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    Superconducting Films

  • High RRR Thin Films of Nb Produced using Energetic Condensation from a Coaxial, Rotating Vacuum Arc Plasma (CED™)”,
    E. Valderrama, C. James, M. Krishnan, X. Zhao, L. Phillips, C. Reece and K. Seo,
    Cryogenic Engineering Conference & International Cryogenic Materials Conference, Washington, CEC-ICMC-11, USA, June 2011. (In press)

  • Very high residual-resistivity ratios of heteroepitaxial superconducting niobium films on MgO substrates",
    M. Krishnan, E. Valderrama, B. Bures, K. Wilson-Elliott, X. Zhao, L. Phillips, Anne-Marie Valente-Feliciano, Joshua Spradlin, C. Reece and K. Seo,
    2011 Supercond. Sci. Technol. 24 115002

  • Mo-Re films for SRF applications”,
    E. Valderrama, C. James, M. Krishnan, X. Zhao, K. Seo, F. A. Stevie and P. Maheshwari,
    Proceedings of 15th International Conference on RF Superconductivity, Chicago, USA(2009), THPO077.

  • Twin Symmetry Texture of Energetically Condensed Niobium Thin Films on Sapphire Substrate (a-plane Al2O3)”,
    X. Zhao, L. Philips, C.E. Reece, K. Seo, M. Krishnan and E. Valderrama,
    Journal of Applied Physics

  • Energetic Condensation of Nb thin films”,
    M. Krishnan, E. Valderrama, C. James, X. Zhao, J. Spradlin, A-M Valente Feliciano, L. Phillips, C. Reece, Z.H. Sung, F.A. Stevie, P. Maheshwari, D. Batchelor,
    Proceedings of 15th International Conference on RF Superconductivity, Chicago, IL, USA (2011), TUIOB01.


    Sources

    Peer reviewed publications

  • Enhancing Neutron Emission from a 500J Plasma Focus by Altering the Anode Geometry and Gas Composition”,
    Brian L. Bures, Mahadevan Krishnan, Robert E. Madden, and Florian Blobner,
    IEEE Trans. Plasma Sci. Vol 39 No 4 pp 667-671 (2010)

  • An Alternative Concept For The Structure Of an X-Ray Emitting Z-Pinch”,
    Philip Coleman, John Thompson, Mahadevan Krishnan, and Brian Bures,
    IEEE Trans. Plasma Sci. Vol 39 No 4 pp 626-630 (2010)

  • Application of an impedance matching transformer to a plasma focus”,
    B. L. Bures, C. James, M. Krishnan and R. Adler,
    Rev. Sci. Instrum. 82, 103506 (2011); doi:10.1063/1.3648117

  • Relationship between Neutron Yield and Macro-scale Pinch Dynamics of a 1.4 kJ Plasma Focus over Hundreds of Pulses”,
    Brian L. Bures, Mahadevan Krishnan and Robert E. Madden,
    IEEE Trans. Plasma Sci. Vol. 39 No 12 pp 3351-3357 (2011) doi: 10.1109/TPS.2011.2170588

  • A Plasma Focus Electronic Neutron Generator”,
    Brian L. Bures, Mahadevan Krishnan and Colt James,
    IEEE Trans. Plasma Sci. (in press, March/April 2012)

  • Conference papers

  • Control of Neutron Yield from a Small Dense Plasma Focus by using Deuterium-Inert Gas Mixtures”,
    B. Bures, Y. Eshaq, and M. Krishnan,
    Proceedings of the 7th International Conference on Dense Z-Pinches. 2008 pp 195-198

  • A Fast Pulsed Neutron Source Driven by a Pulsed Current Transformer”,
    M. Krishnan, B. Bures, J. Thompson, R. Madden and F. Blobner,
    International Topical Meeting on Nuclear Research Applications and Utilization of Accelerators Vienna, Austria 4-8 May 2009 pp 151

  • A fast pulse, high intensity neutron source based upon the dense plasma focus”,
    M. Krishnan, B. Bures, R. Madden, F. Blobner and K. Wilson Elliott,
    Applications of Nuclear Techniques AIP Conference Proceedings 2009

