Auger-electron spectroscopy, electron-energy-loss spectroscopy, and x-ray photoemission spectroscopy studies of oxygen adsorption on the InP(111)-(1×1) surface

Auger-electron spectroscopy, electron-energy-loss spectroscopy, and x-ray photoemission spectroscopy measurements have been used to study oxygen adsorption on InP(111)-(1×1) surfaces and the initial stage of oxidation. It has been observed that oxygen is adsorbed on both surface In and P atoms on InP(111)-(1×1) surfaces at an oxygen exposure of ${10}^4$ L ${\mathrm{O}}_2$. (Here 1 L==${10}^{\mathrm{-}6}$ Torr sec.) The mechanism of adsorption and oxidation is briefly discussed.