Photoreflectance study of surface photovoltage effects at (100)GaAs surfaces/interfaces

We report a photoreflectance study of surface photovoltage (VS) effects on the determination of Fermi level pinning (VF) on (100) n‐GaAs in air and with W‐metal coverage (in situ) as a function of temperature (77 K

Keywords:

• Photovoltaic effect
• Photoconductivity
• Fermi level
• Surface photovoltage
• Optics
• Surface conductivity
• Chemistry
• Inorganic compound
• Analytical chemistry
• Molecular beam epitaxy
• light intensity
• Physics

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