Search Results - "Knudson, M. D"

High-Precision Shock Wave Measurements of Deuterium: Evaluation of Exchange-Correlation Functionals at the Molecular-to-Atomic Transition by Knudson, M D, Desjarlais, M P

“…We present shock compression data for deuterium through the molecular-to-atomic transition along the principal Hugoniot with unprecedented precision, enabling…”
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Direct observation of an abrupt insulator-to-metal transition in dense liquid deuterium by Knudson, M. D., Desjarlais, M. P., Becker, A., Lemke, R. W., Cochrane, K. R., Savage, M. E., Bliss, D. E., Mattsson, T. R., Redmer, R.

“…Eighty years ago, it was proposed that solid hydrogen would become metallic at sufficiently high density. Despite numerous investigations, this transition has…”
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Shock compression of quartz to 1.6 TPa: redefining a pressure standard by Knudson, M D, Desjarlais, M P

“…Evaluation of models and theory of high-pressure material response is largely made through comparison with shock wave data, which rely on impedance match…”
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Shock-Wave Exploration of the High-Pressure Phases of Carbon by Knudson, M.D, Desjarlais, M.P, Dolan, D.H

“…The high-energy density behavior of carbon, particularly in the vicinity of the melt boundary, is of broad scientific interest and of particular interest to…”
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Adiabatic release measurements in aluminum between 400 and 1200 GPa: Characterization of aluminum as a shock standard in the multimegabar regime by Knudson, M. D., Desjarlais, M. P., Pribram-Jones, Aurora

“…Aluminum has been used prolifically as an impedance matching standard in the multimegabar regime (1 Mbar = 100 GPa), particularly in nuclear driven, early…”
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Magnetically driven hyper-velocity launch capability at the Sandia Z accelerator by Lemke, R.W., Knudson, M.D., Davis, J.-P.

“…The intense magnetic field generated by the Z accelerator at Sandia National Laboratories is used as a pressure source for material science studies. A current…”
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A metastable limit for compressed liquid water by Dolan, D. H, Knudson, M. D, Hall, C. A, Deeney, C

“…The transformation of liquid water to solid ice is typically a slow process. To cool a sample below the melting point requires some time, as does nucleation…”
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Pulsed power accelerator for material physics experiments by Reisman, D. B., Stoltzfus, B. S., Stygar, W. A., Austin, K. N., Waisman, E. M., Hickman, R. J., Davis, J.-P., Haill, T. A., Knudson, M. D., Seagle, C. T., Brown, J. L., Goerz, D. A., Spielman, R. B., Goldlust, J. A., Cravey, W. R.

“…We have developed the design of Thor: a pulsed power accelerator that delivers a precisely shaped current pulse with a peak value as high as 7 MA to a…”
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Equation of state measurements in liquid deuterium to 70 GPa by Knudson, M D, Hanson, D L, Bailey, J E, Hall, C A, Asay, J R, Anderson, W W

“…Using intense magnetic pressure, a method was developed to launch flyer plates to velocities in excess of 20 km/s. This technique was used to perform…”
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Use of a wave reverberation technique to infer the density compression of shocked liquid deuterium to 75 GPa by Knudson, M D, Hanson, D L, Bailey, J E, Hall, C A, Asay, J R

“…A novel approach was developed to probe density compression of liquid deuterium (L-D2) along the principal Hugoniot. Relative transit times of shock waves…”
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Principal Hugoniot, reverberating wave, and mechanical reshock measurements of liquid deuterium to 400 GPa using plate impact techniques by Knudson, M. D., Hanson, D. L., Bailey, J. E., Hall, C. A., Asay, J. R., Deeney, C.

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Adiabatic release measurements in α -quartz between 300 and 1200 GPa: Characterization of α -quartz as a shock standard in the multimegabar regime by Knudson, M. D., Desjarlais, M. P.

“…Recently, a golden colored, dense polymorph of titanium sesquioxide, Ti[sub 2]O[sub 3] with a Th[sub 2]S[sub 3]-type structure, has been synthesized at…”
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Probing the interiors of the ice giants: shock compression of water to 700 GPa and 3.8 g/cm by Knudson, M D, Desjarlais, M P, Lemke, R W, Mattsson, T R, French, M, Nettelmann, N, Redmer, R

“…Recently, there has been a tremendous increase in the number of identified extrasolar planetary systems. Our understanding of their formation is tied to…”
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Using the line-VISAR to study multi-dimensional and mesoscale impact phenomena by Vogler, T.J., Trott, W.M., Reinhart, W.D., Alexander, C.S., Furnish, M.D., Knudson, M.D., Chhabildas, L.C.

“…The line-VISAR is an optical interferometry system that allows velocities to be measured in a spatially and temporally resolved manner. The ability to measure…”
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High velocity flyer plate launch capability on the Sandia Z accelerator by Hall, C.A., Knudson, M.D., Asay, J.R., Lemke, R., Oliver, B.

“…A method has been developed for launching plates useful for equation of state (EOS) studies to high velocities using fast pulsed power on the Sandia National…”
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Field-scale influence of karité (Vitellaria paradoxa) on sorghum production in the Sudan zone of Burkina Faso by BOFFA, J.-M, TAONDA, S. J.-B, DICKEY, J. B, KNUDSON, D. M

“…Sorghum (Sorghum bicolor L. Moench) production in 15 transect blocks, each with a karité (Vitellaria paradoxa C. F. Gaertn.) tree at each end, was evaluated…”
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A metastable limit for compressed liquid water by Dolan, D. H., Knudson, M. D., Hall, C. A., Deeney, C.

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Thermodynamics of the insulator-metal transition in dense liquid deuterium by Desjarlais, M. P, Knudson, M. D, Redmer, R

“…Phys. Rev. B 101, 104101 (2020) Recent dynamic compression experiments [M. D. Knudson et al., Science 348, 1455 (2015); P. M. Celliers et al., Science 361, 677…”
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Real-Time Observation of a Metastable State during the Phase Transition in Shocked Cadmium Sulfide by Knudson, M. D., Gupta, Y. M.

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High velocity flyer plate launch capability on the sandia Z accelerator by Knudson, M.D., Hall, C.A., Lemke, R., Deeney, C., Asay, J.R.

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