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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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2005

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The Importance of Accurate Computation of Secondary Electron Emission for Modeling Spacecraft Charging, S. Clerc, John R. Dennison, and C. D. Thomson; 9th Spacecraft Charging Technology Conference

Validation of daylight charging capabilities of the SPARCS code, Sebastien Clerc, Sylvie Brosse, and John R. Dennison; Validation of daylight charging capabilities of the SPARCS code

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The Importance of Accurate Computation of Secondary Electron Emission for Modeling Spacecraft Charging, Sebastien Clerc, JR Dennison, and Clint Thomson; 9th Spacecraft Charging Technology Conference

Measurements of Electricaland Electron Emission Properties of Highly Insulating Materials, John R. Dennison, Jerilyn Brunson, Ryan Hoffman, Jonathon Abbott, Clint Thomson, and Alec Sim; Measurements of Electricaland Electron Emission Properties of Highly Insulating Materials

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State of Utah Space Environment & Contamination Study (SUSpECS) MISSE-6 Payload to Investigate Their Effects on Electron Emission and Resistivity of Spacecraft Materials, John R. Dennison, L. Pearson, L. Davis, J. W. Burns, R. S. Hyde, James S. Dyer, Tina Andrus, Andrew Jay Auman, Jeff Duce, Tim Neilsen, and Rob Leishman; 9th Spacecraft Charging Technology Conference, Epochal Tsukuba, Tsukuba, Japan

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Proposed Modifications to Engineering Design Guidelines Related to Resistivity Measurements and Spacecraft Charging, John R. Dennison, Prasanna Swaminathan, Randy Jost, Jerilyn Brunson, Nelson W. Green, and A. Robb Frederickson; 9th Spacecraft Charging Technology Conference

SUSpECS—State of Utah Space Environment & Contamination Study—MISSE-6, Jeff Duce, Joshua Hodge, Jacob Geddes, Andrew Auman, Sarah Barton, John R. Dennison, Clint Thomson, L. Pearson, L. Davis, J. W. Burns, R. S. Hyde, and James Dyer; SUSpECS—State of Utah Space Environment & Contamination Study—MISSE-6

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Charge Storage Measuremens of Resistivity for Dielectric Samples from the CRRES Internal Discharge Monitor, Nelson W. Green, A. R. Frederickson, and JR Dennison; 9th Spacecraft Charging Technology Conference

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Experimentally Derived Resistivity for Dielectric Samples From the CRRES Internal Discharge Monitor, Nelson W. Green, A. Robb Frederickson, and John R. Dennison; 9th Spacecraft Charging Technology Conference

The Effects of Electron Dose on Electron Emission andCharging in Insulators, Ryan Hoffman, Jonathan Abbott, John R. Dennison, and Sarah Barton; The Effects of Electron Dose on Electron Emission andCharging in Insulators

Shy Drop: A Physics-based Activity for USU Physics Day at Lagoon, Amanda Otterstrom and John R. Dennison; Shy Drop: A Physics-based Activity for USU Physics Day at Lagoon

Pulsed System for Optical Discharge of Thin-film Insulators, Jared Otterstrom and John R. Dennison; Pulsed System for Optical Discharge of Thin-film Insulators

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Evolution of the Electron Yield Curves of Insulators as a Function ofImpinging Electron Fluence and Energy, Alec Sim, John R. Dennison, and Clint Thomson; Proceedings of the 9th Spacecraft Charging Technology Conference

Measurement of Resistivity of Spacecraft Insulators, Shigeyuji Takahashi and John R. Dennison; Measurement of Resistivity of Spacecraft Insulators

2004

Introduction to Scientific Computing: Modern Physics Handbook, Jenette Briggs, John R. Dennison, D. Mark Riffe, N. Nickels, and T. E. Burns; Introduction to Scientific Computing: Modern Physics Handbook, Ver. 2.1

Secondary Electron Emission of Annealed Graphitic Amorphous Carbon: The Role of Evolving Bandgap, Jodie Corbridge, John R. Dennison, and Neal Nickles; Secondary Electron Emission of Annealed Graphitic Amorphous Carbon: The Role of Evolving Bandgap

