Publications

Articles whose publishers permit self-archiving of papers are available for download. For any article that is password protected, please contact me for an electronic copy.

2025

• Dimensionality-Controlled Confinement Effects for Tunable Optoelectronic Properties in Quasi-1D Hybrid Perovskites

  Yi Xie, Jack Morgenstein, Kameron R. Hansen, Heshan Hewa-Walpitage, Carter M. Shirley, Purusharth Amrut, … Trigg Randall^‡, Levi Homer^‡, Garrett Davis^‡, … John S. Colton, … (10 other authors)

  ACS Nano 19 (13), 12895-12909 (2025).
  

2024

• Two-Dimensional Metal Halide Perovskites: A Machine-Generated Literature Overview

  John S. Colton and Kameron R. Hansen

  Springer, (2024)
  
• Stochastic Charge-Transfer Excitons in 2D Metal-Halide Perovskites

  Kameron R. Hansen, C. Emma McClure^‡, Mary Alice Parker, Zhuyun Xie, Wanyi Nie, John S. Colton, and Luisa Whittaker-Brooks

  ACS Energy Lett. 9, 1645-1653 (2024).
  

2023

• Measuring the Exciton Binding Energy: Learning from a Decade of Measurements on Halide Perovskites and Transition Metal Dichalcogenides

  Kameron R. Hansen, John S. Colton, and Luisa Whittaker-Brooks

  Adv. Opt. Mater., 2301659 (2023).
  
• Mechanistic origins of excitonic properties in 2D perovskites: Implications for exciton engineering

  Kameron R. Hansen, Cindy Y. Wong, C. Emma McClure^‡, Blake Romrell^‡, Laura Flannery, Daniel Powell, … Michele Eggleston^‡, Daniel J. King^‡, Carter M. Shirley^‡, … John S. Colton, … (6 other authors)

  Matter 6 (10), 3463-3482 (2023).
  
• Improving performance in upper-division electricity and magnetism with explicit incentives to correct mistakes

  Andrew J. Mason, Jessica M. McCardell, Philip A. White, and John S. Colton

  Phys. Rev. Phys. Educ. Res. 19 (2), 020104 (2023).
  
• Ruddlesden–Popper Perovskite Alloys: Continuous and Discontinuous Tuning of the Electronic Structure

  Kameron R. Hansen^†, Blake Romrell^‡, C. Emma McClure^‡, Michele Eggleston^‡, Alex Berzansky, Jeffrey Wayjer Lin, … and John S. Colton (2 other authors)

  J. Phys. Chem. C 127 (19), 9344-9353 (2023).
  

2022

• Reworking exam problems to incentivize improved performance in upper-division electrodynamics

  Andrew J. Mason and John S. Colton

  Physics Education Research Conference 2022, (Grand Rapids, MI, July 2022), pp. 298-303.
  
• Franz-Keldysh and Stark Effects in Two-Dimensional Metal Halide Perovskites

  Kameron R. Hansen, C. Emma McClure^‡, John S. Colton, and Luisa Whittaker-Brooks

  PRX Energy 1 (1), 013001 (2022).
  
• Low Exciton Binding Energies and Localized Exciton-Polaron States in 2D Tin Halide Perovskites

  Kameron R. Hansen, C. Emma McClure^‡, Daniel Powell, Hao-Chieh Hsieh, Laura Flannery, Kelsey Garden, … Daniel J. King^‡, … John S. Colton, … (4 other authors)

  Adv. Opt. Mater. 10 (9), 2102698 (2022).
  
• Machine Learning to Predict Quasi TE₀₁₁ Mode Resonances in Double-Stacked Dielectric Cavities

  Charles Lewis^‡, Jordan Bryan, Nathan Schwartz^‡, Jonathan Hale^‡, Kane Fanning^‡, and John S. Colton

  IEEE Trans. Microw. Theory Techn. 70 (4), 2135-2146 (2022).
  

2020

• Use of Machine Learning with Temporal Photoluminescence Signals from CdTe Quantum Dots for Temperature Measurement in Microfluidic Devices

  Charles Lewis^‡, James W. Erikson^‡, Derek A. Sanchez^†, C. Emma McClure^‡, Gregory P. Nordin, Troy R. Munro, and John S. Colton

  ACS Appl. Nano Mater. 3 (5), 4045-4053 (2020).
  

2019

• Optical constants of evaporated amorphous zinc arsenide (Zn₃As₂) via spectroscopic ellipsometry

  J. Colter Stewart^‡, Micah N. Shelley^‡, Nathan R. Schwartz^‡, Spencer K. King^‡, Daniel W. Boyce^‡, James W. Erikson^‡, David D. Allred, and John S. Colton

  Opt. Mater. Express 9 (12), 4677-4687 (2019).
  

