Femtosecond time-resolved MeV electron diffraction
dc.bibliographicCitation.issue | 6 | eng |
dc.bibliographicCitation.volume | 17 | |
dc.contributor.author | Zhu, Pengfei | |
dc.contributor.author | Zhu, Y. | |
dc.contributor.author | Hidaka, Y. | |
dc.contributor.author | Wu, L. | |
dc.contributor.author | Cao, J. | |
dc.contributor.author | Berger, H. | |
dc.contributor.author | Geck, J. | |
dc.contributor.author | Kraus, R. | |
dc.contributor.author | Pjerov, S. | |
dc.contributor.author | Shen, Y. | |
dc.contributor.author | Tobey, R.I. | |
dc.contributor.author | Hill, J.P. | |
dc.contributor.author | Wang, X.J. | |
dc.date.accessioned | 2018-06-11T16:43:53Z | |
dc.date.available | 2019-06-28T12:39:54Z | |
dc.date.issued | 2015 | |
dc.description.abstract | We report the experimental demonstration of femtosecond electron diffraction using high-brightness MeV electron beams. High-quality, single-shot electron diffraction patterns for both polycrystalline aluminum and single-crystal 1T-TaS2 are obtained utilizing a 5 fC (~3 × 104 electrons) pulse of electrons at 2.8 MeV. The high quality of the electron diffraction patterns confirms that electron beam has a normalized emittance of ~50 nm rad. The transverse and longitudinal coherence length is ~11 and ~2.5 nm, respectively. The timing jitter between the pump laser and probe electron beam was found to be ~100 fs (rms). The temporal resolution is demonstrated by observing the evolution of Bragg and superlattice peaks of 1T-TaS2 following an 800 nm optical pump and was found to be 130 fs. Our results demonstrate the advantages of MeV electrons, including large elastic differential scattering cross-section and access to high-order reflections, and the feasibility of ultimately realizing below 10 fs time-resolved electron diffraction. | eng |
dc.description.version | publishedVersion | eng |
dc.format | application/pdf | |
dc.identifier.uri | https://doi.org/10.34657/1498 | |
dc.identifier.uri | https://oa.tib.eu/renate/handle/123456789/4359 | |
dc.language.iso | eng | eng |
dc.publisher | Milton Park : Taylor & Francis | eng |
dc.relation.doi | https://doi.org/10.1088/1367-2630/17/6/063004 | |
dc.relation.ispartofseries | New Journal of Physics, Volume 17, Issue 6 | eng |
dc.rights.license | CC BY 3.0 Unported | eng |
dc.rights.uri | https://creativecommons.org/licenses/by/3.0/ | eng |
dc.subject | Ultrafast electron diffraction | eng |
dc.subject | high-brightness electron beam | eng |
dc.subject | coherent length | eng |
dc.subject | ultrafast electron imaging | eng |
dc.subject.ddc | 530 | eng |
dc.title | Femtosecond time-resolved MeV electron diffraction | eng |
dc.type | article | eng |
dc.type | Text | eng |
dcterms.bibliographicCitation.journalTitle | New Journal of Physics | eng |
tib.accessRights | openAccess | eng |
wgl.contributor | IFWD | eng |
wgl.subject | Physik | eng |
wgl.type | Zeitschriftenartikel | eng |
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