Electron Emission from Insulating Materials, John R. Dennison; Electron Emission from Insulating Materials

Electron Emission of Insulating Spacecraft Materials, John R. Dennison; Electron Emission of Insulating Spacecraft Materials

Interaction of the Space Environment with Spacecraft Materials, John R. Dennison; Interaction of the Space Environment with Spacecraft Materials

Final Report: Electronic Properties International Space Station Materials, John R. Dennison, C. D. Thomson, Jodie Corbridge, Alec Sim, and Jonathan Abbott; Final Report: Electronic Properties International Space Station Materials

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The Effect of Low Energy Electron and UV/VIS Radiation Aging on the Electron Emission Properties and Breakdown of Thin-film Dielectrics, John R. Dennison, C. D. Thomson, and Alec Sim; Proceedings of the 8th IEEE Dielectrics and Electrical Insulation Society (DEIS) International Conference on Solid Dielectrics (ICSD)

The effect of low energy electron and UV/VIS radiation aging on the electron emission properties and breakdown of thin-film dielectrics, John R. Dennison, C. D. Thomson, and Alec Sim; The effect of low energy electron and UV/VIS radiation aging on the electron emission properties and breakdown of thin-film dielectrics

Measurement of Charge Storage Decay Time and Resistivity of Spacecraft Insulators, Gregory Nath and John R. Dennison; Measurement of Charge Storage Decay Time and Resistivity of Spacecraft Insulators

Health Effects of Low-Level Radiation and the Validity of the Linear No Threshold Hypothesis (LNTH), Michael Nay and John R. Dennison; Health Effects of Low-Level Radiation and the Validity of the Linear No Threshold Hypothesis (LNTH)

Ring Statistics Determined with the Embedded Ring Approach: Anneal Graphitic Amorphous Carbon, Sterling Smith and John R. Dennison; Ring Statistics Determined with the Embedded Ring Approach: Anneal Graphitic Amorphous Carbon

The Embedded Ring Approach Applied to Graphitic Amorphous Carbon, Sterling Smith and John R. Dennison; The Embedded Ring Approach Applied to Graphitic Amorphous Carbon

Vibrational Dynamics Of Annealed Graphitic Amorphous Carbon Using The Embedded Ring Approach, Sterling Smith, JR Dennison, T. E. Doyle, Mark Holtz, and T. Dallas; Bulletin of the American Physical Society

2003

Conducivity Measurements of Thin Film Insulating Spacecraft Materials, Jerilyn Brunson and John R. Dennison; Conducivity Measurements of Thin Film Insulating Spacecraft Materials

Electron Emission and Small Bandgap Semiconductors, Jodie Corbridge and John R. Dennison; Electron Emission and Small Bandgap Semiconductors

Secondary Electron Emission Of Graphtic Carbon Small Bandgap Semiconductors, Jodie Corbridge and John R. Dennison; Secondary Electron Emission Of Graphtic Carbon Small Bandgap Semiconductors

Secondary Electron Emission of Graphtic Carbon Small Bandgap Semiconductors, Jodie Corbridge and John R. Dennison; Secondary Electron Emission of Graphtic Carbon Small Bandgap Semiconductors

Designing and Constructing an Apparatus for Measuring Resistivity of Insulating Spacecraft Materials, Eric Crapo and John R. Dennison; Designing and Constructing an Apparatus for Measuring Resistivity of Insulating Spacecraft Materials

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Effects of Bandgap on Secondary Electron Emission for Graphitic Carbon Semiconductiors, John R. Dennison; Bulletin of the American Physical Society

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Charge Storage, Conductivity and Charge Profiles of Insulators As Related to Spacecraft Charging, John R. Dennison, A. R. Frederickson, and Prasanna Swaminathan; 8th Spacecraft Charging Technology Conference

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Materials Characterization at Utah State University: Facilities and Knowledgebase of Electronic Properties of Materials Applicable to Spacecraft Charging, John R. Dennison, C. D. Thomson, J. T. Kite, V. V. Zavyalov, and Jodie Corbridge; 8th Spacecraft Charging Technology Conference

