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The Utah State University Materials Physics Group (MPG) performs state-of-the-art ground-based testing of space environment effects on aerospace materials. These include electrical charging and electron transport properties of both conducting and insulating materials; they emphasize studies of electron emission, conductivity, luminescence, and electrostatic discharge. Our research group consists of faculty, graduate, and undergraduate researchers. Publications and presentations are archived here.
2023
Characterizing the Charging Properties of Lunar Dust is Critical to Mankind Returning to the Moon, Heather Allen and JR Dennison; Utah Research on Capitol Hill
Electron Yield Analysis of Highly Insulating Granular Particles, Heather Allen, Matthew Robertson, Thomas Keaton, and JR Dennison; USU Spring Student Research Symposium
Permittivity of Thin Film Spacecraft Materials, Cameron Egleston, Anh Phan, and JR Dennison; USU Spring Student Research Symposium
The STORIES of Space Project: An Open Source Project Asking, 'Can a Story Change the Way We Explore Space?', Beth Mund, Katie Kempff, Bailey Striepling, Donna Metcalf, Matthew Robertson, Achal Duhoon, and JR Dennison; 37th Annual AIAA/USU Conference on Small Satellites
Effectiveness of Multilayer Graded-Z Forms of Radiation Shielding, Brinley Packer, Achal Duhoon, and JR Dennison; USU Spring Student Research Symposium
Improved Satellite Robustness Through Application of Erosion Resistance and High Emissivity Coatings, Rajeswaran Radhakrishnan, Timothy D. Hall, Danny Liu, Maria Inman, Stephen Snyder, Matthew Robertson, Trace Taylor, and J.R. Dennison
The Significance of Surface Roughness in Electron Yield Data, Christopher Vega, Matthew Robertson, Trace Taylor, Heather Allen, and JR Dennison; American Physical Society Four Corners Meeting
2022
Electron Yield Measurements of Highly Insulating Granular Samples Related to Charging of Lunar Dust, Heather Allen and JR Dennison; USU Fall Undergrad Recruitment Symposium
Permittivity Measurements of Highly-Insulating Materials, Heather Allen, Thomas Keaton, and JR Dennison; Council on Undergraduate Women in Physics
Preparation and Characterization of Highly Insulating Granular Samples for Electron Yield Measurement, Heather Allen, Thomas Keaton, and JR Dennison; USU Student Research Symposium
Electron Yield Measurements of Space Environmental Charging of Lunar Dust, Heather Allen, Thomas Keaton, Matthew Robertson, and JR Dennison; Lunar Surface Innovation Consortium (LSIC) Fall Meeting
Spacecraft Charging Test Considerations for Composite Materials, Allen Andersen, Wousik Kim, JR Dennison, Brian Wood, Todd Schneider, Jason Vaughan, Kenneth H. Wright Jr., Eric Suh, and Joel Schwartz; 16th Spacecraft Charging Technology Conference
Investigating the Color-Changing Properties of Poly-Phenyl Sulfide, Dallen DeWaal, Megan Loveland DeWaal, Heather Allen, and JR Dennison; USU Fall Student Research Symposium
Laboratory Simulations of Simultaneous Reduced Gravity and Ionizing Radiation Environments, Achal Duhoon and JR Dennison; 16th Spacecraft Charging Technology Conference
Simultaneous Simulation of Microgravity and Ionizing Radiation in a Laboratory Environment, Achal Duhoon and JR Dennison; USU Student Research Symposium
A Simple Method for Determining Shallow Charge Distributions in Dielectrics via Pulsed Electroacoustic Measurements, Zachary Gibson and JR Dennison; IOP Conference Series: Materials Science and Engineering
Pulsed Electroacoustic Measurements of Polymers Irradiated With Low Energy Monoenergetic Electrons, Zachary Gibson and JR Dennison; ISMSE/ICPMSE (2022)
