Search Results - "Hawreliak, J."

Experimental evidence for a phase transition in magnesium oxide at exoplanet pressures by Coppari, F., Smith, R. F., Eggert, J. H., Wang, J., Rygg, J. R., Lazicki, A., Hawreliak, J. A., Collins, G. W., Duffy, T. S

“…Little is known about the structure of possible mantle materials of extra-solar super-Earths with interior pressures of up to 1,000 GPa. Dynamic X-ray…”
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Ultrafast visualization of crystallization and grain growth in shock-compressed SiO2 by Gleason, A. E., Bolme, C. A., Lee, H. J., Nagler, B., Galtier, E., Milathianaki, D., Hawreliak, J., Kraus, R. G., Eggert, J. H., Fratanduono, D. E., Collins, G. W., Sandberg, R., Yang, W., Mao, W. L.

“…Pressure- and temperature-induced phase transitions have been studied for more than a century but very little is known about the non-equilibrium processes by…”
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Dynamic Behavior of Engineered Lattice Materials by Hawreliak, J. A., Lind, J., Maddox, B., Barham, M., Messner, M., Barton, N., Jensen, B. J., Kumar, M.

“…Additive manufacturing (AM) is enabling the fabrication of materials with engineered lattice structures at the micron scale. These mesoscopic structures fall…”
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Molecular dynamics simulations of shock-induced deformation twinning of a body-centered-cubic metal by Higginbotham, A., Suggit, M. J., Bringa, E. M., Erhart, P., Hawreliak, J. A., Mogni, G., Park, N., Remington, B. A., Wark, J. S.

“…Despite a number of previous nonequilibrium molecular dynamics (MD) studies into plasticity in face-centered-cubic metals, and phase transitions in…”
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Absolute Equation-of-State Measurement for Polystyrene from 25 to 60 Mbar Using a Spherically Converging Shock Wave by Döppner, T, Swift, D C, Kritcher, A L, Bachmann, B, Collins, G W, Chapman, D A, Hawreliak, J, Kraus, D, Nilsen, J, Rothman, S, Benedict, L X, Dewald, E, Fratanduono, D E, Gaffney, J A, Glenzer, S H, Hamel, S, Landen, O L, Lee, H J, LePape, S, Ma, T, MacDonald, M J, MacPhee, A G, Milathianaki, D, Millot, M, Neumayer, P, Sterne, P A, Tommasini, R, Falcone, R W

“…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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Shock deformation of face-centred-cubic metals on subnanosecond timescales by Bringa, E. M, Rosolankova, K, Rudd, R. E, Remington, B. A, Wark, J. S, Duchaineau, M, Kalantar, D. H, Hawreliak, J, Belak, J

“…Despite its fundamental importance for a broad range of applications, little is understood about the behaviour of metals during the initial phase of shock…”
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Strength of shock-loaded single-crystal tantalum [100] determined using in situ broadband x-ray Laue diffraction by Comley, A J, Maddox, B R, Rudd, R E, Prisbrey, S T, Hawreliak, J A, Orlikowski, D A, Peterson, S C, Satcher, J H, Elsholz, A J, Park, H-S, Remington, B A, Bazin, N, Foster, J M, Graham, P, Park, N, Rosen, P A, Rothman, S R, Higginbotham, A, Suggit, M, Wark, J S

“…The strength of shock-loaded single crystal tantalum [100] has been experimentally determined using in situ broadband x-ray Laue diffraction to measure the…”
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Direct observation of the α-ε transition in shock-compressed iron via nanosecond X-ray diffraction by KALANTAR, D. H, BELAK, J. F, LOMDAHL, P. S, LORENZANA, H. E, MEYERS, M. A, ROSOLANKOVA, K, SCHNEIDER, M. S, SHEPPARD, J, STÖLKEN, J. S, WARK, J. S, COLLINS, G. W, COLVIN, J. D, DAVIES, H. M, EGGERT, J. H, GERMANN, T. C, HAWRELIAK, J, HOLIAN, B. L, KADAU, K

“…In situ x-ray diffraction studies of iron under shock conditions confirm unambiguously a phase change from the bcc (alpha) to hcp (epsilon) structure. Previous…”
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In situ lattice measurement of the bcc phase boundary in Mg on the principal shock Hugoniot by Milathianaki, D., Swift, D. C., Hawreliak, J., El-Dasher, B. S., McNaney, J. M., Lorenzana, H. E., Ditmire, T.

“…We report on nanosecond resolution lattice measurements of shock-compressed Mg in the hcp and bcc phases between 12 and 45 GPa. X-ray diffraction signals…”
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Molecular dynamics simulations of ramp-compressed copper by Higginbotham, A., Hawreliak, J., Bringa, E. M., Kimminau, G., Park, N., Reed, E., Remington, B. A., Wark, J. S.

