Interferometric time-resolved two-photon photoemission measurements are performed on Cs and Rb chemisorbed on Cu(111). The population decay of the alkali-atom-induced anti-bonding state at 35 K is observed on 50 fs and 20 fs time scales for Cs and Rb respectively. Factors that contribute to such unusually long lifetimes, and in general determine the lifetimes of adsorbates on metal surfaces, are discussed in light of related measurements by Bauer et ai. [Phys. Rev. B 60 (1999) 5016] and theoretical simulations by Borisov et al. [Surf. Sci. 430 (1999) 165]. (C) 2000 Elsevier Science B.V. All rights reserved.
机构:
Nagoya Univ, Sch Engn, Dept Crystalline Mat Sci, Chikusa Ku, Nagoya, Aichi 46401, JapanNagoya Univ, Sch Engn, Dept Crystalline Mat Sci, Chikusa Ku, Nagoya, Aichi 46401, Japan
Yuhara, J
Morita, K
论文数: 0引用数: 0
h-index: 0
机构:
Nagoya Univ, Sch Engn, Dept Crystalline Mat Sci, Chikusa Ku, Nagoya, Aichi 46401, JapanNagoya Univ, Sch Engn, Dept Crystalline Mat Sci, Chikusa Ku, Nagoya, Aichi 46401, Japan
机构:
Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Wang, Jianguang
Ma, Li
论文数: 0引用数: 0
h-index: 0
机构:
Dalian Univ Technol, Sch Phys & Optoelect Technol, State Key Lab Mat Modificat Laser Electron & Ion, Dalian 116024, Peoples R China
Dalian Univ Technol, Coll Adv Sci & Technol, Dalian 116024, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Ma, Li
Wang, Guanghou
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Wang, Guanghou
INTERNATIONAL JOURNAL OF MODERN PHYSICS B,
2008,
22
(21):
: 3619
-
3626