Recombination of hydroxyl phases on Ag(110): coexistence of long-range ordered domains of atomic oxygen and hydroxyl
作者： M. Canepa , L. Mattera , E. Narducci
DOI: 10.1016/S0039-6028(96)01093-X
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摘要: Abstract We report on the thermal evolution of OHAg(110) phase at coverage θ(OH) = 0.66. Combined information, provided by energy helium scattering and angle resolved ultraviolet photoemission spectroscopy, show that recombination OHγ, sub-state, in range 235–255 K produces a new consisting mosaic large ordered oxygen domains OHδ domains. The former present (2 × 1) geometric structure with AgO added rows aligned along 〈001〉 direction while latter (1 2) OHAg chains placed 〈110〉 direction. Further sub-state starting around 260 leading to final O(3 room temperature, proceeds through continuous rearrangement between OH disordered
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