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Lee, Kanani K. M.; Benedetti, L. Robin; Jeanloz, Raymond; Celliers, Peter M.; Eggert, Jon H.; Hicks, Damien G.; Moon, Stephen J.; Mackinnon, Andrew; Da Silva, Luis B.; Bradley, David K.; Unites, Walter; Collins, Gilbert W.; Henry, Emeric; Koenig, Michel; Benuzzi-Mounaix, Alessandra; Pasley, John; Neely, David

Laser-driven shock experiments on precompressed water: Implications for “icy” giant planets

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  • Media type: E-Article
  • Title: Laser-driven shock experiments on precompressed water: Implications for “icy” giant planets
  • Contributor: Lee, Kanani K. M.; Benedetti, L. Robin; Jeanloz, Raymond; Celliers, Peter M.; Eggert, Jon H.; Hicks, Damien G.; Moon, Stephen J.; Mackinnon, Andrew; Da Silva, Luis B.; Bradley, David K.; Unites, Walter; Collins, Gilbert W.; Henry, Emeric; Koenig, Michel; Benuzzi-Mounaix, Alessandra; Pasley, John; Neely, David
  • imprint: AIP Publishing, 2006
  • Published in: The Journal of Chemical Physics
  • Language: English
  • DOI: 10.1063/1.2207618
  • ISSN: 0021-9606; 1089-7690
  • Keywords: Physical and Theoretical Chemistry ; General Physics and Astronomy
  • Origination:
  • Footnote:
  • Description: <jats:p>Laser-driven shock compression of samples precompressed to 1GPa produces high-pressure-temperature conditions inducing two significant changes in the optical properties of water: the onset of opacity followed by enhanced reflectivity in the initially transparent water. The onset of reflectivity at infrared wavelengths can be interpreted as a semiconductor↔electronic conductor transition in water, and is found at pressures above ∼130GPa for single-shocked samples precompressed to 1GPa. Our results indicate that conductivity in the deep interior of “icy” giant planets is greater than realized previously because of an additional contribution from electrons.</jats:p>