electron emission.

• Fermi levelRelated: It connects the Fermi level to vacuum energy and helps predict contact alignment.

• Thermionic emissionRelated: It sets the energy barrier that heating must overcome for electrons to escape.

• Scanning tunneling microscopeRelated: It influences how readily electrons tunnel across the tip–surface gap.

• Photoelectron spectroscopyRelated: It sets the energy reference for electrons emitted from a solid.

• Electron gunRelated: It helps determine how readily a cathode can emit electrons.

• Schottky diodeRelated: The metal and semiconductor work functions help determine the junction’s barrier and built-in potential.

• Philipp LenardRelated: It helps explain why Lenard found that light frequency determines whether electrons are emitted.

• Absolute electrode potentialRelated: It provides a vacuum-referenced measure of electron energy in electrode materials.

• Metal–semiconductor junctionRelated: The metal work function enters ideal estimates of the junction barrier.

• ElectrideRelated: Electride surfaces can have unusually low work functions because their electrons are weakly bound.

• Owen RichardsonRelated: This surface-energy barrier helps determine the thermionic current described by Richardson’s law.

• PhototubeRelated: It helps determine which photon wavelengths can release electrons from the photocathode.