Uncertainties of the Pulsed Electroacoustic Method: Peak Positions of Embedded Charge Distributions, Zachary Gibson and JR Dennison; IEEE 4th International Conference on Dielectrics
Effects of Volatile Compounds on Breakdown Field Strength Measurements of Polymers, Megan Loveland DeWaal and JR Dennison; IEEE Conference on Electrical Insulation and Dielectric Phenomena—(CEIDP 2022)
The Role of Water Vapor on Surface Flashovers During Electrostatic Breakdown Testing, Megan Loveland DeWaal and JR Dennison; USU Student Research Symposium
Effects of Exposure to Atmospheric Humidity on Breakdown Field Strength Measurements of Polymers, Megan Loveland DeWaal, Dallen DeWaal, Zachary Gibson, and JR Dennison; USU Fall Student Research Symposium
Passively Emitting Robust Composite Coatings for Space Charge Mitigation Applications, Rajeswaran Radhakrishnan, Danny Liu, Timothy D. Hall, M. Inman, E. J. Taylor, S. T. Snyder, Matthew Robertson, Trace Taylor, and JR Dennison; 36th Annual AIAA/USU Conference on Small Satellites
Effects of Surface Conditions on Electron Yield, Trace Taylor and JR Dennison; Utah Research on Capitol Hill
The Effects of Humidity on the Conductivity Properties of M55J Carbon Composites, Crystal Tingey and JR Dennison; Council on Undergraduate Women in Physics
The Effects of Moisture on the Conductivity of M55J Carbon Fiber Composites, Crystal Tingle, Jordan Lee, and JR Dennison; USU Student Research Symposium
2019
USU Materials Physics Group NASA Missions, JR Dennison
2018
Using Quantile-Quantile Plots to Compare Experimental Apples and Oranges in Physics Labs, Allen Andersen and JR Dennison; AAPT
Wireless Antenna Detection of Electrostatic Discharge Events, Allen Andersen and JR Dennison; SCTC
Wireless Antenna Detection of Electrostatic Discharge Events, Allen Andersen and JR Dennison
Wireless Antenna Detection of Electrostatic Discharge Events, Allen Andersen and JR Dennison; SCTC
Characterization of the Effects of Radiation on Skeletal and Smooth Muscle Cells, Lori Caldwell, Charles Harding, JR Dennison, and Elizabeth Vargis; ASGSR
Parameterization of Secondary and Backscattered Electron Yields for Spacecraft Charging, Justin Christensen, Phil Lundgreen, and JR Dennison; SCTC
Parameterization of Secondary and Backscattered Electron Yields for Spacecraft Charging, Justin Christensen, Phil Lundgreen, and JR Dennison; SCTC
Analysis of Electron Yield Properties of Low-Density Polyethylene, JR Dennison and Jordan Lee; Utah State University Student Research Symposium 2018
Parameterization of Secondary and Backscattered Electron Yields for Spacecraft Charging, JR Dennison, Phil Lundgreen, and Justin Christensen
Real-Time Video Processing of Arcing Events to Determine Coincidence, JR Dennison, Gregory Wilson, Jonh Mojica Decena, and Brian Wood; Fall 2018 Four Corner Section Meeting of the American Physical Society
Real-Time Video Processing of Arcing Events to Determine Coincidence, JR Dennison, Gregory Wilson, Jonh Mojica Decena, and Brian Wood; Four Corner Section Meeting of the American Physical Society
Effects of Acoustic Coupling Layer Electrical Conducitivity on Pulsed Electroacoustic Measurements, Zachary Gibson, JR Dennison, Lee Pearson, Erick Griffiths, and Anthony Pearson; Utah State University Student Research Symposium 2018
Effects of Acoustic Coupling Layer Electrical Conductivity on Pulsed Electroacoustic Measurements, Zachary Gibson, JR Dennison, Lee Pearson, Erick Griffiths, and Anthony Pearson; Student Research Symposium
Effects of Sample Adhesives Acoustic Properties on Spatial Resolution of Pulsed Electroacoustic Measurements, Zachary Gibson, JR Dennison, Lee Pearson, Erick Griffiths, Anthony Pearson, and Virginie Griseri; CEIDP
