Abstract
We investigated various surface reconstructions of a GaAs(311)A surface by using first-principles calculations. The relative stability of the reconstructions was compared by estimating the formation energies taking into account of the chemical potentials of Ga and As. We found that the most stable reconstruction of the (311)A surface does not satisfy the electron counting model (ECM), although the ECM is a strong guiding principle for determining stable surface reconstructions of GaAs(100), (111)A, and (110) surfaces. Further investigations indicate that the sp2-like-bond formation effectively works at the (311)A surface. Competition between sp2-like-bond formation and As-dimer formation would explain why the ECM is not so effective at this surface.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