2018

• Lead sulfide quantum dots inside ferritin: synthesis and application to photovoltaics

  Kameron R. Hansen^‡, J. Ryan Peterson^‡, Alessandro Perego^‡, Micah Shelley^‡, Cameron R. Olsen^‡, Luis D. Perez, Heather L. Hogg^‡, … and John S. Colton (1 other authors)

  Appl. Nanosci. 8 (7), 1687-1699 (2018).
  

2017

• Tuning Ferritin’s band gap through mixed metal oxide nanoparticle formation

  Cameron R Olsen^‡, Jacob S Embley^‡, Kameron R Hansen^‡, Andrew M Henrichsen^‡, J Ryan Peterson^‡, John S Colton, and Richard K Watt

  Nanotechnology 28 (19), 195604 (2017).
  
• Permanganate-based synthesis of manganese oxide nanoparticles in ferritin

  Cameron R Olsen^‡, Trevor J Smith^†, Jacob S Embley^‡, Jake H Maxfield^‡, Kameron R Hansen^‡, J Ryan Peterson^‡, Andrew M Henrichsen^‡, Stephen D Erickson^‡, David C Buck^†, John S Colton, … (1 other authors)

  Nanotechnology 28 (19), 195601 (2017).
  
• Fabrication of Dye-Sensitized Solar Cells Using Native and Non-Native Nanocrystals in Ferritin as the Dye

  Alessandro Perego^‡, Cameron Olsen^‡, J. Ryan Peterson^‡, Kameron Hansen^‡, John S. Colton, and Richard K. Watt

  J. Utah Acad. Sci. 93, 183-194 (2017).
  
• Electron spin coherence of silicon vacancies in proton-irradiated 4H-SiC

  J. S. Embley^‡, J. S. Colton, K. G. Miller^†, M. A. Morris^‡, M. Meehan^‡, S. L. Crossen^‡, … (3 other authors)

  Phys. Rev. B 95 (4), 045206 (2017).
  

2016

• Resonance of Complex Cylindrically Symmetric Cavities Using an Eigenfunction Expansion in Empty Cavity Modes

  Kyle G. Miller^†, Michael Meehan^‡, Ross L. Spencer, and John S. Colton

  IEEE Trans. Magn. 64 (10), 3113-3120 (2016).
  

2015

• The physics of musical scales: Theory and experiment

  Dallin S. Durfee and John S. Colton

  Am. J. Phys. 83 (10), 835-842 (2015).
  
• Evolution of Nano-junctions in Piezoresistive Nanostrand Composites

  R. Adam Bilodeau^†, David T. Fullwood, John Colton, John D. Yeager, Anton E. Bowden, and Tyler Park^†

  Composites Part B 72, 45-52 (2015).
  
• Assemblies composed of oligothiophene-ruthenium complexes bound to CdSe nanoparticles

  Nathan Bair^†, Jared M. Hancock^†, Cameron J. Simonsen^‡, Scott W. Thalman^‡, John S. Colton, Matthew C. Asplund, and Roger G. Harrison

  J. Lumin. 158, 501-509 (2015).
  
• Non-native Co-, Mn-, and Ti-oxyhydroxide nanocrystals in ferritin for high efficiency solar energy conversion

  S. D. Erickson^‡, T. J. Smith^†, L. M. Moses^†, R. K. Watt, and J. S. Colton

  Nanotechnology 26 (1), 015703 (2015).
  

2014

• Tuning the Band Gap of Ferritin Nanoparticles by Co-Depositing Iron with Halides or Oxo-anions

  Trevor Smith^†, Stephen D. Erickson^‡, Catalina Matias Orozco^†, Andrew Fluckiger^†, Lance M. Moses^†, John S. Colton, and Richard K. Watt

  J. Mater. Chem. A 2 (48), 20782-20788 (2014).
  
• Annealing-induced change in quantum dot chain formation mechanism

  Tyler D. Park^†, John S. Colton, Jeffrey K. Farrer, Haeyeon Yang, and Dong Jun Kim

  AIP Advances 4 (12), 127142 (2014).
  
• Growth and temperature dependent photoluminescence of InGaAs quantum dot chains

  Haeyeon Yang, Dong-Jun Kim, John S. Colton, Tyler Park^†, David Meyer^‡, Aaron M. Jones^‡, Scott Thalman^‡, Dallas Smith^‡, Ken Clark^‡, and Steve Brown^‡

  Appl. Surf. Sci. 296, 827-14 (2014).
  
• Sensitive detection of surface- and size-dependent direct and indirect band gap transitions in ferritin

  J. S. Colton, S. D. Erickson^‡, T. J. Smith^†, and R. K. Watt

  Nanotechnology 25 (13), 135703 (2014).
  

2013

• Characterization of Nickel Nanostrand Nanocomposites Through Dielectric Spectroscopy and Nanoindentation

  Michael Koecher^‡, John D. Yeager, Tyler Park^†, David Fullwood, John S. Colton, Nathan Mara, and Nathan Hansen

  Polym. Eng. Sci. 53 (12), 2666-2673 (2013).
  

