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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.

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2018

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Simulating Muscle Atrophy due to Microgravity and Ionizing Radiation, Lori Caldwell, Eryn Hanson, Alexandra H. Nelson, Charles Harding, JR Dennison, and Elizabeth Vargis; ASGRS

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Characterizing the Effects of Radiation on Muscle Cells, Lori Caldwell, Charles Harding, Eryn Hanson, JR Dennison, and Elizabeth Vargis

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Characterizing the Effects of Radiation on Muscle Cells, Lori Caldwell, Charles Harding, Eryn Hanson, JR Dennison, and Elizabeth Vargis; IBE

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Characterizing the Effects of Radiation on Muscle Cells, Lori Caldwell, Charles Harding, Eryn Hanson, JR Dennison, and Elizabeth Vargis

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Optical Transmission of Irradiated Optical Filters, JR Dennison, Ashlan Keeler, Brian Wood, and Jonh Mojica Decena; Four Corner Section Meeting of the American Physical Society

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Electron Yield of a Carbon-Composite Nanodielectric, JR Dennison, Matthew Robertson, Gregory Wilson, and Justin Christensen; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Space Environment Effects: Payoffs of UNSGC Research Infrastructure Awards, JR Dennison and Elizabeth Vargis; Utah NASA Space Grant Consortium Annual Meeting

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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

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Charging Effects of High Voltage Probe Pulse on Pulsed Electroacoustic Measurements, Zachary Gibson, JR Dennison, Erick W. Griffiths, Lee Pearson, and Anthony Pearson; Four Corner Section Meeting of the American Physical Society

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Charging Effects of High Voltage Probe Pulse on Pulsed Electroacoustic Measurements, Zachary Gibson, JR Dennison, Lee Pearson, Erick Griffiths, and Anthony Pearson; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Optical Transmission of Irradiated Optical Filters, Ashlan Keeler, JR Dennison, Brian Wood, and Jonh Mojica Decena; Fall 2018 Four Corner Section Meeting of the American Physical Society

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The Effects of Beta Transition on Dielectric Breakdown in LDPE, Tyler Kippen, Allen Andersen, and JR Dennison; Utah State University Student Research Symposium 2018

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Long-Term Stability of Ion-Beam Treated Space Polymers In Geo-Simulated Environment, J Kleiman, Z Iskanderova, C Best, JR Dennison, and Brian Wood; 12th International Conference on Protection of Materials from Space Environment

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Long-Term Stability of Ion-Beam Treated Space Polymers in Geo-Simulated Environment, J Kleiman, Z Iskanderova, L Krishtein, JR Dennison, Brian Wood, and C Best; 12th International Conference on Protection of Materials from Space Environment

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Electron Yield of Low-Density Polyethylene, Jordan Lee and JR Dennison; UCUR

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Electron Yield Properties of Low-Density Polyethylene, Jordan Lee and JR Dennison; UCUR

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Characterizing Vibrationally Induced Damage of Carbon Nanotube Forests, Jordan Lee, Brian Wood, Ashlan Keeler, JR Dennison, and T. -C. Shen; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Characterizing Vibrationally Induced Damage of Carbon Nanotube Forests, Jordan Lee, Brian Wood, Ashlan Keeler, JR Dennison, and T. -C. Shen; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Rectifying Garbage-in Equals Garbage-Out Using a Secondary Electron Yield Materials Database, Phil Lundgreen and JR Dennison; Utah State University Physics Colloquium

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Detection and Classification of High Energy Beta Radiation Induced Damage of Raspberry Pi Zero Intended for OPAL CubeSat, Jonh Mojica Decena, JR Dennison, Brian Wood, Ryan J. Martineau, and Michael Taylor; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Detection and Classification of High Energy Beta Radiation Induced Damage of Raspberry Pi Zero Intended for OPAL CubeSat, Jonh Mojica Decena, Ryan J. Martineau, JR Dennison, Brian Wood, and Michael J. Taylor; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Simulating Microgravity and Space Radiation With a Rotary Cell Culture System (RCCS), Alexandra Nelson, Lori Caldwell, Eryn Hanson, JR Dennison, and Elizabeth Vargis; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Simulating Microgravity and Space Radiation With a Rotary Cell Culture System (RCCS), Alexandra Nelson, Lori Caldwell, Eryn Hanson, JR Dennison, and Elizabeth Vargis; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Electron Yield of Carbon-Composite Nanodielectric, Matthew Robertson, Justin Christensen, Gregory Wilson, and JR Dennison; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Incorporating Electron Range Approximations into Secondary Electron Emission Models, Gregory Wilson; UNSGC

