Publications

 

2025

  1. C. R. Nallapareddy and T. C. Underwood, “Characterization and control of signal distortion in chirped pulse single-shot terahertz detection,"

    Applied Physics Letters Photonics, vol. 10, 2025.

  1. A. Woodley, E. Horstman, T. C. Underwood, “Magnetohydrodynamic operating regimes of pulsed plasma accelerators for efficient propellant utilization,"

    Journal of Applied Physics, vol. 138, 2025.

  1. Z. D. Feng, A. King, J. Diao, C. Leung, H. Kim, H. Park, G. Henkelman, C. B. Mullins, T. C. Underwood, “Mitigating Surface Deactivation for N2O Abatement Using Plasma Activated Co-reactants,"

    ACS Catalysis, vol. 15, pp. 13970-13984, 2025.

  1. V. S. Subhankar, C. R. Nallapareddy, C. Buddie Mullins, and T. C. Underwood, “Plasma-Enabled Catalytic Design to Upgrade Methane Directly and Limit Coking,"

    ACS Catalysis, vol. 15, pp. 10433-10447, 2025.

  1. C. R. Nallapareddy and T. C. Underwood, “Quantitative single-shot Supercontinuum-Enhanced Terahertz Spectroscopy (SETS),"

    Nature Communications, vol. 16, pp. 5188, 2025.

  1. C. R. Nallapareddy and T. C. Underwood, “What is "efficiency” in plasma chemical processes?,"

    iScience, vol. 28, no. 5, 2025.

2024

  1. A. Woodley, E. Horstman, M. Keidar, T. C. Underwood, “Requirements for air-breathing electric propulsion in low-altitude orbits,”

    Journal of Electric Propulsion, vol. 3, pp. 34, 2024.

  1. H. J. Jiang, T. C. Underwood, J. G. Bell, J. Lei, J. C. Gonzales, L. Emge, L. G. Tadese, M. K. Abd El-Rahman, D. M. Wilmouth, L. C. Brazaca, G. Ni, L. Belding, S. Dey, A. A. Ashkarran, A. Nagarkar, M. P. Nemitz, B. J. Cafferty, D. S. Sayres, S. Ranjan, D. R. Crocker, J. G. Anderson, D. D. Sasselov, G. M. Whitesides, “Mimicking lightning-induced electrochemistry on the early Earth,”

    PNAS, vol. 121, pp. e2400819121, 2024.

  1. C. R. Nallapareddy, T. C. Underwood, “Tailoring vibrational excitation pathways for High-Yield oxidation of methane to methanol,”

    ACS Sustainable Chemistry & Engineering, vol. 12, pp. 9144-9155, 2024.

  1. V. S. Subhankar, K. P. Prathivadi, and T. C. Underwood, “Deflagration thruster for air-breathing electric propulsion in very low Earth orbit,”

    Acta Astronautica, vol. 216, pp. 91-101, 2024.

  1. J. G Bell and T. C. Underwood, “Unconventional and Emerging Approaches to CO2 Reduction,"

    Sustainability, vol. 16, no. 2, p. 713, 2024.

2022

  1. A. Davletshin, T. C. Underwood, and W. Song, “A Bidirectional Soft Diode for Artificial Systems,”

    Advanced Functional Materials, p. 2200658, 2022.

  1. S. V. Kendre, L. Whiteside, T. Y. Fan, J. A. Tracz, G. T. Teran, T. C. Underwood, M. E. Sayed, H. J. Jiang, A. A. Stokes, D. J. Preston, G. M. Whitesides, and M. P. Nemitz, “The Soft Compiler: A Web-Based Tool for the Design of Modular Pneumatic Circuits for Soft Robots,"

    IEEE Robotics and Automation Letters, vol. 7, no. 3, pp. 6060-6066, 2022.

2021

  1. T. C. Underwood, W. M. Riedel, and M. A. Cappelli, “Dual mode operation of a hydromagnetic plasma thruster to achieve tunable thrust and specific impulse,”

    Journal of Applied Physics, vol. 130, no. 13, p.133301, 2021.

  1. R. A. C. Quinones, T. C. Underwood, and M. A. Cappelli, “Tunable surface plasmon resonance in laser-induced plasma spheroids,”

    Plasma Sources Science and Technology, vol. 30, no. 4, 2021.

2020

  1. T. C. Underwood, K. T. K. Loebner, V. A. Miller, and M. A. Cappelli, “Schlieren diagnostic for cinematic visualization of dense plasma jets,”

    Experiments in Fluids, vol. 61, no. 1, p.17, 2020.

2019

  1. T. C. Underwood, V. Subramaniam, W. Riedel, L. L. Raja, and M. A. Cappelli, “Effects of flow collisionality on ELM replication in plasma guns,”

    Fusion Engineering and Design, vol. 144, pp. 97 – 106, 2019.

  1. T. C. Underwood, K. T. K. Loebner, V. A. Miller, and M. A. Cappelli, “Dynamic stabilization of current-driven plasma jets,”

    Scientific Reports, vol. 9, no. 1, p. 2588, 2019.

2018

  1. R. A. C. Quinones, T. C. Underwood, and M. A. Cappelli, “Laser-produced gaseous plasmonic resonators,”

    Physics of Plasmas, vol. 25, no. 11, p. 113501, 2018.

  1. D. R. Biggs, T. C. Underwood, and M. A. Cappelli, “Predictive modeling of plasmas for gaseous plasmonics,”

    Plasma Sources Science and Technology, vol. 27, no. 7, p. 075005, 2018.

  1. V. Subramaniam, T. C. Underwood, L. L. Raja, and M. A. Cappelli, “Computational and experimental investigation of plasma deflagration jets and detonation shocks in coaxial plasma accelerators,”

    Plasma Sources Science and Technology, 2018.

2017

  1. T. C. Underwood, K. T. K. Loebner, and M. A. Cappelli, “A plasma deflagration accelerator as a platform for laboratory astrophysics,”

    High Energy Density Physics, vol. 23, pp. 73 – 80, 2017.

2016

  1. K. T. K. Loebner, T. C. Underwood, T. Mouratidis, and M. A. Cappelli, “Radial magnetic compression in the expelled jet of a plasma deflagration accelerator,”

    Applied Physics Letters, vol. 108, no. 9, p. 094104, 2016.

  1. K. T. K. Loebner, T. C. Underwood, B. C. Wang, and M. A. Cappelli, “Damage morphologies in targets exposed to a new plasma deflagration accelerator for elm simulation,”

    IEEE Transactions on Plasma Science, vol. 44, pp. 1534–1540, Sept 2016.

2015

  1. K. T. K. Loebner, T. C. Underwood, and M. A. Cappelli, “Evidence of branching phenomena in current-driven ionization waves,”

    Physical Review Letters, vol. 115, p. 175001, Oct 2015.

  1. K. T. K. Loebner, T. C. Underwood, and M. A. Cappelli, “A fast rise-rate, adjustable-mass-bit gas puff valve for energetic pulsed plasma experiments,”

    Review of Scientific Instruments, vol. 86, no. 6, p. 063503, 2015.

2013

  1. T. C. Underwood, S. Roy, and B. Glaz, “Physics based lumped element circuit model for nanosecond pulsed dielectric barrier discharges,”

    Journal of Applied Physics, vol. 113, no. 8, p. 083301, 2013.