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Measurement of Conductivity and Charge Storage in Insulators Related to SpacecraftCharging, A. R. Fredrickson and John R. Dennison; Measurement of Conductivity and Charge Storage in Insulators Related to SpacecraftCharging

Measurement of Conductivity and Charge Storage in Insulators Related to Spacecraft Charging, A. R. Fredrickson and John R. Dennison; Measurement of Conductivity and Charge Storage in Insulators Related to Spacecraft Charging

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Secondary Electron Production and Transport Mechanisms by Measurement of Angle-EnergyResolved Cross Sections of Secondary and Backscattered Electrons, Jason Kite and John R. Dennison; 9th Rocky Mountain NASA Space Grant Consortium Symposium

Modeling Science Learning at Utah State University: Physics department takes integrated approach to teaching and learning with Mathcad, Beth Porter and John R. Dennison; Modeling Science Learning at Utah State University: Physics department takes integrated approach to teaching and learning with Mathcad

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Comparison of Classical and Charge Storage Methods for Determining Conductivity of Thin Film Insulators, Prasanna Swaminathan, A. R. Frederickson, John R. Dennison, Alec Sim, J. Brunson, and Eric Crapo; 8th Spacecraft Charging Technology Conference

Electron-Induced Electron Emission of Insulators Using Short-DurationLow-Amplitude Pulsed Sources, C. D. Thomson, V. Zavyalov, and JR Dennison; Bulletin of the American Physical Society

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Instrumentation for Studies of Electron Emission and Charging from Insulators, C. D. Thomson, V. V. Zavyalov, and John R. Dennison; 8th Spacecraft Charging Technology Conference

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Electron Emission Properties of Insulator Materials Pertinent to the International Space Station, C. D. Thomson, V. V. Zavyalov, John R. Dennison, and Jodie Corbridge; 8th Spacecraft Charging Technology Conference

2002

Secondary Electron Emission of Annealed Graphitic Amorphous Carbon, Jodie Corbridge and John R. Dennison; Secondary Electron Emission of Annealed Graphitic Amorphous Carbon

Secondary Electron Emission of Annealed Graphitic Amorphous Carbon, Jodie Corbridge, Neal Nickles, Clint Thomson, Robert Berry, and John R. Dennison; Secondary Electron Emission of Annealed Graphitic Amorphous Carbon

Measurement of Angle-Resolved Secondary Electron Spectra from Solids, R. E. Davies, Jason Kite, and John R. Dennison; Measurement of Angle-Resolved Secondary Electron Spectra from Solids

Ground-based Measurements Simulating Space Environment Interaction of Materials and SEE Spacecraft Charging Materials Database for Spacecraft Charging Modeling, John R. Dennison, Albert Chang, Neal Nickles, C. D. Thomson, Jason Kite, and Robert Davies; Ground-based Measurements Simulating Space Environment Interaction of Materials and SEE Spacecraft Charging Materials Database for Spacecraft Charging Modeling

Database of Electronic Properties of Spacecraft Materials for the NASA SEE Spacecraft Charge Collector Knowledgebase, John R. Dennison, Albert Chang, Neal Nickles, C. D. Thomson, Jason Kite, Robert Davies, Jodie Corbridge, and Carl Ellsworth; Database of Electronic Properties of Spacecraft Materials for the NASA SEE Spacecraft Charge Collector Knowledgebase

Final Report Part II1: Materials Reports, John R. Dennison, W. Y. Chang, Neal Nickles, Jason Kite, C. D. Thomson, Jodie Corbridge, and Carl Ellsworth; Electronic Properties of Materials with Application to Spacecraft Charging

Proposal for Measurements of Charge Storage Decay Time and Resistivity of Spacecraft Insulators, John R. Dennison and Robb Frederickson; Proposal for Measurements of Charge Storage Decay Time and Resistivity of Spacecraft Insulators

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Calculation of Spectral Degradation Due to Contaminant Films on Infrared and Optical Sensors, L. Gamble, John R. Dennison, B. Wood, J. Herrick, and J. S. Dyer; Proceedings of the Society for Optics and Photonics

