Publications by Stewart McWilliams

Simple Molecules under High-Pressure and High-Temperature Conditions: Synthesis and Characterization of α- and β-C(NH)2 with Fully sp3-Hybridized Carbon DOI
Thaddaus J. Koller, Siyu Jin, Viktoria Krol, Sebastian J. Ambach, Umbertoluca Ranieri, Saiana Khandarkhaeva, James Spender, Stewart McWilliams, Florian Trybel, Nico Giordano, Andreas Hermann, Dominique Laniel et al., Angewandte Chemie, 63, 7, p. 1-6 (2024)
Diamond Precipitation Dynamics from Hydrocarbons at Icy Planet Interior Conditions DOI
Mungo Frost, R Stewart McWilliams, Elena Bykova, Maxim Bykov, Rachel J Husband, Leon M Andriambariarijaona, Saiana Khandarkhaeva, Bernhard Massani, Karen Appel, Carsten Baehtz, Malcolm I McMahon et al., Nature Astronomy, 8, 2, p. 174-181 (2024)
Simultaneous bright- and dark-field X-ray microscopy at X-ray free electron lasers DOI
Leora E. Dresselhaus-Marais, Bernard Kozioziemski, Theodor S. Holstad, Trygve Magnus Ræder, Matthew Seaberg, Daewoong Nam, Sangsoo Kim, Sean Breckling, Sungwook Choi, R. Stewart McWilliams et al., Scientific Reports, 13, 1, p. 1-19 (2023)
Dynamic Optical Spectroscopy and Pyrometry under Optical and X-ray Laser Heating at European XFEL DOI
EuXFEL Community, Journal of applied physics, 134, 5, p. 1-38 (2023)
A MHz X-ray diffraction set-up for dynamic compression experiments in the diamond anvil cell DOI
EuXFEL Community Proposal 2592, Journal of Synchrotron Radiation, 30, Pt 4, p. 671-685 (2023)
Atomistic investigation of cavitation and ablation in tantalum foils under irradiation with x-rays approaching 5 keV DOI
M.J. Duff, P.G. Heighway, J.D. McHardy, A. D'Souza, R. S. McWilliams, J.S. Wark and M. I. McMahon, Physical Review B, 106, 2, p. 1-23 (2022)
X-ray free electron laser heating of water and gold at high static pressure DOI
Rachel J. Husband, R. Stewart McWilliams, Edward J. Pace, Amy L. Coleman, Huijeong Hwang, Jinhyuk Choi, Taehyun Kim, Gil Chan Hwang, Orianna B. Ball, Sae Hwan Chun, Malcolm, I McMahon et al., Communications Materials, 2, 1, p. 1-9 (2021)
Novel experimental setup for MHz X-ray diffraction in the Diamond Anvil Cell at the High Energy Density (HED) Instrument of the European X-ray Free Electron Laser DOI
EuXFEL Community, J D McHardy, M. I. McMahon, R. S. McWilliams, O B Ball and E J Pace, Journal of Synchrotron Radiation, 28, 3, p. 1-19 (2021)
X-ray Free Electron Laser-Induced Synthesis of ε- Iron Nitride at High Pressures DOI
EuXFEL Community, Orianna Ball, James D McHardy, Edward J Pace, Malcolm I McMahon and R Stewart McWilliams, The Journal of Physical Chemistry Letters, 12, 12, p. 3246-3252 (2021)
Shock-wave study of the metallization of alkali halides up to 400 GPa DOI
Orianna Ball, Matthew R. Diamond, Suzanne J. Ali, Raymond Jeanloz, Jon H. Eggert, Gilbert W. Collins and R. S. McWilliams, AIP Conference Proceedings, 2272, 1, p. 1-6 (2020)
Thermomechanical response of thickly tamped targets and diamond anvil cells under pulsed hard x-ray irradiation DOI
J. Meza-Galvez, N. Gomez-Perez, A. Marshall, A. L. Coleman, K. Appel, H. P. Liermann, M. I. McMahon, Z. Konopkova and R. S. McWilliams, Journal of applied physics, 127, 19 (2020)
Viscosity measurement from microscale convection at high pressure and temperature DOI
