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Structures of two kinds of wide strands with different height formed on nonstoichiometric TiO 2-x (110) surfaces are discussed based on atom-resolved STM images. Bright strands, which form linked (1x2) structure with single links and cross-links, consist of double strands of Ti 2 O 3 added rows. A structural model of the linked (1x2) structure as well as its formation...
The surface topography of an MgO(100) surface after annealing at high temperatures followed by Ar+-ion sputtering was examined by non-contact atomic force microscopy (NC-AFM) and X- ray photoelectron spectroscopy (XPS). The calcium impurity (210ppm in the bulk) was segregated to the surface by annealing above 1200K and agglomerated as CaOx particles at monolayer or bilayer steps along the [011] direction...
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