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Electron Yield Measurements of Multilayer Conductive Materials, Gregory Wilson, Matthew Robertson, Jordan Lee, and JR Dennison; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Electron Yield Measurements of Multilayer Conductive Materials, Gregory Wilson, Matthew Robertson, Jordan Lee, and JR Dennison; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Time-Evolved Constant Voltage Conductivity Measurements of Common Spaceborne Polymeric Materials, Brian Wood, David King, and JR Dennison; The 15th Spacecraft Charging Technology Conference

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Characterization of Electron Yield Suppression with Carbon Nanotube Forest Grown on Silicon Substrates, Brian Wood, Jordan Lee, Justin Christensen, Gregory Wilson, JR Dennison, and T. -C. Shen; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Characterization of Electron Yield Suppression with Carbon Nanotube Forest Grown on Silicon Substrates, Brian Wood, Jordan Lee, Gregory Wilson, JR Dennison, and T. -C. Shen; Fall 2018 Four Corner Section Meeting of the American Physical Society

2017

An Enhanced Operational Definition of Dielectric Breakdown for DC Voltage Step-up Tests, Allen Andersen and JR Dennison; 2017 IEEE Conference on Electrical Insulation and Dielectric Phenomena—(CEIDP 2017)

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A New Physical Model for DC Partial Discharge in Polymeric Insulators, Allen Andersen and JR Dennison; American Physical Society March Meeting 2017

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Novel Physical Model for DC Partial Discharge in Polymeric Insulators, Allen Andersen and JR Dennison

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Using Quantile-Quantile Plots to Compare Experimental Apples and Oranges in Physics Labs, Allen Andersen and JR Dennison; Fall 2018 Four Corner Section Meeting of the American Physical Society

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Effects of Temperature and Radiation Dose on Radiation Induced Conductivity, JR Dennison; Sandia National Laboratories: Electronic, Optical and Nano Materials Division

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Effects of Temperature and Radiation Dose on Radiation Induced Conductivity, JR Dennison; Sandia National Laboratories

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Model for Charge Injection with Electron Beams Into Highly Disordered Insulating Materials, JR Dennison

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Model for Charge Injection with Electron Beams into Highly Disordered Insulating Materials, JR Dennison; Bull. American Physical Society

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Of Mice and Materials: Payoffs of UNSGC Research Infrastructure Awards, JR Dennison; Utah NASA Space Grant Consortium Annual Meeting

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Satellite Survivability in a Harsh Space Environment: A Materials Perspective, JR Dennison; Space Dynamics Laboratory (SDL)/USU Lecture Series

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Satellite Survivability in Space: A Materials Perspective, JR Dennison; SDL/USU Technical Lecture Series

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Of Mice and Materials: Payoffs of UNSGC Research Infrastructure Awards, JR Dennison, Kent Hartley, Lisa Phillipps, Justin Dekany, Robert H. Johnson, and James S. Dyer; Utah NASA Space Grant Consortium Annual Meeting

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Pulsed Electro-Acoustic Measurements of Charging and Relaxation in Low Density Polyethylene, Zachary Gibson; Four Corner Section Meeting of the American Physical Society

Pulsed Electro-Acoustic Measurements of Charging and Relaxation in Low Density Polyethylene, Zachary Gibson, Lee Pearson, Erick Griffiths, Anthony Pearson, and JR Dennison; American Physical Society Four Corner Section Meeting

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Reduction of Radiation Effects in Polymers Relaxation of Radiation Effects on the Optical Transmission of Polymers, Alexandra Hughlett, Tyler Kippen, and JR Dennison; SRS

