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The surface chemistry of diethyl disulfide (DEDS) is studied on polished copper foils and a Cu(111) single crystal, using temperature-programmed desorption, reflection absorption infrared spectroscopy and X-ray photoelectron spectroscopy. A portion of the DEDS reacts to form ethyl thiolate species even at ~80K, where reaction is complete on heating to ~200K. The resulting thiolate species decompose...
The tribological chemistry of carbon dioxide and water vapor is studied on copper surfaces at high pressures, with a view to understand the gas-phase lubrication of copper–copper sliding contacts. The adsorption and film formation properties are studied on vapor-deposited copper films in an ultrahigh vacuum chamber using a quartz crystal microbalance. The nature of the reactively formed film is studied...
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