Mobility of oxygen on the (110) plane of tungsten
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High-temperature oxygen monolayer structures on W(110) revisited
2020, Applied Surface ScienceCitation Excerpt :This simple system of a single oxygen monolayer chemisorbed on the tungsten surface and ordered at high temperatures has been investigated extensively for many years [3–14] as a special case of oxygen adsorption on metal surfaces. In parallel, oxygen adsorbed on W(1 1 0) with different sub-monolayer and monolayer coverages posed a model system for investigation of various aspects of adsorption-related phenomena, such as surface diffusion [15–21], kinetics of ordering 2D systems [22–24], interactions between adsorbed particles [25,26], surface phase transitions [27–32], structure of adsorption phases, [1,3,4,33], adsorption geometry [4,34], electronic [5,7,24,35] and vibrational [36,37] properties, surface stress [38–40], or the role of steps [41–43]. More recently, tungsten-oxide surfaces have attracted further interest as they can be readily utilized in electro-optical and semiconductor devices as catalysts or as gas sensors [44].
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