Hannah Bartlett, Natalia Gomez-Perez, Michiel Hermes and Stewart Mcwilliams, Physical review B, 101, 14 (2020)
Intense Reactivity in Sulfur-Hydrogen Mixtures at High Pressure under X-ray Irradiation DOI
Ed Pace, Amy L Coleman, Rachel J Husband, Huijeong Hwang, Jinhyuk Choi, Taehyun Kim, Gilchan Hwang, Sae Hwan Chun, Daewoong Nam, Malcolm McMahon, Stewart Mcwilliams et al., Journal of Physical Chemistry Letters (2020)
A spectroscopic study of the insulator-metal transition in liquid hydrogen and deuterium DOI
Shuqing Jiang, Nicholas Holtgrewe, Zachary M Geballe, Sergey S Lobanov, Mohammad F. Mahmood, Ryan Mcwilliams and Alexander F. Goncharov, Advanced Science (2019)
Identification of Phase Transitions and Metastability in Dynamically Compressed Antimony using Ultra-Fast X-Ray Diraction DOI
Amy Coleman, M. G. Gorman, Richard Briggs, Ryan Mcwilliams, David McGonegle, C A Bolme, A E Gleason, D. E. Fratanduono, R. F. Smith, Eric Galtier, Malcolm McMahon et al., Physical Review Letters (2019)
Recovery of Metastable Dense Bi Synthesized by Shock Compression DOI
M. G. Gorman, Amy Coleman, Richard Briggs, Ryan Mcwilliams, Andreas Hermann, David McGonegle, C A Bolme, A E Gleason, Eric Galtier, H. J. Lee, E Granados, Malcolm McMahon et al., Applied Physics Letters (2019)
Femtosecond diffraction studies of solid and liquid phase changes in shock-compressed bismuth DOI
M. G. Gorman, Amy Coleman, Richard Briggs, Ryan Mcwilliams, David McGonegle, C A Bolme, A E Gleason, Eric Galtier, H. J. Lee, E Granados, Malcolm McMahon et al., Scientific Reports, 8 (2018)
Insulator-metal transition in dense fluid deuterium DOI
Peter M. Celliers, Marius Millot, Stephanie Brygoo, R. Stewart McWilliams, Dayne E. Fratanduono, J. Ryan Rygg, Alexander F. Goncharov, Paul Loubeyre, Jon H. Eggert, J. Luc Peterson et al., Science, 361, 6403, p. 677-682 (2018)
Metallization and molecular dissociation of dense fluid nitrogen DOI
R. Stewart McWilliams, Nature Communications, 9 (2018)
Finite element modeling of melting and fluid flow in the laser-heated diamond-anvil DOI
Natalia Gomez-Perez, John Rodriguez and Ryan Mcwilliams, Journal of applied physics, 121, p. 145904-1 (2017)
Ultrafast X-Ray Diffraction Studies of the Phase Transitions and Equation of State of Scandium Shock Compressed to 82 GPa DOI
R Briggs, M G Gorman, A L Coleman, R S McWilliams, E E McBride, D McGonegle, J S Wark, L Peacock, S Rothman, S G Macleod, M I McMahon et al., Physical Review Letters, 118, 2, p. 1-6 (2017)
Optical properties of fluid hydrogen at the transition to a conducting state DOI
R. Stewart McWilliams, D. Allen Dalton, Mohammad F. Mahmood and Alexander F. Goncharov, Physical Review Letters, 116, 25 (2016)
Direct measurement of thermal conductivity in solid iron at planetary core conditions DOI
Zuzana Konôpková, R. Stewart McWilliams, Natalia Gomez-Perez and Alexander F. Goncharov, Nature, 534, 7605, p. 99-101 (2016)
Opacity and conductivity measurements in noble gases at conditions of planetary and stellar interiors DOI
R. Stewart Mcwilliams, D. Allen Dalton, Zuzana Konopkova, Mohammad F. Mahmood and Alexander F. Goncharov, Proceedings of the National Academy of Sciences (PNAS), 112, 26, p. 201421801 (2015)
A flash heating method for measuring thermal conductivity at high pressure and temperature: application to Pt DOI
