1992
DOI: 10.1103/physrevlett.69.486
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Atomic structure of Al-GaAs(110) interfaces

Abstract: Atomic structures of Al on GaAsO 10) are studied by ab initio molecular dynamics for coverages of j to 1 monolayer (ML). A single chemisorbed Al atom resides at the center of a triangle of one Ga and two As atoms. Al dimers have very long bond lengths and bind due to substrate-mediated interactions. Epitaxial growth of 1 ML of Al is less stable than the formation of islands. Preformed clusters bond strongly to the substrate, which shows that the absence of Fermi-level pinning in samples grown by cluster deposi… Show more

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Cited by 33 publications
(53 citation statements)
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“…3(h)). As the d xy band heavily renormalizes compared to the d xz /d yz bands, it is shallower and hardly resolved with weaker intensity [28]. In Cut#1 (Fig.…”
Section: (D)mentioning
confidence: 99%
“…3(h)). As the d xy band heavily renormalizes compared to the d xz /d yz bands, it is shallower and hardly resolved with weaker intensity [28]. In Cut#1 (Fig.…”
Section: (D)mentioning
confidence: 99%
“…in KFe 2 As 2 [40]. As the Coulomb repulsion strength grows, this has been suggested to eventually result in an orbital-selective Mott transition 41 , observed in alkaline iron selenides 42,43 .…”
Section: Introductionmentioning
confidence: 99%
“…To get a unified understanding on the correlation effects in Fe-based superconductors, it is crucial to experimentally explore the orbital selective Mott phase and to resolve its characteristics in the electronic structure. [20,21]. Nevertheless, in these materials, the d xy bands are rather weak or nearly degenerate with other bands near the Fermi energy (E F ), which complicates the analysis on the spectral weight evolution of different orbitals.…”
Section: Introductionmentioning
confidence: 99%
“…Nevertheless, in these materials, the d xy bands are rather weak or nearly degenerate with other bands near the Fermi energy (E F ), which complicates the analysis on the spectral weight evolution of different orbitals. The previous analysis was based on the temperature dependent evolution in the energy distribution curves (EDCs), where the spectral weight of d xy bands diminishes at high temperatures, which cannot be explained by the thermal broadening effect [20,21]. However, anomalous temperature dependent evolution beyond thermal broadening is common in the EDCs of strongly correlated systems [22], which would interfere the temperature dependence of an individual band.…”
Section: Introductionmentioning
confidence: 99%