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The surface relaxation and rumpling of TiO 2 -terminated SrTiO 3 (001) were determined by medium energy ion scattering (MEIS). A new toroidal electrostatic analyzer with high energy resolution (ΔE/E=1×10 −3 ) allows direct determination of the displacements of surface atoms by a simple triangulation method using the ion shadowing effect. The TiO 2 -terminated surface...
The structure change of TiO 2 -terminated SrTiO 3 (STO)(001) surfaces after annealing in an O 2 atmosphere and ultrahigh vacuum (UHV) was studied by ultraviolet photoelectron spectroscopy (UPS), reflection high energy electron diffraction (RHEED) and medium energy ion scattering (MEIS). The TiO 2 -terminated SrTiO 3 (001) surfaces were prepared by chemical treatment...
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