Transient lattice contraction in the solid-to-plasma transition

Ken R. Ferguson; Maximilian Bucher; Tais Gorkhover; Sébastien Boutet; Hironobu Fukuzawa; Jason E. Koglin; Yoshiaki Kumagai; Alberto Lutman; Agostino Marinelli; Marc Messerschmidt; Kiyonobu Nagaya; Jim Turner; Kiyoshi Ueda; Garth J. Williams; Philip H. Bucksbaum; Christoph Bostedt

doi:10.1126/sciadv.1500837

Transient lattice contraction in the solid-to-plasma transition

Ken R. Ferguson, Maximilian Bucher, Tais Gorkhover, Sébastien Boutet, Hironobu Fukuzawa, Jason E. Koglin, Yoshiaki Kumagai, Alberto Lutman, Agostino Marinelli, Marc Messerschmidt, Kiyonobu Nagaya, Jim Turner, Kiyoshi Ueda, Garth J. Williams, Philip H. Bucksbaum, Christoph Bostedt

Division of Measurements

Research output: Contribution to journal › Article › peer-review

48 Citations (Scopus)

Abstract

In condensed matter systems, strong optical excitations can induce phonon-driven processes that alter their mechanical properties. We report on a new phenomenon where a massive electronic excitation induces a collective change in the bond character that leads to transient lattice contraction. Single large van der Waals clusters were isochorically heated to a nanoplasma state with an intense 10-fs x-ray (pump) pulse. The structural evolution of the nanoplasma was probed with a second intense x-ray (probe) pulse, showing systematic contraction stemming from electron delocalization during the solid-to-plasma transition. These findings are relevant for any material in extreme conditions ranging from the time evolution of warm or hot dense matter to ultrafast imaging with intense x-ray pulses or, more generally, any situation that involves a condensed matter-to-plasma transition.

Original language	English
Article number	e1500837
Journal	Science Advances
Volume	2
Issue number	1
DOIs	https://doi.org/10.1126/sciadv.1500837
Publication status	Published - 2016 Jan

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Ferguson, K. R., Bucher, M., Gorkhover, T., Boutet, S., Fukuzawa, H., Koglin, J. E., Kumagai, Y., Lutman, A., Marinelli, A., Messerschmidt, M., Nagaya, K., Turner, J., Ueda, K., Williams, G. J., Bucksbaum, P. H., & Bostedt, C. (2016). Transient lattice contraction in the solid-to-plasma transition. Science Advances, 2(1), [e1500837]. https://doi.org/10.1126/sciadv.1500837

Transient lattice contraction in the solid-to-plasma transition. / Ferguson, Ken R.; Bucher, Maximilian; Gorkhover, Tais; Boutet, Sébastien; Fukuzawa, Hironobu; Koglin, Jason E.; Kumagai, Yoshiaki; Lutman, Alberto; Marinelli, Agostino; Messerschmidt, Marc; Nagaya, Kiyonobu; Turner, Jim; Ueda, Kiyoshi; Williams, Garth J.; Bucksbaum, Philip H.; Bostedt, Christoph.

In: Science Advances, Vol. 2, No. 1, e1500837, 01.2016.

Research output: Contribution to journal › Article › peer-review

Ferguson, Ken R. ; Bucher, Maximilian ; Gorkhover, Tais ; Boutet, Sébastien ; Fukuzawa, Hironobu ; Koglin, Jason E. ; Kumagai, Yoshiaki ; Lutman, Alberto ; Marinelli, Agostino ; Messerschmidt, Marc ; Nagaya, Kiyonobu ; Turner, Jim ; Ueda, Kiyoshi ; Williams, Garth J. ; Bucksbaum, Philip H. ; Bostedt, Christoph. / Transient lattice contraction in the solid-to-plasma transition. In: Science Advances. 2016 ; Vol. 2, No. 1.

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abstract = "In condensed matter systems, strong optical excitations can induce phonon-driven processes that alter their mechanical properties. We report on a new phenomenon where a massive electronic excitation induces a collective change in the bond character that leads to transient lattice contraction. Single large van der Waals clusters were isochorically heated to a nanoplasma state with an intense 10-fs x-ray (pump) pulse. The structural evolution of the nanoplasma was probed with a second intense x-ray (probe) pulse, showing systematic contraction stemming from electron delocalization during the solid-to-plasma transition. These findings are relevant for any material in extreme conditions ranging from the time evolution of warm or hot dense matter to ultrafast imaging with intense x-ray pulses or, more generally, any situation that involves a condensed matter-to-plasma transition.",

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note = "Funding Information: This work was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Division of Chemical, Geological, and Biological Sciences under contract nos. DE-AC02-06CH11357 and DE-AC02-76SF00515. T.G. thanks the Volkswagen Foundation for financial support. M.M. is thankful for the National Science Foundation award 1231306. Y.K., H.F., K.N., and K.U. are grateful for the support from the X-ray Free Electron Laser Priority Strategy Program of MEXT.",

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AU - Bostedt, Christoph

N1 - Funding Information: This work was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Division of Chemical, Geological, and Biological Sciences under contract nos. DE-AC02-06CH11357 and DE-AC02-76SF00515. T.G. thanks the Volkswagen Foundation for financial support. M.M. is thankful for the National Science Foundation award 1231306. Y.K., H.F., K.N., and K.U. are grateful for the support from the X-ray Free Electron Laser Priority Strategy Program of MEXT.

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