Measuring and Modeling the Conductivity of Highly Insulating Materials, David King, Brian Wood, and JR Dennison; American Physical Society Four Corner Section Meeting

Development of Updated Spacecraft Materials Database for Mitigation of Charging Risk, Phillip Lundgreen and JR Dennison; American Physical Society Four Corner Section Meeting

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Dynamic Secondary Electron Emission in Dielectric/Conductor Mixed Coatings, Leandro Olano, Isabel Montero, Maria E. Davila, and JR Dennison; Mulcopim

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Dynamic secondary electron emission in dielectric/conductor mixed coatings, Leandro Olano, Isabel Montero, María E. Dávila, and JR Dennison; International Workshop on Multipactor, Corona and Passive Intermodulation (MULCOPIM), ESA/ESTEC

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Electron Yield of Challenging Materials: Low Density Polyethylene and Carbon-composite Nanodielectrics, Matthew Robertson, Jordan Lee, and JR Dennison; USU Physics Colloquium

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Electron Yield of Challenging Materials: Low Density Polyethylene and Carbon-Composite Nanodielectrics, Matthew Robertson, Jordan Lee, and JR Dennison; Fall 2017 Utah State University Physics Department Colloquium

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Hemispherical Grid Retarding Field Analyzer Redesign for Secondary Electron Emission Studies, Greg Wilson and JR Dennison; Utah NASA Space Grant Consortium Research Symposium

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Hemispherical Grid Retarding Field Analyzer Redesign for Secondary Electron Emission Studies, Gregory Wilson; Utah NASA Space Grant Consortium

Electron Yield Measurements of Vertically Aligned Multi-Walled Carbon Nanotubes, Brian Wood, JR Dennison, Justin Christensen, and Greg Wilson; American Physical Society Four Corners Meeting

2016

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Perspectives on the Distributions of ESD Breakdowns for Spacecraft Charging Applications, Allen Andersen, Krysta Moser, and JR Dennison

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Plasma Deflection Test Setup for E-Sail Propulsion Concept, Allen Andersen, Jason Vaughn, Todd Schneider, and Ken Wright; Fall 2016 Joint Meeting of the Four Corner and Texas Sections of the American Physical Society

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Temporal and Spatial Correlations in Electron-induced Arcs of Adjacent Dielectric Islands, Justin Christensen, JR Dennison, and Justin Dekany; 14th Spacecraft Charging Technology Conference

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Instrumentation Enhancements for Electron Yield Measurements of Extremely Low-conductivity High-yield Dielectrics, Justin Christensen, Gregory Wilson, and JR Dennison; 22nd Annual Fellowship Symposium Utah NASA Space Grant Consortium

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Validation of Enhanced Electron Yield Measurements of Low-Conductivity, High-Yield Materials, Justin Christensen, Gregory Wilson, and JR Dennison; Utah State University Student Research Symposium

LAM Phase I Review: Charge Storage and Transfer in Thin Film Ceramic Materials, JR Dennison; LAM Research

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Determining Intrinsic Electron Emission Yields of High Resistivity Ceramic Materials, JR Dennison, Justin Christensen, and Justin Dekany; 14th Spacecraft Charging Technology Conference Space Research and Technology Centre of the European Space Agency (ESA/ESTEC)

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Absolute Electron Emission Calibration: Round Robin Tests of Au and Polyimide, JR Dennison, Justin Christensen, Justin Dekany, Clint Thomson, Neal Nickles, Robert E. Davies, Mohamed Belhai, Kazuhiro Toyoda, Arifur R. Khan, Kazutaka Kawasaki, Shunsuke Inoue, Isabel Montero, Maria E. Davila, and Leandro Olano; 14th Spacecraft Charging Technology Conference

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The First Calibration of SBF Using Multi-Conjugate Adaptive Optics, Zachary Gibson, Joseph B. Jenson, John P. Blakeslee, and Mischa Schirmer; 227th American Astronomical Society Conference

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Extremely low secondary electron emission from metal/dielectric particulate coatings, Isabel Montero, L Aguilera, Leandro Olano, María E. Dávila, Luis Galán, JR Dennison, and Gregory Wilson; 14th Spacecraft Charging Technology Conference

