Polarization spectra of optical transitions at a clean GaAs (110) surface
Berkovits V. L., Ivantsov L. F., Kiselev V. A., Makarenko I. V., Minashvili T. A., Safarov V. I.
The polarization of optical transitions at a clean GaAs (110) surface has been measured at 300 and 1.8 К for the first time. Two transitions, with energies of 2.62 and 2.83 eV, involving surface states occur. Lines at 3.04 and 3.27 eV correspond to Ex and Ex + Aj volume transitions.