Department Publications

2020s

2025

46. 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

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

    John S. Colton and Kameron R. Hansen

    Springer, (2024)
    
46. 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

43. 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).
    
44. 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).
    
45. 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).
    
46. 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

39. 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.
    
40. 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).
    
41. 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).
    
42. 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

35. 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).
    

2010s

2019

34. 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

33. 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

32. 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).
    
33. 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).
    
34. 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).
    
35. 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

28. 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

27. The physics of musical scales: Theory and experiment

    Dallin S. Durfee and John S. Colton

    Am. J. Phys. 83 (10), 835-842 (2015).
    
28. 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).
    
29. 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).
    
30. 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

23. 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).
    
24. 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).
    
25. 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).
    
26. 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

19. 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

18. 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).
    
19. 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

16. 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).
    

2000s

2009

15. 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

14. 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

13. 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

12. 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).
    
13. 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

10. 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).
    
11. 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

8. 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).
   
9. 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

6. 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

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

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

   11th International Semiconducting and Insulating Materials
   

1990s

1999

4. 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).
   
5. 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

2. 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

1. 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