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Title: Direct time-domain observation of attosecond final-state lifetimes in photoemission from solids

Journal Article · · Science
 [1];  [1];  [2];  [3];  [2];  [1];  [1]
  1. Univ. of Colorado, Boulder, CO (United States). Dept. of Physics and JILA
  2. Univ. of Wisconsin, Madison, WI (United States). Dept. of Chemical and Biological Engineering
  3. National Inst. of Standards and Technology (NIST), Boulder, CO (United States)

Attosecond spectroscopic techniques have made it possible to measure differences in transport times for photoelectrons from localized core levels and delocalized valence bands in solids. Here, we report the application of attosecond pulse trains to directly and unambiguously measure the difference in lifetimes between photoelectrons born into free electron–like states and those excited into unoccupied excited states in the band structure of nickel (111). An enormous increase in lifetime of 212 ± 30 attoseconds occurs when the final state coincides with a short-lived excited state. Moreover, a strong dependence of this lifetime on emission angle is directly related to the final-state band dispersion as a function of electron transverse momentum. Our finding underscores the importance of the material band structure in determining photoelectron lifetimes and corresponding electron escape depths.

Research Organization:
Univ. of Wisconsin, Madison, WI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-05ER15731
OSTI ID:
1396169
Journal Information:
Science, Vol. 353, Issue 6294; ISSN 0036-8075
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 152 works
Citation information provided by
Web of Science

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Cited By (42)

Generation of sub-two-cycle millijoule infrared pulses in an optical parametric chirped-pulse amplifier and their application to soft x-ray absorption spectroscopy with high-flux high harmonics journal December 2017
Disentangling spectral phases of interfering autoionizing states from attosecond interferometric measurements journal January 2020
Ultrafast quantum control of ionization dynamics in krypton text January 2018
Semiclassical approach for solving the time-dependent Schrödinger equation in spatially inhomogeneous electromagnetic pulses journal January 2020
A time- and angle-resolved photoemission spectroscopy with probe photon energy up to 6.7 eV journal June 2019
High-flux ultrafast extreme-ultraviolet photoemission spectroscopy at 18.4 MHz pulse repetition rate journal January 2019
Attosecond temporal confinement of interband excitation by intraband motion journal January 2019
Colloidal crystal order and structure revealed by tabletop extreme ultraviolet scattering and coherent diffractive imaging journal January 2018
Measurement of sulfur L2,3 and carbon K edge XANES in a polythiophene film using a high harmonic supercontinuum journal October 2016
Attosecond Time Delay of Retrapped Resonant Ionization journal September 2018
Near- and Extended-Edge X-Ray-Absorption Fine-Structure Spectroscopy Using Ultrafast Coherent High-Order Harmonic Supercontinua text January 2018
Probing time delays and coherent imaging of multiphoton resonant ionization journal July 2018
Distinguishing attosecond electron–electron scattering and screening in transition metals journal June 2017
Angle-resolved photoemission spectroscopy and its application to topological materials journal August 2019
Extreme ultraviolet time- and angle-resolved photoemission setup with 21.5 meV resolution using high-order harmonic generation from a turn-key Yb:KGW amplifier journal January 2020
Ultrafast extreme ultraviolet photoemission without space charge journal January 2019
Roadmap of ultrafast x-ray atomic and molecular physics journal January 2018
Attosecond Pulse Shaping by Multilayer Mirrors journal December 2018
Energy-Resolved Ultrashort Delays of Photoelectron Emission Clocked by Orthogonal Two-Color Laser Fields journal April 2017
High-flux ultrafast extreme-ultraviolet photoemission spectroscopy at 18.4 MHz pulse repetition rate text January 2019
Diffraction and microscopy with attosecond electron pulse trains journal November 2017
Subcycle observation of lightwave-driven Dirac currents in a topological surface band journal September 2018
Roadmap of ultrafast x-ray atomic and molecular physics text January 2019
Recent advances in ultrafast X-ray sources
  • Schoenlein, Robert; Elsaesser, Thomas; Holldack, Karsten
  • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 377, Issue 2145 https://doi.org/10.1098/rsta.2018.0384
journal April 2019
Attosecond screening dynamics mediated by electron localization in transition metals journal August 2019
Influence of solvent additive on the chemical and electronic environment of wide bandgap perovskite thin films journal January 2018
Spatiotemporal analysis of a final-state shape resonance in interferometric photoemission from Cu(111) surfaces journal October 2019
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Roadmap of ultrafast x-ray atomic and molecular physics text January 2018
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Extreme Ultraviolet Time- and Angle-Resolved Photoemission Spectroscopy with 21.5 meV Resolution using High-Order Harmonic Generation from a Turn-Key Yb:KGW Amplifier text January 2019
A time- and angle-resolved photoemission spectroscopy with probe photon energy up to 6.7 eV text January 2020
Angle-resolved photoemission spectroscopy and its application to topological materials text January 2021
Photoemission and photoionization time delays and rates journal November 2017

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