Tracking the relaxation pathway of photo-excited electrons in 1T-TiSe2
作者： G. Rohde , T. Rohwer , C. Sohrt , A. Stange , S. Hellmann
DOI: 10.1140/EPJST/E2013-01901-5
关键词: Photoemission spectroscopy 、 Relaxation (physics) 、 Atomic physics 、 Position and momentum space 、 Excited state 、 Ultrashort pulse 、 Absorption (electromagnetic radiation) 、 Femtosecond 、 Materials science 、 Excitation 、 Physical and Theoretical Chemistry 、 General Physics and Astronomy 、 General Materials Science
摘要: The ultrafast dynamics of excited electrons in 1T-TiSe2 after absorption a 390 nm light pulse is probed by time- and angle-resolved photoemission spectroscopy using femtosecond XUV pulses. It demonstrated that the experimental approach can provide comprehensive view hot carrier motion momentum space during relaxation back to equilibrium. This capability opens new avenue investigation energy dissipation processes solids intense optical excitation.
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