Rapid deterioration of metallic surfaces induced by intense ultraviolet radiation

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题名:	Rapid deterioration of metallic surfaces induced by intense ultraviolet radiation
作者:	Luh,DA;Liu,KC;Cheng,CM;Tsuei,KD
贡献者:	物理學系
日期:	2010
上传时间:	2012-06-11 10:46:15 (UTC+8)
出版者:	國立中央大學
摘要:	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.
關聯:	PHYSICAL REVIEW B
显示于类别:	[物理學系] 期刊論文

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