Physical Review B
The energy dependence of the relaxation of photoexcited electrons in copper was measured using femtosecond time-resolved photoemission spectroscopy to within 0.3 eV above the Fermi level. By performing lifetime measurements under different surface conditions, several surface dynamical processes were investigated. In particular, an anomalous long lifetime feature, which cannot be explained with Fermi-liquid theory, was observed in the lifetime-energy curve. This feature was found originating from the photoexcitation of the strongly localized Cu 3d electrons. ©1997 American Physical Society
Original Publication Citation
Cao, J., Gao, Y., Miller, R. J. D., Elsayed-Ali, H. E., & Mantell, D. A. (1997). Femtosecond photoemission study of ultrafast electron dynamics on Cu(100). Physical Review B, 56(3), 1099-1102. doi:10.1103/PhysRevB.56.1099
Cao, J.; Gao, Y.; Miller, R. J. D.; Elsayed-Ali, Hani E.; and Mantell, D. A., "Femtosecond Photoemission Study of Ultrafast Electron Dynamics on Cu(100)" (1997). Electrical & Computer Engineering Faculty Publications. 119.