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

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

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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.

Original language	English (US)
Article number	e1500837
Journal	Science Advances
Volume	2
Issue number	1
DOIs	https://doi.org/10.1126/sciadv.1500837
State	Published - Jan 2016
Externally published	Yes

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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), Article e1500837. https://doi.org/10.1126/sciadv.1500837

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title = "Transient lattice contraction in the solid-to-plasma transition",

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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AU - Ferguson, Ken R.

AU - Bucher, Maximilian

AU - Gorkhover, Tais

AU - Boutet, Sébastien

AU - Fukuzawa, Hironobu

AU - Koglin, Jason E.

AU - Kumagai, Yoshiaki

AU - Lutman, Alberto

AU - Marinelli, Agostino

AU - Messerschmidt, Marc

AU - Nagaya, Kiyonobu

AU - Turner, Jim

AU - Ueda, Kiyoshi

AU - Williams, Garth J.

AU - Bucksbaum, Philip H.

AU - Bostedt, Christoph

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N2 - 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.

AB - 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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Transient lattice contraction in the solid-to-plasma transition

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