Analysis of Electron Yield Properties of Low-Density Polyethylene, Jordan Lee and JR Dennison; Utah State University Student Research Symposium 2018
An Analysis of Variations in Published Secondary Electron Yield Measurements of Copper, Phil Lundgreen and JR Dennison; Fall 2018 Four Corner Section Meeting of the American Physical Society
An Analysis of Variations in Published Secondary Electron Yield Measurements of Copper, Phil Lundgreen and JR Dennison; Fall 2018 Four Corner Section Meeting of the American Physical Society
Tests of Radiation Damage Threshold of Raspberry Pi Zerio in LEO Environment for OPAL CubeSat Project, Jonh Mojica Decena, JR Dennison, Brian Wood, Ryan J. Martineau, and Michael J. Taylor; Space Weather Workshop
Radiation Damage Threshold of Satellite COTS Components: Raspberry Pi Zero for OPAL CubeSat, Jonh Mojica Decena, Brian Wood, Ryan J. Martineau, JR Dennison, and Michael Tayor; Student Research Symposium
Radiation Damage Threshold of Satellite COTS Components: Raspberry Pi Zero for OPAL CubeSat, Jonh Mojica Decena, Brian Wood, Ryan J. Martineau, Michael Tayor, and JR Dennison; Utah State University Student Research Symposium 2018
Effects of Radiation on the Electrostatic Discharge of Polymers, Kip Quilter, Megan Loveland, Alexandra Hughlett, and JR Dennison; Fall 2018 Four Corner Section Meeting of the American Physical Society
ELECTRON RANGE COMPUTATIONAL TOOL FOR ARBITRARY MATERIALS OVER A WIDE ENERGY RANGE, Gregory Wilson, Anne C. Starley, and JR Dennison
Secondary Electron Yield Measurements of Carbon Nanotube Forests: Dependence on Morphology and Substrate, Brian Wood, Justin Christensen, Gregory Wilson, JR Dennison, and T. -C. Shen; SCTC
SECONDARY ELECTRON YIELD MEASUREMENTS OF CARBON NANOTUBE FORESTS: DEPENDENCE ON MORPHOLOGY AND SUBSTRATE, Brian Wood, Justin Christensen, Gregory Wilson, T C. Shen, and JR Dennison
2017
Characterizing the Effects of Radiation on Muscle Cells, Lori Caldwell, Charles Harding, JR Dennison, and Elizabeth Vargis
Characterizing the Effects of Radiation on Muscle Cells, Lori Caldwell, Elizabeth Vargis, Charles Harding, and JR Dennison; 33rd Annual Meeting of the American Society for Gravitational and Space Research
Enhanced Test Facility for Survivability and Characterization of Evolving Multiscale Materials in Extreme Plasma Environments, JR Dennison; 2017 Aerospace Materials for Extreme Environments Program Review
USU Space Environment Effects Materials Test Facility Flyer, JR Dennison
Effects of Space Travel on Seed Germination and Viability, Greema Dhiman, Michelle Jung, Andre Nguyen, Shaunda Wenger, Alexander Souvall, JR Dennison, Takuyuki Sakai, Takahiro Shimizu, Yuta Takahashi, Midori Morikawa, Shusuke Okita, Akihiro Nagata, and Toshihiro Kameda; Logan School Board Forum
Reduction of Radiation Effects in Polymers, Alexandra Hughlett, Tyler Kippen, and JR Dennison; USU Student Research Symposium
Measuring the Conductivity of Highly Insulating Materials with Constant Voltage Chamber Modifications, David King
Temperature Dependence of Electrostatic Discharge in Highly Disordered Insulating Polymers, Tyler Kippen, Allen Andersen, and JR Dennison; 2017 National Council on Undergraduate Research
Temperature Dependence of Electrostatic Discharge in Highly Disordered Polymers, Tyler Kippen, Allen Andersen, and JR Dennison; Fall 2017 Four Corner Section Meeting of the American Physical Society
Temperature Dependence of Electrostatic Discharge in Highly Disordered Polymers, Tyler Kippen, Allen Andersen, and JR Dennison; NCUR
Temperature Dependence of Electrostatic Discharge in Highly Disordered Polymers, Tyler Kippen, Allen Andersen, and JR Dennison; American Physical Society Four Corner Section Meeting