  • A low volgage, high current dense plasma focus using an impedance transformer”,
    B. Bures, M. Krishnan, R. Madden, F. Blobner, K. Wilson-Elliot,
    APS-Division of Plasma Physics Meeting Nov 2-6, 2009 Atlanta, GA

  • Hard X-ray Imaging of a 250 kA Plasma Focus in Inert Gases”,
    B. Bures, M. Krishnan and R. Madden,
    Bulletin of the American Physical Society Vol 55 No 15 pp 93 (2010)

  • Pinch dynamics deduced from terminal current and voltage measurements in a Dense Plasma Focus”,
    Mahadevan Krishnan, Brian Bures and Robert Madden,
    Bulletin of the American Physical Society Vol 55 No 15 pp 93 (2010)

  • Comparison of a ‘Conventional’ vs. a ‘Current Step Up Transformer’ Pulsed Power Unit for a 50 kA Plasma Focus”,
    B. Bures, M. Krishnan, and R. Madden,
    The IEEE International Power Modulator and High Voltage Conference (2010) Session 3O4

  • A Fast Pulsed Neutron Source for Time-of-Flight Detection of Nuclear Materials and Explosives”,
    Mahadevan Krishnan, Brian Bures, Colt James, Robert Madden, Wolfgang Hennig, Dimitry Breus, Stephen Asztalos and Konstantin Sabourov and Stephen Lane,
    Applications of Nuclear Techniques AIP Conference Proceedings 2011 pp 47

  • Dynamics of a Dense Plasma Focus Inferred from Hard X-ray images, Current and Voltage Measurements”,
    Mahadevan Krishnan, Brian Bures, Colt James and Robert Madden,
    Proceedings of the 8th International Conference on Dense Z-Pinches. 2011 (In press)

  • A Fast Pulsed Neutron Source for Time-of-Flight Detection of Nuclear Materials and Explosives”,
    Mahadevan Krishnan, Brian Bures, Colt James, Robert Madden, Wolfgang Hennig, Dimitry Breus, Stephen Asztalos and Konstantin Sabourov and Stephen Lane,
    Proceedings of the 8th International Conference on Dense Z-Pinches. 2011 (In press)

  • Neutron yield, implosion time and energy efficiency from a low energy, high repetition rate plasma focus at the 100 kA level”,
    B. Bures, C. James and M. Krishnan,
    38th Annual International Conference on Plasma Science and the 24th Symposium of Fusion Engineering June 26-30, 2011.

  • Comparison of Implosion Characteristics of Gases in a 1.5 kJ Plasma Focus”,
    B. Bures, M. Krishnan and R. Madden,
    38th Annual International Conference on Plasma Science and the 24th Symposium of Fusion Engineering June 26-30, 2011.

  • Transformer-Based, Repetitive Pulsed Power Driver for a Dense Plasma Focus”,
    C. James, B. Bures, R. Madden, M. Krishnan, and R. Adler,
    18th International Pulsed Power Conference Chicago, IL 2011.

  • A high repetition rate plasma focus for neutron interrogation applications”,
    Brian Bures, Mahadevan Krishnan, Colt James, Robert Madden, Wolfgang Hennig, Dimitry Breus, Stephen Asztalos, Konstantin Sabourov, and Stephen Lane,
    Bulletin of the American Physical Society Vol 56 No 12 pp 194 (2011)

  • A High Repetition Rate Plasma Focus for High Energy Density Plasma Studies”,
    B. L. Bures, M. Krishnan and R. E. Madden,
    Bulletin of the American Physical Society Vol 56 No 12 pp 369 (2011)


    Gas Valves

  • An Alternative Concept For The Structure Of an X-Ray Emitting Z-Pinch”,
    P. Coleman et al.,
    IEEE Trans. Plasma Sci., 38, p. 626-630 (April 2010).

  • Recent Results for Large Diameter Gas Puff Z-pinches at Peak Currents of >3 to <6 MA”,
    P. Coleman et al.,
    6th Int. Conf. Dense Z-Pinches, Oxford, UK 25-28 July 2005, (Invited).
    Also published in AIP Proceedings #808, p. 163-168 (2005).

  • Design of multiple-shell gas nozzles for refurbished Z”,
    M. Krishnan et al.,
    paper presented, at IEEE-ICOPS 2010, Norfolk, VA.