Newsletters

• February 2022

Journal Publications

1. Ligand Assisted Growth of Perovskite Single Crystals with Low Defect Density, Nature Communications, March 2021
   IIRM-URA Collaborator: Jinsong Huang (UNC)
2. Layer number depended ferroelasticity in 2D Ruddlesden-Popper organic-inorganic hybrid perovskites, Nature Communications, February 2021
   IIRM-URA Collaborators: Ju Li (MIT) and Jinsong Huang (UNC)
3. Heterojunction Structures for Reduced Noise in Large Area and Sensitive Perovskite X-ray Detectors, Science Advances, September 2021
   IIRM-URA Collaborators: Jinsong Huang (UNC) and Paul Sellin
4. Digital Electronics in Fibres Enable Fabric-Based Machine-Learning Inference, Nature Communications, June 2021
   IIRM-URA Collaborators: Yoel Fink
5. Ferroelectric HfO2 Memory Transistors with High-κ Interfacial Layer and Write Endurance Exceeding 10^10 Cycles, IEEE Electron Device Letters, July 2021
   IIRM-URA Collaborators: Sayeef Salahuddin
6. Ultrathin Ferroic HfO2-ZrO2 Superlattice Gate Stack for Advanced Transistors, Nature, April 2022
   IIRM-URA Collaborators: Sayeef Salahuddin
7. Regenerative Neural Network for Rotating Scatter Mask Radiation Imaging, Radiation Measurements, April 2020
   IIRM-URA Collaborators: Darren Holland and James Bevins
8. Multi-objective Genetic Algorithm Optimization of a Directionally Sensitive Radiation Detection System using a Surrogate Transport Model, Engineering Applications of Artificial Intelligence, June 2021
   IIRM-URA Collaborators: Darren Holland and James Bevins
9. Strain Engineering in Metal Halide Perovskite Materials and Devices: Influence on Stability and Optoelectronic Properties, Chemical Physics Reviews, July 2021
   IIRM-URA Collaborator: Jinsong Huang (UNC)
10. Demonstration of Energy Resolved γ-Ray Detection at Room Temperature by the CsPbCl₃ Perovskite Semiconductor, American Chemical Society, December 2020
    IIRM-URA Collaborators: Mercouri Kanatzidis and Bruce Wessels (Northwestern)
11. CsPbBr₃ perovskite detectors with 1.4% energy resolution for high energy γ-Rays, Nature Photonics, December 2020
    IIRM-URA Collaborators: Mercouri Kanatzidis (Northwestern), Zhong He (UM), and Bruce Wessels (Northwestern)
12. Excitons in CsPbBr3 Halide Perovskite, Physical Chemistry Letters, September 2021
    IIRM-URA Collaborators: Mercouri Kanatzidis and Bruce Wessels (Northwestern)
13. Study of Annihilation Photon Pair Coincidence Time Resolution Using Prompt Photon Emissions in New Perovskite Bulk Crystals, IEEE Transactions on Radiation and Plasma Medical Sciences, February 2022
    IIRM-URA Collaborators: Mercouri Kanatzidis and Bruce Wessels (Northwestern)
14. Crystal Orientation Dependence of Deep Level Spectra in Proton Irradiated Bulk Ga2O3, Applied Physics Letters, July 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren (UF)
15. Effects of Downstream Plasma Exposure on β Ga2O3 Rectifiers, Solid State Science and Technology, June 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren (UF)
16. Opportunities in Single Event Effects in Radiation Exposed SiC and GaN Power Electronics, Solid State Science and Technology, July 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren (UF)
17. On the Nature of Photosensitivity Gain in Ga2O3 Schottky Diode Detectors: Effects of Hole Trapping by Deep Acceptors, Alloys and Compounds, October 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren (UF)
18. Experimental Estimation of Electron-Hole Pair Creation Energy in β-Ga₂O₃, Applied Physics Letters, June 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren (UF)
19. Radiation Damage in Wide and Ultra Wide Bandgap Semiconductors, Solid State Science and Technology, May 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren (UF)
20. Electron Beam Probing of Non-Equilibrium Carrier Dynamics in 18 MeV Alpha Particle and 10 MeV Proton Irradiated Si Doped β Ga2O3 Schottky Rectifiers, Applied Physics Letters, May 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren (UF)
21. Vertical β-Ga2O3 Schottky Rectifiers with 750 V Reverse Breakdown Voltage at 600K, Physics D: Applied Physics, May 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren (UF)
22. Photosensitivity of Ga₂O₃ Schottky diodes: Effects of deep acceptor traps present before and after neutron irradiation, Applied Physics Letters Materials, October 2020
    IIRM-URA Collaborators: Stephen Pearton and Fan Ren (UF)
23. Design and implementation of floating field ring edge termination on vertical geometry of β-Ga₂O₃ rectifiers, Journal of Vacuum Science an Technology, November 2020
    IIRM-URA Collaborators: Stephen Pearton and Fan Ren (UF)
24. Role of hole trapping by deep acceptors in electron-beam-induced current measurements of β-Ga₂O₃ vertical rectifiers, Journal of Physics D: Applied Physics, October 2020
    IIRM-URA Collaborators: Stephen Pearton and Fan Ren (UF)
25. In Situ Transmission Electron Microscopy Observations of Forward Bias Degradation of Vertical Geometry β-Ga₂O₃ Rectifiers, Solid State Science and Technology, June 2021
    IIRM-URA Collaborators: Aman Haque (PSU), Stephen Pearton (UF), and Fan Ren (UF)
26. Single-Shot, Double-Pulse Determination of the Detonation Energy in Nanosecond-Laser Ablation Using the Blast Model, Optics Letters, September 2021
    IIRM-URA Collaborators: Igor Jovanovic (UM)
27. Millisecond-Long Suppression of Spectroscopic Optical Signals Using Laser Filamentation, Optics Letters, July 2021
    IIRM-URA Collaborators: Igor Jovanovic (UM)
28. Filament-induced breakdown spectroscopy with structured beams, Optics Communications, July 2021
    IIRM-URA Collaborators: Igor Jovanovic (UM)
29. Trace xenon detection in helium environment via laser-induced breakdown spectroscopy, Analytical Atomic Spectrometry, March 2021
    IIRM-URA Collaborators: Igor Jovanovic (UM)
30. Laser ablation spectrometry for studies of uranium plasmas, reactor monitoring, and spent fuel safety, Spectrochimica Acta Part B: Atomic Spectroscopy, March 2021
    IIRM-URA Collaborators: Igor Jovanovic (UM)
31. Filament-induced breakdown spectroscopy signal enhancement using optical wavefront control, Optics Express, November 2020
    IIRM-URA Collaborators: Igor Jovanovic (UM)
32. Domain Generalization by Marginal Transfer Learning, Machine Learning Research, February 2021
    IIRM-URA Collaborators: Clayton Scott

