The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Ultrafast electron microscopy in materials science, biology, and chemistry
Abstract
The use of pump-probe experiments to study complex transient events has been an area of significant interest in materials science, biology, and chemistry. While the emphasis has been on laser pump with laser probe and laser pump with x-ray probe experiments, there is a significant and growing interest in using electrons as probes. Early experiments used electrons for gas-phase diffraction of photostimulated chemical reactions. More recently, scientists are beginning to explore phenomena in the solid state such as phase transformations, twinning, solid-state chemical reactions, radiation damage, and shock propagation. This review focuses on the emerging area of ultrafast electron microscopy (UEM), which comprises ultrafast electron diffraction (UED) and dynamic transmission electron microscopy (DTEM). The topics that are treated include the following: (1) The physics of electrons as an ultrafast probe. This encompasses the propagation dynamics of the electrons (space-charge effect, Child’s law, Boersch effect) and extends to relativistic effects. (2) The anatomy of UED and DTEM instruments. This includes discussions of the photoactivated electron gun (also known as photogun or photoelectron gun) at conventional energies (60–200 keV) and extends to MeV beams generated by rf guns. Another critical aspect of the systems is the electron detector. Charge-coupled device cameras and microchannel-plate-based cameras are compared and contrasted. The effect of various physical phenomena on detective quantum efficiency is discussed. (3) Practical aspects of operation. This includes determination of time zero, measurement of pulse-length, and strategies for pulse compression. (4) Current and potential applications in materials science, biology, and chemistry. UEM has the potential to make a significant impact in future science and technology. Understanding of reaction pathways of complex transient phenomena in materials science, biology, and chemistry will provide fundamental knowledge for discovery-class science.
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Cites
Tajima, T., & Dawson, J. M. (1979) · Physical Review Letters · doi:10.1103/physrevlett.43.267 · Cited by 4,705
A laser–plasma accelerator producing monoenergetic electron beams
Faure, J., Glinec, Y., Pukhov, A., Kiselev, S., Gordienko, S., Lefebvre, E., Rousseau, J.-P., Burgy, F., & Malka, V. (2004) · Nature · doi:10.1038/nature02963 · Cited by 2,129
Potential for biomolecular imaging with femtosecond X-ray pulses
Neutze, R., Wouts, R., van der Spoel, D., Weckert, E., & Hajdu, J. (2000) · Nature · doi:10.1038/35021099 · Cited by 2,022
High-quality electron beams from a laser wakefield accelerator using plasma-channel guiding
Geddes, C. G. R., Toth, C., van Tilborg, J., Esarey, E., Schroeder, C. B., Bruhwiler, D., Nieter, C., Cary, J., & Leemans, W. P. (2004) · Nature · doi:10.1038/nature02900 · Cited by 2,001
Monoenergetic beams of relativistic electrons from intense laser–plasma interactions
Mangles, S. P. D., Murphy, C. D., Najmudin, Z., Thomas, A. G. R., Collier, J. L., Dangor, A. E., Divall, E. J., Foster, P. S., Gallacher, J. G., Hooker, C. J., et al. (2004) · Nature · doi:10.1038/nature02939 · Cited by 1,977
Cited by
Field Emission Tip as a Nanometer Source of Free Electron Femtosecond Pulses
Hommelhoff, P., Sortais, Y., Aghajani-Talesh, A., & Kasevich, M. A. (2006) · Physical Review Letters · doi:10.1103/physrevlett.96.077401 · Cited by 499
Femtosecond Crystallography with Ultrabright Electrons and X-rays: Capturing Chemistry in Action
Miller, R. J. D. (2014) · Science · doi:10.1126/science.1248488 · Cited by 316
Metadata
- Authors
- King, W. E., Campbell, G. H., Frank, A., Reed, B., Schmerge, J. F., Siwick, B. J., Stuart, B. C., & Weber, P. M.
- Venue
- Journal of Applied Physics
- Publisher
- AIP Publishing
- Published
- 2005-06-01
- Volume
- 97
- Issue
- 11
- ISSN
- 0021-8979 (ISSN-L)
- 1089-7550
- OpenAlex
- W1997172612
- Cited by
- 345
- References
- 5
- FWCI
- 13.35
- Type
- journal article
- Language
- en
- Open access
- closed
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- King, W. E., Campbell, G. H., Frank, A., Reed, B., Schmerge, J. F., Siwick, B. J., Stuart, B. C., & Weber, P. M. (2005). Ultrafast electron microscopy in materials science, biology, and chemistry. Journal of Applied Physics. https://doi.org/10.1063/1.1927699
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