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Structure of Rutile TiO2 (110)−(1×2): Formation of Ti2O3 Quasi-1D Metallic Chains

AuthorsBlanco-Rey, María; Abad, José; Rogero, Celia CSIC ORCID CVN; Méndez, Javier CSIC ORCID; López, María Francisca ; Martín-Gago, José A. CSIC ORCID ; Andrés, Pedro L. de CSIC ORCID
Issue Date6-Feb-2006
PublisherAmerican Physical Society
CitationPhysical Review Letters 96(5): 055502 (2006)
AbstractCombining STM, LEED, and density functional theory, we determine the atomic surface structure of rutile TiO2 (110)-(1 x 2): nonstoichiometric Ti2O3 stripes along the [001] direction. LEED patterns are sharp and free of streaks, while STM images show monatomic steps, wide terraces, and no cross-links. At room temperature, atoms in the Ti2O3 group have large amplitudes of vibration. The long quasi-1D chains display metallic character, show no interaction between them, and cannot couple to bulk or surface states in the gap region, forming good atomic wires.
Publisher version (URL)https://doi.org/10.1103/PhysRevLett.96.055502
Appears in Collections:(ICMM) Artículos
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