Temperature Dependency of Electrostatic Breakdown in LDPE and PEEK, Tyler Kippen, Allen Andersen, and JR Dennison; UCUR
Temperature Dependency of Electrostatic Breakdown in LDPE and PEEK, Tyler Kippen, Allen Andersen, and JR Dennison; Utah Conference on Undergraduate Research (UCUR) Meeting
Microcontroller and Memory Card Survivability in Space Conditions, Windy Olsen and Brian Wood
Electron Yield of a Carbon-composite Nanodielectric, Matthew Robertson, Justin Christensen, Greg Wilson, and JR Dennison; American Physical Society Four Corners Meeting
How the Space Environment Affects Seed Germination and Growth, Alexander Souvall, Gareema Dhiman, Andre Nguyen, Michelle Jung, Astrid Ji, Takayuki Sakai, Takahiro Shimizu, Midori Morikawa, Shusuke Okita, Akihiro Nagata, Shaunda Wenger, Toshihiro Kameda, and JR Dennison; Utah Research on Capitol Hill
CubeSat Space Environments Effects Studied in the Space Survivability Test Chamber, Alexander Souvall, Gregory Wilson, Ben Russon, Katie Gamaunt, and JR Dennison; USU Fall Undergraduate Research Orientation
Myriad Investigations Using the USU Space Survivability Tests Facility, Alex Souvall, Ben Russon, Greg Wilson, Brian Wood, and JR Dennison; Utah NASA Space Grant Consortium Research Symposium
2016
Perspectives on the Distributions of ESD Breakdowns for Spacecraft Charging Applications, Allen Andersen, Krysta Moser, and JR Dennison; 14th Spacecraft Charging Technology Conference
Voltage Ramp-rate Dependence of DC Breakdown in Polymeric Insulators: Physical Models versus Data, Allen Andersen, Krysta Moser, and JR Dennison; IEEE CEIDP
Temporal and Spatial Correlations in Electron-induced Arcs of Adjacent Dielectric Islands, Justin Christensen, JR Dennison, and Justin Dekany; 14th Spacecraft Charging Technology Conference
Absolute Electron Emission Calibration: Round Robin Tests of Au and Polyimide, JR Dennison, Justin Christensen, Clint Thomson, Neal Nickles, Robert E. Davies, Mohamed Belhaj, Kazuhiro Toyoda, Arifur R. Khan, Kazutaka Kawasaki, Shunsuke Inoue, Isabel Montero, Maria E. Davila, and Leandro Olano
Synergistic Models of Electron Emission and Transport Measurements of Disordered SiO2, JR Dennison, Jodie Corbridge Gillespie, Allen Andersen, Amberly Evans Jensen, Gregory Wilson, Justin Dekany, Alec M. Sim, and Ryan Hoffmann; 14th Spacecraft Charging Technology Conference
CubeSat Space Environments Effects Studied in the Space Survivability Test Chamber, JR Dennison, Gregory Wilson, Alex Souvall, Ben Russon, and Katie Gamaunt; 30th Annual AIAA/USU Conference on Small Satellites
UV Degradation Effects: Terrestrial versus Space Environment, Katie Gamaunt, Krysta Moser, Alex Souvall, and JR Dennison; Utah State University Student Research Symposium
High Altitude Dependence of Ionizing Radiation from Cosmic Rays, Zack Gibson, Akihiro Nagata, Midori Morikawa, Takuyuki Sakai, Takahiro Shimizu, Yuta Takahashi, Shusuke Okita, Raul Ramirez, Alexandra Hughlett, Toshihiro Kameda, and JR Dennison; Fall 2016 Joint Meeting of the Four Corner and Texas Sections of the American Physical Society
Relaxation of Radiation Effects on the Optical Transmission of Polymers, Alexandra Hughlett, Tyler Kippen, and J. R. Dennison; American Physical Society Four Corner Section Meeting
Temperature Dependency of Electrostatic Breakdown in LDPE and PEEK, Tyler Kippen, Allen Andersen, and JR Dennison; Fall 2016 Joint Meeting of the Four Corner and Texas Sections of the American Physical Society
Dependence of Electrostatic Field Strength on Voltage Ramp Rate for Spacecraft Materials, Krysta Moser, Allen Andersen, and JR Dennison; 14th Spacecraft Charging Technology Conference
Dependence of Electrostatic Field Strength on Voltage Ramp Rate for Spacecraft Materials, Krysta Moser, Allen Andersen, and JR Dennison; USU Fall Undergraduate Research Orientation