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Dependence of Electrostatic Field Strength on Voltage Ramp Rate for Spacecraft Materials, Krysta Moser, Allen Andersen, and JR Dennison; 14th Spacecraft Charging Technology Conference

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PEA System Modeling and Signal Processing for Measurement 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

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Space Environment Effects of Ionizing Radiation on Seed Germination and Growth, Alexander Souvall, JR Dennison, Takayuki Sakai, Yuta Takahashi, Midori Morikawa, Shusuke Okita, Akihiro Nagata, Toshihiro Kameda, and Shaunda Wenger; Four Corner Section Meeting of the American Physical Society

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Space Environment Effects of Ionizing Radiation on Seed Germination and Growth, Alex Souvall, Takuyuki Sakai, Takahiro Shimizu, Yuta Takahashi, Midori Morikawa, Shusuke Okita, Akihiro Nagata, Toshihiro Kameda, Shaunda Wenger, and JR Dennison; Fall 2016 Joint Meeting of the Four Corner and Texas Sections of the American Physical Society

2015

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Comparing Experimental Apples and Oranges with Quantile-Quantile Plots, Allen Andersen and JR Dennison; American Physical Society Four Corner Section Meeting

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Mixed Weibull Distribution Model of DC Dielectric Breakdowns with Dual Defect Modes, Allen Andersen and JR Dennison; 2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena

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Enhanced Electron Yield Measurements of Extremely Low-Conductivity High Yield Dielectrics, Justin Christensen and JR Dennison; American Physical Society Four Corner Section Meeting

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An Overview of the Dynamic Interplay between the Space Environment & Spacecraft Materials, JR Dennison; Laboratory of Spacecraft Environment Interaction Engineering

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Materials at the Atomic Scale: A Key to Exploring the Vast Reaches of Space, JR Dennison; Jet Propulsion Laboratory

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The Role of Space Materials Research in Spacecraft Charging and Satellite Survivability, JR Dennison; JAXA 12th Space Environment Symposium

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Pre-breakdown Arcing as a Proxy for DC Dielectric Breakdown Testing of Polymeric Insulators, JR Dennison and Allen Andersen; 2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena

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Model for Charge Injection with Electron Beams into Highly Disordered Insulating Materials, JR Dennison, Alec M. Sim, and Gregory Wilson; American Physical Society March Meeting 2015

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Radar Detection of Ultra High Energy Cosmic Rays: Searching for Coincident Events with Telescope Array Radar and Surface Detectors, Zachary Gibson, Rasha Abbasi, and John Belz; University of Utah Summer Research Symposium

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Electrical Properties of Annealed and Coated Boron Nitride under Electron Beam Irradiation, Kevin Guerch, Thierry Paulmier, JR Dennison, Justin Dekany, Sophia Guillemet-Fritsch, and Pascal Lenormand; Proceedings of the 13th International Symposium on Materials in the Space Environment

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Influence of Thermal Treatment on Electrical and Physical Properties of Coated Ceramics, K. Guerch, T. Paulmier, Justin Dekany, JR Dennison, S. Guillemet-Fritsch, and P. Lenormand; ISMSE 13

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Dependence of Electrostatic Field Strength on Voltage Ramp Rates for Spacecraft Materials, Krysta Moser, Allen Andersen, and JR Dennison; Utah State University Physics Colloquium

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Electron Penetration Range for Every Body, Anne Starley, Lisa Montierth Phillipps, and JR Dennison; USU Student Research Symposium

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Small Satellite Verification and Assessment Test Facility with Space Environments Effects Ground-testing Capabilities, Eric Stromberg, Crystal Frazier, Lisa Montierth Phillipps, Alex Souvall, JR Dennison, and James S. Dyer; 29th Annual AIAA/USU Conference on Small Satellites

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Calibration of Muon Detector for Coincidence Cathodoluminescence Experiments, Kenneth Zia and JR Dennison; USU Student Research Symposium

2014

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Dual-defect Model of Electrostatic Discharge in Polymeric Dielectrics, Allen Andersen and JR Dennison; Physics Colloquium

