Mike Armstrong

Portrait of  Mike Armstrong

  • Title
    Deputy Group Leader, Dynamic Materials Experiments
  • Email
    armstrong30@llnl.gov
  • Phone
    (925) 423-5702
  • Organization
    Not Available

Research Interests

  • Molecular coordination in macromolecules and phase transitions
  • Nonlinear optical phenomena
  • Ultrafast electron imaging and diffraction
  • Ultrafast phenomena in condensed phase chemical reactions
  • Development of instruments to examine ultrafast regimes

Ph.D. Physics, University of Rochester, 2001

M.A. Physics, University of Rochester, 1995

B.S. Physics, New Mexico State University, 1993

  • Armstrong, M. R.; Lindsey, R. K.; Goldman, N.; Nielsen, M. H.; Stavrou, E.; Fried, L. E.; Zaug, J. M.; Bastea, S. Ultrafast Shock Synthesis of Nanocarbon from a Liquid Precursor. NATURE COMMUNICATIONS 2020, 11 (1). https://doi.org/10.1038/s41467-019-14034-z.
  • Armstrong, M. R.; Reed, E. J.; Kim, K.-Y.; Glownia, J. H.; Howard, W. M.; Piner, E. L.; Roberts, J. C. Observation of Terahertz Radiation Coherently Generated by Acoustic Waves. NATURE PHYSICS 2009, 5 (4), 285–288. https://doi.org/10.1038/NPHYS1219.
  • Armstrong, M.; Ogilvie, J.; Cowan, M.; Nagy, A.; Miller, R. Observation of the Cascaded Atomic-to-Global Length Scales Driving Protein Motion. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 2003, 100 (9), 4990–4994. https://doi.org/10.1073/pnas.0936507100.
  • Crowhurst, J. C.; Armstrong, M. R.; Knight, K. B.; Zaug, J. M.; Behymer, E. M. Invariance of the Dissipative Action at Ultrahigh Strain Rates Above the Strong Shock Threshold. PHYSICAL REVIEW LETTERS 2011, 107 (14). https://doi.org/10.1103/PhysRevLett.107.144302.
  • Kim, J. S.; LaGrange, T.; Reed, B. W.; Taheri, M. L.; Armstrong, M. R.; King, W. E.; Browning, N. D.; Campbell, G. H. Imaging of Transient Structures Using Nanosecond in Situ TEM. SCIENCE 2008, 321 (5895), 1472–1475. https://doi.org/10.1126/science.1161517.
  • Reed, E. J.; Armstrong, M. R.; Kim, K.-Y.; Glownia, J. H. Atomic-Scale Time and Space Resolution of Terahertz Frequency Acoustic Waves. PHYSICAL REVIEW LETTERS 2008, 101 (1). https://doi.org/10.1103/PhysRevLett.101.014302.
  • Armstrong, M. R.; Zaug, J. M.; Goldman, N.; Kuo, I.-F. W.; Crowhurst, J. C.; Howard, W. M.; Carter, J. A.; Kashgarian, M.; Chesser, J. M.; Barbee, T. W.; Bastea, S. Ultrafast Shock Initiation of Exothermic Chemistry in Hydrogen Peroxide. JOURNAL OF PHYSICAL CHEMISTRY A 2013, 117 (49), 13051–13058. https://doi.org/10.1021/jp407595u.
  • Armstrong, M. R.; Boyden, K.; Browning, N. D.; Campbell, G. H.; Colvin, J. D.; DeHope, W. J.; Frank, A. M.; Gibson, D. J.; Hartemann, F.; Kim, J. S.; King, W. E.; LaGrange, T. B.; Pyke, B. J.; Reed, B. W.; Shuttlesworth, R. M.; Stuart, B. C.; Torralva, B. R. Practical Considerations for High Spatial and Temporal Resolution Dynamic Transmission Electron Microscopy. ULTRAMICROSCOPY 2007, 107 (4–5), 356–367. https://doi.org/10.1016/j.ultramic.2006.09.005.
