Rapid deterioration of metallic surfaces induced by intense ultraviolet radiation

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/52823

Title:	Rapid deterioration of metallic surfaces induced by intense ultraviolet radiation
Authors:	Luh,DA;Liu,KC;Cheng,CM;Tsuei,KD
Contributors:	物理學系
Date:	2010
Issue Date:	2012-06-11 10:46:15 (UTC+8)
Publisher:	國立中央大學
Abstract:	We report rapid deterioration of metallic surfaces on irradiation with ultraviolet light. Very fast degradation of the Shockley state of Cu(111) is observed during photoemission at low temperature. A different evolution of the Shockley states during annealing and cooling was also discovered. These observations seem to favor a mechanism based on photon-stimulated chemisorption of hydrogen on the surface. We suggest that this mechanism affects all experiments involving intense radiation and might become a major obstruction for future experiments with microfocused beams.
Relation:	PHYSICAL REVIEW B
Appears in Collections:	[Department of Physics] journal & Dissertation

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