SURFACE PLASMON OF Ag CLUSTERS ON ALUMINA FILMS

中国物理B ›› 2001, Vol. 10 ›› Issue (13): 80-83.

SURFACE PLASMON OF Ag CLUSTERS ON ALUMINA FILMS

D. W. Goodman¹, 郭沁林²

(1)Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, TX 77842-3012, USA; (2)State Key Laboratory for Surface Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China

收稿日期:2001-01-01 修回日期:2001-04-18 出版日期:2001-12-25 发布日期:2005-07-07
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 10074079) and by US Department of Energy, Office of Basic Sciences, Division of Chemical Sciences, the Robert A. Welch Foundation.

SURFACE PLASMON OF Ag CLUSTERS ON ALUMINA FILMS

Guo Qin-lin (郭沁林)^a, D. W. Goodman^b

^a State Key Laboratory for Surface Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; ^b Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, TX 77842-3012, USA

Received:2001-01-01 Revised:2001-04-18 Online:2001-12-25 Published:2005-07-07
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 10074079) and by US Department of Energy, Office of Basic Sciences, Division of Chemical Sciences, the Robert A. Welch Foundation.

摘要/Abstract

摘要： The deposition of silver on an ordered alumina film prepared on Re(0001) surface has been studied by Auger electron spectroscopy (AES), low energy electron diffraction (LEED) and high resolution electron energy loss spectroscopy (HREELS). The results show that Ag grows initially as clusters at 90K and 300K. A red shift of the Ag surface plasmon as a function of decreasing coverage is observed, which is related to the cluster size effect. A surface plasmon characteristic of metallic Ag appears at coverages higher than 2.8 monolayer equivalent.

Abstract: The deposition of silver on an ordered alumina film prepared on Re(0001) surface has been studied by Auger electron spectroscopy (AES), low energy electron diffraction (LEED) and high resolution electron energy loss spectroscopy (HREELS). The results show that Ag grows initially as clusters at 90K and 300K. A red shift of the Ag surface plasmon as a function of decreasing coverage is observed, which is related to the cluster size effect. A surface plasmon characteristic of metallic Ag appears at coverages higher than 2.8 monolayer equivalent.

Key words: surface plasmon, nano-scale Ag clusters, particle size effect

中图分类号:

6146

郭沁林, D. W. Goodman. SURFACE PLASMON OF Ag CLUSTERS ON ALUMINA FILMS[J]. 中国物理B, 2001, 10(13): 80-83.

Guo Qin-lin (郭沁林), D. W. Goodman. SURFACE PLASMON OF Ag CLUSTERS ON ALUMINA FILMS[J]. Chinese Physics, 2001, 10(13): 80-83.

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SURFACE PLASMON OF Ag CLUSTERS ON ALUMINA FILMS

SURFACE PLASMON OF Ag CLUSTERS ON ALUMINA FILMS

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