Stewart Mcwilliams, Z. Konopkova and Alexander.f. Goncharov, Physics of the Earth and Planetary Interiors (2015)
Phase Transformations and Metallization of Magnesium Oxide at High Pressure and Temperature DOI
R. S. Mcwilliams, D. K. Spaulding, J. H. Eggert, P. M. Celliers, D. G. Hicks, R. F. Smith, G. W. Collins and R. Jeanloz, Science, 338, 6112, p. 1330-1333 (2012)
Melting and dissociation of ammonia at high pressure and high temperature DOI
J. G. O. Ojwang, R. Stewart McWilliams, Xuezhi Ke and Alexander F. Goncharov, The Journal of Chemical Physics, 137, 6 (2012)
Structural and chemical properties of the nitrogen-rich energetic material triaminoguanidinium 1-methyl-5-nitriminotetrazolate under pressure DOI
R. Stewart McWilliams, Yasmin Kadry, Mohammad F. Mahmood, Alexander F. Goncharov and Jennifer Ciezak-Jenkins, The Journal of Chemical Physics, 137, 5 (2012)
Evidence for a Phase Transition in Silicate Melt at Extreme Pressure and Temperature Conditions DOI
D. K. Spaulding, R. S. McWilliams, R. Jeanloz, J. H. Eggert, P. M. Celliers, D. G. Hicks, G. W. Collins and R. F. Smith, Physical Review Letters, 108, 6 (2012)
Development of ultrafast spectroscopic techniques to study rapid chemical and physical changes in materials under extreme pressure and temperature conditions DOI
Alexander F. Goncharov, D.A. Dalton, Stewart Mcwilliams and Mohammad F. Mahmood, MRS Proceedings, Materials Research Society, 1405 (2012)
Insulator-to-Conducting Transition in Dense Fluid Helium DOI
P. M. Celliers, P. Loubeyre, J. H. Eggert, S. Brygoo, R. S. Mcwilliams, D. G. Hicks, T. R. Boehly, R. Jeanloz and G. W. Collins, Physical Review Letters, 104, 18 (2010)
Melting temperature of diamond at ultrahigh pressure DOI
J. H. Eggert, D. G. Hicks, P. M. Celliers, D. K. Bradley, R. S. Mcwilliams, R. Jeanloz, J. E. Miller, T. R. Boehly and G. W. Collins, Nature Physics, 6, 1, p. 40-43 (2010)
Strength effects in diamond under shock compression from 0.1 to 1 TPa DOI
R. S. McWilliams, J. H. Eggert, D. G. Hicks, D. K. Bradley, P. M. Celliers, D. K. Spaulding, T. R. Boehly, G. W. Collins and R. Jeanloz, Physical review B, 81, 1 (2010)
High-precision measurements of the diamond Hugoniot in and above the melt region DOI
D. G. Hicks, T. R. Boehly, P. M. Celliers, D. K. Bradley, J. H. Eggert, R. S. McWilliams, R. Jeanloz and G. W. Collins, Physical review B, 78, 17 (2008)
Hugoniot Data for Helium in the Ionization Regime DOI
J. Eggert, S. Brygoo, P. Loubeyre, R. S. Mcwilliams, P. M. Celliers, D. G. Hicks, T. R. Boehly, R. Jeanloz and G. W. Collins, Physical Review Letters, 100, 12 (2008)
Achieving high-density states through shock-wave loading of precompressed samples DOI
Raymond Jeanloz, Peter M. Celliers, Gilbert W. Collins, Jon H. Eggert, Kanani K. M. Lee, R. Stewart McWilliams, Stephanie Brygoo and Paul Loubeyre, Proceedings of the National Academy of Sciences (PNAS), 104, 22, p. 9172-9177 (2007)
New optical diagnostics for equation of state experiments on the Janus laser
D. K. Spaulding, D. G. Hicks, R. F. Smith, J. H. Eggert, R. S. McWilliams, G. W. Collins and R. Jeanloz, SHOCK COMPRESSION OF CONDENSED MATTER - 2007, PTS 1 AND 2, American Institute of Physics, p. 1071-1074 (2007)

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Publications by Stewart McWilliams