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Title: Tunable mega-ampere electron current propagation in solids by dynamic control of lattice melt

Abstract

The influence of lattice-melt-induced resistivity gradients on the transport of mega-ampere currents of fast electrons in solids is investigated numerically and experimentally using laser-accelerated protons to induce isochoric heating. Tailoring the heating profile enables the resistive magnetic fields which strongly influence the current propagation to be manipulated. This tunable laser-driven process enables important fast electron beam properties, including the beam divergence, profile, and symmetry to be actively tailored, and without recourse to complex target manufacture.

Authors:
 [1];  [1];  [1];  [2];  [3];  [4];  [5];  [2];  [1];  [2];  [6];  [7];  [3];  [1]
+ Show Author Affiliations
  1. University of Strathclyde, Glasgow (United Kingdom)
  2. STFC Rutherford Appleton Lab., Oxfordshire (United Kingdom)
  3. Lund University, Lund (Sweden)
  4. Sandia National Labs., Albuquerque, NM (United States)
  5. Chinese Academy of Sciences, Beijing (China)
  6. University of Strathclyde, Glasgow (United Kingdom); STFC Rutherford Appleton Lab., Oxfordshire (United Kingdom)
  7. Shanghai Jiao Tong University, Shanghai (China)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1214815
Grant/Contract Number:  
AC04-94AL85000
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 113; Journal Issue: 18; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 36 MATERIALS SCIENCE

Citation Formats

MacLellan, D.  A., Carroll, D.  C., Gray, R.  J., Booth, N., Burza, M., Desjarlais, M.  P., Du, F., Neely, D., Powell, H.  W., Robinson, A.  P. L., Scott, G.  G., Yuan, X.  H., Wahlström, C. -G., and McKenna, P. Tunable mega-ampere electron current propagation in solids by dynamic control of lattice melt. United States: N. p., 2014. Web. doi:10.1103/PhysRevLett.113.185001.
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MacLellan, D.  A., Carroll, D.  C., Gray, R.  J., Booth, N., Burza, M., Desjarlais, M.  P., Du, F., Neely, D., Powell, H.  W., Robinson, A.  P. L., Scott, G.  G., Yuan, X.  H., Wahlström, C. -G., & McKenna, P. Tunable mega-ampere electron current propagation in solids by dynamic control of lattice melt. United States. https://doi.org/10.1103/PhysRevLett.113.185001
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MacLellan, D.  A., Carroll, D.  C., Gray, R.  J., Booth, N., Burza, M., Desjarlais, M.  P., Du, F., Neely, D., Powell, H.  W., Robinson, A.  P. L., Scott, G.  G., Yuan, X.  H., Wahlström, C. -G., and McKenna, P. Fri . "Tunable mega-ampere electron current propagation in solids by dynamic control of lattice melt". United States. https://doi.org/10.1103/PhysRevLett.113.185001. https://www.osti.gov/servlets/purl/1214815.
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@article{osti_1214815,
title = {Tunable mega-ampere electron current propagation in solids by dynamic control of lattice melt},
author = {MacLellan, D.  A. and Carroll, D.  C. and Gray, R.  J. and Booth, N. and Burza, M. and Desjarlais, M.  P. and Du, F. and Neely, D. and Powell, H.  W. and Robinson, A.  P. L. and Scott, G.  G. and Yuan, X.  H. and Wahlström, C. -G. and McKenna, P.},
abstractNote = {The influence of lattice-melt-induced resistivity gradients on the transport of mega-ampere currents of fast electrons in solids is investigated numerically and experimentally using laser-accelerated protons to induce isochoric heating. Tailoring the heating profile enables the resistive magnetic fields which strongly influence the current propagation to be manipulated. This tunable laser-driven process enables important fast electron beam properties, including the beam divergence, profile, and symmetry to be actively tailored, and without recourse to complex target manufacture.},
doi = {10.1103/PhysRevLett.113.185001},
journal = {Physical Review Letters},
number = 18,
volume = 113,
place = {United States},
year = {Fri Oct 31 00:00:00 EDT 2014},
month = {Fri Oct 31 00:00:00 EDT 2014}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1103/PhysRevLett.113.185001
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Cited by: 8 works
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Figures / Tables:

FIG. 1 FIG. 1: (a) Schematic illustrating the experiment arrangement. Sheath-accelerated protons produced by the interaction of a pulse (200 J, 10 ps) from beam 1 with a 20 μm-thick Au foil are used to preheat and induce lattice melt in a 200 μm-thick Si target. Pulses (60 J, 1 ps) frommore » beam 2 are used to drive fast electron generation and transport within the Si sample. (b) Experimentally measured proton spectrum produced by beam 1. The inset shows the proton beam divergence half-angle (Θ1/2) as a function of energy.« less
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    Works referencing / citing this record:

    Influence of low-temperature resistivity on fast electron transport in solids: scaling to fast ignition electron beam parameters
    journal, April 2015

    Role of lattice structure and low temperature resistivity in fast-electron-beam filamentation in carbon
    journal, November 2015

    Energy absorption and coupling to electrons in the transition from surface- to volume-dominant intense laser–plasma interaction regimes
    journal, May 2020

    Energy absorption and coupling to electrons in the transition from surface- to volume-dominant intense laser–plasma interaction regimes
    text, January 2020

    • Williamson, S. D. R.; Gray, R. J.; King, M.
    • GSI Helmholtzzentrum fuer Schwerionenforschung, GSI, Darmstadt
    • DOI: 10.15120/gsi-2020-00920
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