Effects of Voltage Ramp Rates on Electrostatic Field Strength in Highly Disordered Insulating Materials, Krysta Moser, Allen Andersen, and JR Dennison; Utah State University Student Research Symposium
PEA System Modeling and Signal Processing for Measurements of Volume Charge Distributions in Thin Dielectric Films, Lee H. Pearson, JR Dennison, Erick W. Griffiths, and A. C. Pearson; 14th Spacecraft Charging Technology Conference
The Space Survivability Test Chamber, Alex Souvall, Benjamin Russon, Brian Wood, Gregory Wilson, and JR Dennison
Predictive Formula for Electron Range over a Large Span of Energies, Anne C. Starley, Gregory Wilson, Lisa Montierth Phillipps, and JR Dennison; 14th Spacecraft Charging Technology Conference
Predictive Formula for Electron Penetration Depth of Diverse Materials over Large Energy Ranges, Anne C. Starley, Gregory Wilson, Lisa Phillipps, and JR Dennison; USU Fall Undergraduate Research Orientation
Developing a Safe Test System for High-energy Electron Flux Environments Testing, Heather Tippets; Research and Creative Works Conference
2015
The Space Survivability Test Chamber, Katie Gamaunt, Heather Tippets, Alex Souvall, Ben Russon, and JR Dennison; American Physical Society Four Corner Section Meeting
Density of State Models of Steady-State Temperature Dependent Radiation Induced Conductivity, Jodie Corbridge Gillespie and JR Dennison; American Physical Society Four Corner Section Meeting
Dependence of Electrostatic Field Strength on Voltage Ramp Rates for Spacecraft Material, Krysta Moser, Allen Andersen, and JR Dennison; American Physical Society Four Corner Section Meeting
Measurement of Effects of Long Term Ionizing Radiation on High Efficiency Solar Arrays, Ben Russon, Heather Tippets, Gregory Wilson, Katie Gamaunt, Alex Souvall, and JR Dennison; American Physical Society Four Corner Section Meeting
Properties of Spacecraft Materials Exposed to Ionizing Radiation, Alex Souvall, Gregory Wilson, Katie Gamaunt, Ben Russon, Heather Tippets, and JR Dennison; American Physical Society Four Corner Section Meeting
Electron Penetration Range for Diverse Materials, Anne C. Starley, Lisa M. Phillipps, and JR Dennison; Utah State University Student Research Symposium (2015)
Predictive Formula for Electron Range over a Large Span of Energies, Anne C. Starley, Gregory Wilson, Lisa Montierth Phillipps, and JR Dennison; American Physical Society Four Corner Section Meeting
2014
A Dual-defect Model for Predicting Lifetimes for Polymeric Discharges from Accelerated Testing, Allen Andersen and JR Dennison; American Physical Society Four Corner Section Meeting
Breakdown Analysis of Electrostatic Discharge, Sam Hansen, Allen Andersen, and JR Dennison; American Physical Society Four Corner Section Meeting
Methods to Decrease Error in Conductivity Measurements of Highly Disordered Materials, Phil Lundgreen, Justin Dekany, and JR Dennison; Presented at Utah Council for Undergraduate Research, February 28, 2014
Cathodoluminescence Events Coincident with Muon Detection, Kenneth Zia, Justin Dekany, and JR Dennison; American Physical Society Four Corner Section Meeting
2013
Electric Multipole Interactions in an Extended BEG Model, Teresa Burns and JR Dennison; American Physical Society March Meeting 2013
Diverse Light Emissions from Epoxy Due to Energetic Electron Bombardment, Justin Christensen, JR Dennison, and Justin Dekaney; American Physical Society Four Corner Section Meeting, University of Denver, Denver, CO
Comparison of Radiation Induced Conductivities at Low Temperature, JR Dennison, Greg Wilson, Ryan Hoffmann, and Amberly Evans; American Physical Society March Meeting 2013