Variable Stoichiometry Surface Reconstructions: New Models for GaAs(1¯1¯1¯) (2×2) and (√1¯9¯×√1¯9¯)

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Variable Stoichiometry Surface Reconstructions: New Models for GaAs(1¯1¯1¯) (2×2) and (√1¯9¯×√1¯9¯)

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Title: Variable Stoichiometry Surface Reconstructions: New Models for GaAs(1¯1¯1¯) (2×2) and (√1¯9¯×√1¯9¯)
Author: Pandey, K.C.; Joannopoulos, John D.; Bar-Yam, Yaneer; Kaxiras, Efthimios

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Citation: Kaxiras, Efthimios, Yaneer Bar-Yam, John D. Joannopoulos, and K.C. Pandey. 1986. Variable stoichiometry surface reconstructions: New models for GaAs(1¯1¯1¯) (2×2) and (√1¯9¯×√1¯9¯). Physical Review Letters 57, no. 1:106-109.
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Abstract: The (1¯ 1¯ 1¯) surface of GaAs exhibits three stable reconstructions. Two are (2×2), As stabilized and Ga stabilized respectively, and the third is \((\sqrt{19} \times \sqrt{19})\). Transitions between these structures are obtained by variation of the experimental conditions. We propose new models for all of the above reconstructions, based on ab initio total-energy calculations and experimental information regarding surface composition.
Published Version: http://dx.doi.org/10.1103/PhysRevLett.57.106
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10605456
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