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Lifetimes of Polymeric Dielectrics: a Dual-defect Model, Allen Andersen and JR Dennison; American Physical Society Four Corner Section Meeting

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Pre-breakdown Arcing and Electrostatic Discharge in Dielectrics under High DC Electric Field Stress, Allen Andersen and JR Dennison; 2014 IEEE Conference on Electrical Insulation and Dielectric Phenomena

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Electrostatic Discharge and Endurance Time Measurements of Spacecraft Materials: A Defect-Driven Dynamic Model, Allen Andersen, JR Dennison, Alec Sim, and Charles Sim; 13th Spacecraft Charging Technology Conference

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Electrostatic Discharge and Endurance Time Measurements of Spacecraft Materials: A Defect-Driven Dynamic Model, Allen Andersen, JR Dennison, Alec Sim, and Charles Sim; 13th Spacecraft Charging Technology Conference

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Marshall Space Flight Center Arc/flare Test Analysis, Charles Bowers, Bob Meloy, Malcolm Niedner, Jim Heaney, Rudy Ivancic, Dennis Skelton, JR Dennison, Justin Dekany, Amberly Evans Jensen, Gregory Wilson, and Todd Schneider; James Webb Space Telescope Spacecraft Architectural Working Group

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Lessons Learned from the Statistical Analysis of Measurements of the Energetic Electron Bombardment of Epoxy ‘Glue Dots, Justin Christensen, Justin Dekany, and JR Dennison; James Webb Space Telescope Spacecraft Electrical Associated Working Group

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Stochastic Variations of Cathodoluminescent Intensity of Bisphenol/Amine Epoxy Exposed to Energetic Electron Bombardment, Justin Christensen, Justin Dekany, and JR Dennison; Utah State University Student Showcase

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Modeling the Energy Dependent Cathodoluminescent Intensity of a Carbon Composite Material, Justin Christensen, Kelby T. Peterson, Justin Dekany, and JR Dennison; American Physical Society Four Corner Section Meeting

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Density of State Models and Temperature Dependence of Radiation Induced Conductivity, Jodie Corbridge Gillespie, JR Dennison, and Alec M. Sim; 13th Spacecraft Charging Technology Conference

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Variations in Cathodoluminescent Intensity of Spacecraft Materials Exposed to Energetic Electron Bombardment, Justin Dekany, Justin Christensen, JR Dennison, Amberly Evans, Greg Wilson, Todd Schneider, Charles W. Bowers, and Robert H. Meloy; 13th Spacecraft Charging Technology Conference

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Variations in Cathodoluminescent Intensity of Spacecraft Materials Exposed to Energetic Electron Bombardment, Justin Dekany, Justin Christensen, JR Dennison, Amberly Evans Jensen, Gregory Wilson, Todd Schneider, Charles W. Bowers, and Robert Meloy; 13th Spacecraft Charging Technology Conference

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Measurements of Intrinsic Electron Emission Yields of High Resistivity Ceramic Materials, Justin Dekany, JR Dennison, Ryan Carl Hoffmann, Clint D. Thomson, and Ender Savrun; 13th Spacecraft Charging Technology Conference

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Guesstimation: The Art of Getting About the Right Answer, JR Dennison; Gray Matters Seminar Series

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The Dynamic Interplay Between Spacecraft Charging, Space Environment Interactions and Evolving Materials, JR Dennison; 13th Spacecraft Charging Technology Conference

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Synergistic Models of Electron Emission and Transport Measurements of Disordered SiO2, JR Dennison, Justin Dekany, Jodie Corbridge Gillespie, Phil Lundgreen, Allen Andersen, Amberly Evans Jensen, Gregory Wilson, Alec Sim, and Ryan Hoffmann; 13th Spacecraft Charging Technology Conference

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Synergistic Models of Electron Emission and Transport Measurements of Disordered SiO2, JR Dennison, Justin Dekany, Jodie C. Gillespie, Phil Lundgreen, Allen Andersen, Amberly Evans, Greg Wilson, Alec Sim, and Ryan Carl Hoffmann; 13th Spacecraft Charging Technology Conference