Search Results - "Falcone, R. W"
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1
Nanosecond formation of diamond and lonsdaleite by shock compression of graphite
Published in Nature communications (14-03-2016)“…The shock-induced transition from graphite to diamond has been of great scientific and technological interest since the discovery of microscopic diamonds in…”
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2
Ultrabright X-ray laser scattering for dynamic warm dense matter physics
Published in Nature photonics (23-03-2015)“…In megabar shock waves, materials compress and undergo a phase transition to a dense charged-particle system that is dominated by strong correlations and…”
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3
Formation of diamonds in laser-compressed hydrocarbons at planetary interior conditions
Published in Nature astronomy (01-09-2017)“…The effects of hydrocarbon reactions and diamond precipitation on the internal structure and evolution of icy giant planets such as Neptune and Uranus have…”
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4
Creation and diagnosis of a solid-density plasma with an X-ray free-electron laser
Published in Nature (London) (02-02-2012)“…Experimental study of the interactions between intense X-rays and solid matter illustrate the generation of a solid-density plasma governed by electron–ion…”
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5
Direct measurements of the ionization potential depression in a dense plasma
Published in Physical review letters (06-08-2012)“…We have used the Linac Coherent Light Source to generate solid-density aluminum plasmas at temperatures of up to 180 eV. By varying the photon energy of the x…”
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6
Observation of Betatron X-Ray Radiation in a Self-Modulated Laser Wakefield Accelerator Driven with Picosecond Laser Pulses
Published in Physical review letters (31-03-2017)“…We investigate a new regime for betatron x-ray emission that utilizes kilojoule-class picosecond lasers to drive wakes in plasmas. When such laser pulses with…”
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7
Measurement of Electron-Ion Relaxation in Warm Dense Copper
Published in Scientific reports (06-01-2016)“…Experimental investigation of electron-ion coupling and electron heat capacity of copper in warm and dense states are presented. From time-resolved x-ray…”
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8
Demonstration of X-ray Thomson scattering as diagnostics for miscibility in warm dense matter
Published in Nature communications (26-05-2020)“…The gas and ice giants in our solar system can be seen as a natural laboratory for the physics of highly compressed matter at temperatures up to thousands of…”
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Observations of continuum depression in warm dense matter with x-ray Thomson scattering
Published in Physical review letters (11-04-2014)“…Detailed measurements of the electron densities, temperatures, and ionization states of compressed CH shells approaching pressures of 50 Mbar are achieved with…”
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10
Absolute Equation-of-State Measurement for Polystyrene from 25 to 60 Mbar Using a Spherically Converging Shock Wave
Published in Physical review letters (13-07-2018)“…We have developed an experimental platform for the National Ignition Facility that uses spherically converging shock waves for absolute equation-of-state (EOS)…”
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11
Measuring the structure and equation of state of polyethylene terephthalate at megabar pressures
Published in Scientific reports (18-06-2021)“…We present structure and equation of state (EOS) measurements of biaxially orientated polyethylene terephthalate (PET, ( C 10 H 8 O 4 ) n , also called mylar)…”
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12
Electronic structure of warm dense copper studied by ultrafast x-ray absorption spectroscopy
Published in Physical review letters (20-04-2011)“…We use time-resolved x-ray absorption spectroscopy to investigate the unoccupied electronic density of states of warm dense copper that is produced…”
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13
Liquid Structure of Shock-Compressed Hydrocarbons at Megabar Pressures
Published in Physical review letters (14-12-2018)“…We present results for the ionic structure in hydrocarbons (polystyrene, polyethylene) that were shock compressed to pressures of up to 190 GPa, inducing rapid…”
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14
X-ray Thomson-scattering measurements of density and temperature in shock-compressed beryllium
Published in Physical review letters (20-03-2009)“…We present the first x-ray scattering measurements of the state of compression and heating in laser irradiated solid beryllium. The scattered spectra at two…”
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15
X-ray scattering measurements of dissociation-induced metallization of dynamically compressed deuterium
Published in Nature communications (15-04-2016)“…Hydrogen, the simplest element in the universe, has a surprisingly complex phase diagram. Because of applications to planetary science, inertial confinement…”
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16
Tracking the density evolution in counter-propagating shock waves using imaging X-ray scattering
Published in Applied physics letters (18-07-2016)“…We present results from time-resolved X-ray imaging and inelastic scattering on collective excitations. These data are then employed to infer the mass density…”
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17
Time-resolved X-Ray diffraction from coherent phonons during a laser-induced phase transition
Published in Physical review letters (03-01-2000)“…Time-resolved x-ray diffraction with picosecond temporal resolution is used to observe scattering from impulsively generated coherent acoustic phonons in…”
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18
Atomic-Scale Visualization of Inertial Dynamics
Published in Science (American Association for the Advancement of Science) (15-04-2005)“…The motion of atoms on interatomic potential energy surfaces is fundamental to the dynamics of liquids and solids. An accelerator-based source of femtosecond…”
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19
Measurements of ionic structure in shock compressed lithium hydride from ultrafast x-ray Thomson scattering
Published in Physical review letters (11-12-2009)“…We present the first ultrafast temporally, spectrally, and angularly resolved x-ray scattering measurements from shock-compressed matter. The experimental…”
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20
X-ray diffuse scattering measurements of nucleation dynamics at femtosecond resolution
Published in Physical review letters (04-04-2008)“…Femtosecond time-resolved small and wide angle x-ray diffuse scattering techniques are applied to investigate the ultrafast nucleation processes that occur…”
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