2012

• Long-lived electron spins in a modulation doped (100) GaAs quantum well

  J. S. Colton, D. Meyer^‡, K. Clark^‡, D. Craft^‡, J. Cutler^‡, T. Park^†, and P. White^‡

  J. Appl. Phys. 112 (8), 084307 (2012).
  
• Universal scheme for measuring the electron T-1 in semiconductors and application to a lightly-doped n-GaAs sample

  J. S. Colton, K. Clark^†, D. Meyer^†, T. Park^†, D. Smith^†, and S. Thalman^†

  Solid State Commun. 152 (5), 410-413 (2012).
  

2010

• Nuclear effects in Kerr rotation-detected magnetic resonance of electrons in GaAs

  B. Heaton^‡, J. S. Colton, D. N. Jenson^‡, M. J. Johnson^‡, and A. S. Bracker

  Solid State Commun. 150 (5-6), 244-247 (2010).
  

2009

• Resonant microwave cavity for 8.5-12 GHz optically detected electron spin resonance with simultaneous nuclear magnetic resonance

  J. S. Colton and L. R. Wienkes

  Rev. Sci. Instrum. 80 (3), 035106 (2009).
  

2007

• Anomalous magnetic field dependence of the T-1 spin lifetime in a lightly doped GaAs sample

  J. S. Colton, M. E. Heeb, P. Schroeder, A. Stokes, L. R. Wienkes, and A. S. Bracker

  Phys. Rev. B 75 (20), 205201 (2007).
  

2005

• Spin lifetime measurements in semiconductors,”

  J. S. Colton, L. R. Wienkes^‡, and M. E. Heeb^‡

  15th Annual Wisconsin Space Conference, (Aug 2005, Madison, WI).
  

2004

• Dependence of optically oriented and detected electron spin resonance on donor concentration in n-GaAs

  J. S. Colton, T. A. Kennedy, A. S. Bracker, J. B. Miller, and D. Gammon

  Solid State Commun. 132 (9), 613-616 (2004).
  
• Microsecond spin-flip times in n-GaAs measured by time-resolved polarization of photoluminescence

  J. S. Colton, T. A. Kennedy, A. S. Bracker, and D. Gammon

  Phys. Rev. B 69 (12), 121307 (2004).
  

2003

• Long coherence times at 300 K for nitrogen-vacancy center spins in diamond grown by chemical vapor deposition

  T. A. Kennedy, J. S. Colton, J. E. Butler, R. C. Linares, and P. J. Doering

  Appl. Phys. Lett. 83 (20), 4190-4192 (2003).
  
• Optically oriented and detected electron spin resonance in a lightly doped n-GaAs layer

  J. S. Colton, T. A. Kennedy, A. S. Bracker, D. Gammon, and J. B. Miller

  Phys. Rev. B 67 (16), 165315 (2003).
  

2002

• Single-qubit operations with the nitrogen-vacancy center in diamond

  T. A. Kennedy, F. T. Charnock, J. S. Colton, J. E. Butler, R. C. Linares, and P. J. Doering

  Phys. Status Solidi B 233 (3), 416-426 (2002).
  
• Spin lifetime measurements in MBE-grown GaAs epilayers

  J. S. Colton, T. A. Kennedy, A. S. Bracker, and D. Gammon

  Phys. Status Solidi B 233 (3), 445-452 (2002).
  

2001

• What determines the emission peak energy of the blue luminescence in highly Mg-doped p-GaN?

  J. S. Colton and P. Y. Yu

  Appl. Phys. Lett. 78 (17), 2500-2502 (2001).
  

2000

• Selectively excited blue luminescence in heavily Mg-doped p-type GaN

  Colton, J. S. and Yu, Peter Y.

  11th International Semiconducting and Insulating Materials
  

1999

• Selective excitation of the yellow luminescence of GaN

  J. S. Colton, P. Y. Yu, K. L. Teo, P. Perlin, E. R. Weber, I. Grzegory, and K. Uchida

  Physica B 273-4, 75-79 (1999).
  
• Selective excitation and thermal quenching of the yellow luminescence of GaN

  J. S. Colton, P. Y. Yu, K. L. Teo, E. R. Weber, P. Perlin, I. Grzegory, and K. Uchida

  Appl. Phys. Lett. 75 (21), 3273-3275 (1999).
  

1998

• An analysis of temperature dependent photoluminescence line shapes in InGaN

  K. L. Teo, J. S. Colton, P. Y. Yu, E. R. Weber, M. F. Li, W. Liu, … (4 other authors)

  Appl. Phys. Lett. 73 (12), 1697-1699 (1998).
  

1992

• Multilayer phase diffraction gratings modeled as a structure in three dimensions

  Douglas P. Hansen ^†, Arturo Reyes-Mena , John R. Colton, Larry V. Knight, and David D. Allred

  Multilayer and Grazing Incidence X-Ray/EUV Optics for Astronomy and Projection Lithography, (July 1992, San Diego, CA). Proc. SPIE 1742, 476 (1992).
  

^‡Undergraduate Student Author

^†Graduate Student Author