Experimental Studies of the Secondary Electron Emission Properties of Dielectrics, Clint Thomson, John R. Dennison, and Ralph Curruth; Experimental Studies of the Secondary Electron Emission Properties of Dielectrics

2001

Automation of Ultra High Vacuum Chamber Pumps, Gauges and Valving for the Mitigation of Power Instabilities, Matthew B. Redd and John R. Dennison; Automation of Ultra High Vacuum Chamber Pumps, Gauges and Valving for the Mitigation of Power Instabilities

2000

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Utah State University Ground-based Test Facility for Study of Electronic Properties of Spacecraft Materials, W. Y. Chang, John R. Dennison, Neal Nickles, and R. E. Davies; Proceedings of the 6th Spacecraft Charging Technology Conference

Development of Improved Faraday Cup for Measurements of Charged Particle Energy and Angle-Resolved Cross Sections, Kendall Ford and John R. Dennison; Development of Improved Faraday Cup for Measurements of Charged Particle Energy and Angle-Resolved Cross Sections

A High Resolution Faraday Cup Charged Particle Spectrometer, Jason Kite, Kendall Ford, and John R. Dennison; A High Resolution Faraday Cup Charged Particle Spectrometer

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Instrumentation and Measurement of Secondary Electron Emission for Spacecraft Charging, Neal Nickles and John R. Dennison; Proceedings of the 6th Rocky Mountain NASA Space Grant Consortium Symposium

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Investigation of the First Snapover of Positively Biased Conductors in a Plasma, C. D. Thomson, John R. Dennison, R. E. Davies, D. C. Ferguson, J. T. Galafaro, and B. V. Vayner; Proceedings of the 38th American Institute of Aeronautics and Astronautics Meeting on Aerospace Sciences

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Snapover: Anomalous Plasma Current Collection by Positively Biased Conductors when Surrounded by a Dielectric, Clint Thomson and John R. Dennison; 6th Rocky Mountain NASA Space Grant Consortium Symposium

1999

Using Computer-assisted Mathematics to Enhance Structured Problem-solving Techniques in Physics, John R. Dennison, D. Mark Riffe, and Neal Nickles; Using Computer-assisted Mathematics to Enhance Structured Problem-solving Techniques in Physics

Procurement and characterization of high purity materials for measurement in UHV, Parker Judd and John R. Dennison; Procurement and characterization of high purity materials for measurement in UHV

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Effects of Spacecraft Potential on Secondary Electron Yields in Geosynchronous Orbit, Neal E. Nickles; 5th Rocky Mountain NASA Space Grant Consortium NASA Fellowship Symposium

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The Conductor-Dielectric Junctions in a Low Density Plasma, B. V. Vayner, J. T. Galofaro, D. C. Ferguson, Win de Groot, Clint Thomson, John R. Dennison, and Robert Davies; NASA Technical Memorandum

1998

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Utah State University Ground-based Test Facility for Study ofElectronic Properties of Spacecraft Materials, W. Y. Chang, John R. Dennison, Neal Nickles, and R. E. Davies; Utah State University Ground-based Test Facility for Study ofElectronic Properties of Spacecraft Materials

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Effects of the Evolution of Spacecraft Surfaces on Secondary Electron Emission andSpacecraft Charging, R. E. Davies and John R. Dennison; Proceedings of the 4th Rocky Mountain NASA Space Grant Consortium Fellowship Symposium

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Evolution of secondary electron emission characteristics of spacecraft surfaces: Importance to spacecraft charging, R. E. Davies and John R. Dennison; 6th Spacecraft Charging Technology Conference

A spin Lattice Model for Physisorbed Dipolar Molecules on Ionic Substrates, John R. Dennison, Jason Kite, and T. E. Burns; A spin Lattice Model for Physisorbed Dipolar Molecules on Ionic Substrates

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Applications of Secondary Electron Energy- and Angular-Distributions to Spacecraft Charging, Neal Nickles and R. E. Davies; Proceedings of the 6th Spacecraft Charging Technology Conference