  • Armstrong, M. R.; Reed, B. W.; Torralva, B. R.; Browning, N. D. Prospects for Electron Imaging with Ultrafast Time Resolution. APPLIED PHYSICS LETTERS 2007, 90 (11). https://doi.org/10.1063/1.2712838.
  • Armstrong, M. R.; Crowhurst, J. C.; Bastea, S.; Howard, W. M.; Zaug, J. M.; Goncharov, A. F. Prospects for Achieving High Dynamic Compression with Low Energy. APPLIED PHYSICS LETTERS 2012, 101 (10). https://doi.org/10.1063/1.4751107.
  • Armstrong, M. R.; Crowhurst, J. C.; Bastea, S.; Zaug, J. M. Ultrafast Observation of Shocked States in a Precompressed Material. JOURNAL OF APPLIED PHYSICS 2010, 108 (2). https://doi.org/10.1063/1.3460801.
  • Armstrong, M. R.; Zaug, J. M.; Grant, C. D.; Crowhurst, J. C.; Bastea, S. Ultrafast Shock Compression of an Oxygen-Balanced Mixture of Nitromethane and Hydrogen Peroxide. JOURNAL OF PHYSICAL CHEMISTRY A 2014, 118 (32), 6148–6153. https://doi.org/10.1021/jp502891p.
  • Armstrong, M.; Plachta, P.; Ponomarev, E.; Miller, R. Versatile 7-Fs Optical Parametric Pulse Generation and Compression by Use of Adaptive Optics. OPTICS LETTERS 2001, 26 (15), 1152–1154. https://doi.org/10.1364/OL.26.001152.
  • Crowhurst, J. C.; Armstrong, M. R.; Gates, S. D.; Zaug, J. M.; Radousky, H. B.; Teslich, N. E. Yielding of Tantalum at Strain Rates up to 10(9) s(-1). APPLIED PHYSICS LETTERS 2016, 109 (9). https://doi.org/10.1063/1.4960796.
  • Girard, B.; Yu, D.; Armstrong, M. R.; Wilson, B. C.; Clokie, C. M. L.; Miller, R. J. D. Effects of Femtosecond Laser Irradiation on Osseous Tissues. LASERS IN SURGERY AND MEDICINE 2007, 39 (3), 273–285. https://doi.org/10.1002/lsm.20466.
  • Koroglu, B.; Mehl, M.; Crowhurst, J. C.; Zaug, J. M.; Rose, T. P.; Radousky, H. B.; Armstrong, M. R. Experimental and Modeling Study of Chemical-Based Strategies for Mitigating Dust Formation in Fusion Reactors. PLASMA PHYSICS AND CONTROLLED FUSION 2019, 61 (4). https://doi.org/10.1088/1361-6587/aaffe3.
  • Koroglu, B.; Wagnon, S.; Dai, Z.; Crowhurst, J. C.; Armstrong, M. R.; Weisz, D.; Mehl, M.; Zaug, J. M.; Radousky, H. B.; Rose, T. P. Gas Phase Chemical Evolution of Uranium, Aluminum, and Iron Oxides. SCIENTIFIC REPORTS 2018, 8. https://doi.org/10.1038/s41598-018-28674-6.
  • LaGrange, T.; Armstrong, M. R.; Boyden, K.; Brown, C. G.; Campbell, G. H.; Colvin, J. D.; DeHope, W. J.; Frank, A. M.; Gibson, D. J.; Hartemann, F. V.; Kim, J. S.; King, W. E.; Pyke, B. J.; Reed, B. W.; Shirk, M. D.; Shuttlesworth, R. M.; Stuart, B. C.; Torralva, B. R.; Browning, N. D. Single-Shot Dynamic Transmission Electron Microscopy. APPLIED PHYSICS LETTERS 2006, 89 (4). https://doi.org/10.1063/1.2236263.
  • Liao, Y.; Miller, R.; Armstrong, M. Pressure Tuning of Thermal Lensing for High-Power Scaling. OPTICS LETTERS 1999, 24 (19), 1343–1345. https://doi.org/10.1364/OL.24.001343.
  • Park, S. D.; Armstrong, M. R.; Kohl, I. T.; Zaug, J. M.; Knepper, R.; Tappan, A. S.; Bastea, S.; Kay, J. J. Ultrafast Shock-Induced Reactions in Pentaerythritol Thin Films. JOURNAL OF PHYSICAL CHEMISTRY A 2018, 122 (41), 8101–8106. https://doi.org/10.1021/acs.jpca.8b05387.