“…The compression of solids by a ramped pressure pulse, as opposed to shock compression, affords the potential to create states of solid-state matter at…”
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Ultrafast visualization of crystallization and grain growth in shock-compressed SiO2 by Gleason, A E, Bolme, C A, Lee, H J, Nagler, B, Galtier, E, Milathianaki, D, Hawreliak, J, Kraus, R G, Eggert, J H, Fratanduono, D E, Collins, G W, Sandberg, R, Yang, W, Mao, W L

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Comley et al. reply by Comley, A J, Maddox, B R, Rudd, R E, Barton, N R, Wehrenberg, C E, Prisbrey, S T, Hawreliak, J A, Orlikowski, D A, Peterson, S C, Satcher, J H, Elsholz, A J, Park, H-S, Remington, B A, Bazin, N, Foster, J M, Graham, P, Park, N, Rosen, P A, Rothman, S D, Higginbotham, A, Suggit, M, Wark, J S

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Simulation of shock-induced melting of Ni using molecular dynamics coupled to a two-temperature model by Koči, L., Bringa, E. M., Ivanov, D. S., Hawreliak, J., McNaney, J., Higginbotham, A., Zhigilei, L. V., Belonoshko, A. B., Remington, B. A., Ahuja, R.

“…Using nonequilibrium molecular dynamics (MD) simulations we study shock-induced melting in Ni with an embedded atom method (EAM). Dynamic melting is probed by…”
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Nanosecond x-ray diffraction from polycrystalline and amorphous materials in a pinhole camera geometry suitable for laser shock compression experiments by Hawreliak, J, Lorenzana, H E, Remington, B A, Lukezic, S, Wark, J S

“…Nanosecond pulses of quasimonochromatic x-rays emitted from the K shell of ions within a laser-produced plasma are of sufficient spectral brightness to allow…”
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Radiation transfer effects on the spectra of laser-generated plasmas by Renner, O, Kerr, F M, Wolfrum, E, Hawreliak, J, Chambers, D, Rose, S J, Wark, J S, Scott, H A, Patel, P

“…Experimental x-ray spectra of the H-like 2p --> 1s (Lyman-alpha) doublet have been obtained using time-integrated high-resolution spectroscopy of a…”
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Modeling Planetary Interiors in Laser Based Experiments Using Shockless Compression by Hawreliak, J, Colvin, J, Eggert, J, Kalantar, D H, Lorenzana, HE, Pollaine, S, Rosolankova, K, Remington, BA, Stoelken, J, Wark, J S

“…X-ray diffraction is a widely used technique for measuring the crystal structure of a compressed material. Recently, short pulse x-ray sources have been used…”
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In situ diffraction measurements of lattice response due to shock loading, including direct observation of the α– ε phase transition in iron by Kalantar, D.H., Collins, G.W., Colvin, J.D., Eggert, J.H., Hawreliak, J., Lorenzana, H.E., Meyers, M.A., Minich, R.W., Rosolankova, K., Schneider, M.S., Stölken, J.S., Wark, J.S.

“…In situ diffraction is a technique to probe directly the lattice response of materials during the shock loading process. It is used to record diffraction…”
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Investigation of the onset and development of forward scattering in an underdense plasma by Moody, J D, Williams, E A, Glenzer, S H, Young, P E, Hawreliak, J, Gouveia, A, Wark, J S

“…We investigate the distortion of a spatial intensity modulation imposed on a 527 nm f/10 probe beam as it transmits through an underdense plasma characterized…”
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Absorption spectroscopy of Al XIII Ly- α radiation by an Fe XXIV plasma by Gouveia, A., Al'miev, I.R., Hawreliak, J., Chambers, D.M., Liang, T., Marjoribanks, R., Pinto, P.A., Renner, O., Zhang, J., Wark, J.S.

“…We report an analysis of absorption and fluorescence spectroscopy of the interaction of Al XIII Ly- α radiation with Fe XXIV in laser-produced plasmas. These…”
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Detailed hydrodynamic and X-ray spectroscopic analysis of a laser-produced rapidly-expanding aluminium plasma by Chambers, D.M., Glenzer, S.H., Hawreliak, J., Wolfrum, E., Gouveia, A., Lee, R.W., Marjoribanks, R.S., Renner, O., Sondhauss, P., Topping, S., Young, P.E., Pinto, P.A., Wark, J.S.

“…We present a detailed analysis of K-shell emission from laser-produced rapidly-expanding Al plasmas. This work forms part of a series of experiments performed…”
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