Energy- and Angle-resolved Secondary Electron Cross Sections and Applications to Spacecraft Charging, Neal Nickles, R. E. Davies, and John R. Dennison; Energy- and Angle-resolved Secondary Electron Cross Sections and Applications to Spacecraft Charging

Sample Bias Influence on Angular-Resolved Secondary Electron Emission, Neal Nickles, R. E. Davies, and John R. Dennison; Sample Bias Influence on Angular-Resolved Secondary Electron Emission

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Secondary Electron Emission and Spacecraft Charging, Neal Nickles and John R. Dennison; 4th Rocky Mountain NASA Space Grant Consortium Fellowship Symposium

Problem Solving Tutorial, Neal Nickles, John R. Dennison, D. Mark Riffe, and Beth Porter; Problem Solving Tutorial

A Foundation for the Integration of Mathcad into the Undergraduate Physics Curriculum, D. Mark Riffe, John R. Dennison, and Neal Nickles; A Foundation for the Integration of Mathcad into the Undergraduate Physics Curriculum

1997

Introduction to Scientific Computing: Introductory Physics Handbook, N. Nickles, John R. Dennison, and D. Mark Riffe; Introduction to Scientific Computing: Introductory Physics Handbook

Introduction to Scientific Computing: Modern Physics Handbook, D. Mark Riffe, John R. Dennison, N. Nickels, and T. E. Burns; Introduction to Scientific Computing: Modern Physics Handbook

1996

Amusement Park Physics as a Year-round Tool: A Workshop for Middle and High School Teachers, T. E. Burns, John R. Dennison, Jill Marshall, and Jessica Tams; Amusement Park Physics as a Year-round Tool: A Workshop for Middle and High School Teachers

1995

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Vibrational Dynamics and Structure of Amorphous Carbon Modeled Using the Embedded Ring Approach, T. E. Doyle and John R. Dennison; Physical Review B

1992

Materials for Innovative Light-weight Structures in Space, John R. Dennison, J. Sojka, T. E. Burns, H. Chi, M. Adams, W. Jiang, and J. Humpherys; Materials for Innovative Light-weight Structures in Space

1990

Vibrational Dynamics of Adsorbed Films Using Fourier Transform Infrared Spectroscopy Metal Light Pipe Technique, John R. Dennison, Torsten Will, and W. N. Hansen; Vibrational Dynamics of Adsorbed Films Using Fourier Transform Infrared Spectroscopy Metal Light Pipe Technique

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Corrugation in the nitrogen-graphite potential probed by inelastic neutron scattering, F. Y. Hansen, L. W. Bruch, H. Taub, V. L. Frank, H. J. Lauter, and John R. Dennison; Physical Review Letters

1989

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Nature of Carbon-Carbon Bonding in Evaporated and Ion-Sputtered (Diamondlike) Amorphous Carbon from (e, 2e) Spectroscopy, Chao Gao, Yun Yu Wang, A. L. Ritter, and John R. Dennison; Physical Review Letters

Layer-by-layer Growth of Solid Argon Films on Graphite as Studied by Neutron Diffraction, J. Z. Larese, Q. M. Zhang, L. Passell, J. M. Hastings, JR Dennison, and H. Taub

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Multi-layer Structure of Nitrogen Adsorbed on Graphite, S. K. Wang, J. C. Newton, R. Wang, H. Taub, John R. Dennison, and H. Shechter; Physical Review B

1986

Evidence of a Monolayer Liquid Crystal Phase of Hexane Adsorbed on Graphite, J. C. Newton, John R. Dennison, S. K. Wang, R. Wang, H. Taub, and H. Shechter; Applied Physics Communications

1984

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An Spectrometer for Investigating the Spectral Momentum Density of Thin Films, A. L. Ritter, John R. Dennison, and J. Dunn; Review of Scientific Instruments

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The Spectral Momentum Density of Amorphous Carbon from (e, 2e) Spectroscopy, A. L. Ritter, John R. Dennison, and R. Jones; Physical Review Letters