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Conference Presentations

1. Recent Advances in Perovskite-Based Radiation Detectors, IEEE SORMA West, May 2021
   IIRM-URA Collaborators: Paul Sellin
2. Interaction of Ionizing Radiation with Matter University Research Alliance (IIRM-URA), IEEE SORMA West, May 2021
   IIRM-URA Collaborators: Douglas Wolfe
3. Automatic Spectral Identification of Uranium using Laser-Induced Breakdown Spectroscopy and Non-negative Matrix Factorization Machine Learning Techniques, IEEE SORMA West, May 2021
   IIRM-URA Collaborators: Kyle Hartig
4. Latest Crystal Growth Progress of Ce-doped Tl2LiYCl6 Dual Mode Scintillator Detector, IEEE NSS MIC Virtual Conference, October 2021
   IIRM-URA Collaborators: Arnold Burger, Rastgo Hawrami, and Paul Sellin
5. Design and Testing a Regenerative Neural Network for Radiation Imaging, IEEE Nuclear Science and Security Symposium, November 2020
   IIRM-URA Collaborators: Darren Holland and James Bevins
6. Locally Competitive Algorithm for Sparse Radiation Source Imaging, IEEE SORMA West, May 2021
   IIRM-URA Collaborators: Darren Holland, James Bevins, and Azaree Linteruer
7. Effect of Annealing on the Band Alignment of ALD SiO2 on (AlxGa1-x)2O3 for x= 0.2 – 0.65, EMC Annual Meeting, June 2020
   IIRM-URA Collaborators: Steve Pearton and Fan Ren
8. Effect of Contact Geometry on Forward Bias Failure in β-Ga2O3 Schottky Rectifiers, Xian et al., 62nd EMC Meeting, EMC Annual Meeting, June 2020
   IIRM-URA Collaborators: Steve Pearton and Fan Ren
9. Annealing Effects on the Band Alignment of ALD SiO2 on (InxGa1-x)2O3 for x = 0.25 – 0.74, AIChE Annual Meeting, April 2020
   IIRM-URA Collaborators: Steve Pearton and Fan Ren
10. Consistent Estimation of Identifiable Nonparametric Mixture Models from Grouped Observations, NanoFlorida Conference, September 2020
    IIRM-URA Collaborators: Steve Pearton and Fan Ren
11. Evidence for an Fe-H Complex in Ga2O3, Virtual APS March Meeting, March 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren
12. Hydrogen-related defects in Ga2O3, Virtual APS March Meeting, March 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren
13. In Situ TEM Observation of β-Ga2O3 Schottky Diode Failure, IMECE Virtual Conference, November 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren
14. O-H Centers that Contain Si and Fe Impurities in Ga2O3, International Conference on Defects in Semiconductors, July 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren
15. Analyzing the Polarization Properties of O-H Centers in β-Ga2O3, International Conference on Defects in Semiconductors, July 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren
16. Temperature Dependent Performance of ITO Schottky Contacts on β- Ga2O, AIChE Annual Meeting, AIChE Annual Meeting, November 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren
17. Effect of Downstream Plasma Exposure on Schottky Diodes Fabricated on β-Ga2O3, ECS Annual Meeting, October 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren
18. Band Offsets of Various Dielectrics on Gallium Oxide Based Materials, ECS Annual Meeting, October 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren
19. Exfoliated and Bulk Gallium Oxide Electronic and Photonic Devices, International Conference on Applied Surface Science, July 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren
20. Ga2O3 Schottky Photodiodes: Effects of Holes Trapping on Photosensitivity, International Conference on Applied Surface Science, July 2021
21. Differences in Deep Level Spectra Between Proton Irradiated (010) and (-201) Bulk Ga2O3 Crystals, International Conference on Advanced Electromaterials, July 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren
22. Deep Level Defect States in Ga2O3 Crystals and Films: Impact on Device Performance, International Conference on Advanced Electromaterials, November 2021
    IIRM-URA Collaborators: Steve Pearton and Fan Ren
23. Gas-phase molecular formation in actinide laser-produced plasmas, International Conference on Plasma, December 2020
    IIRM-URA Collaborators: Igor Jovanovic
24. Elucidation of laser ablation plasma plume dynamics and chemistry, SciX Conference, October 2021
    IIRM-URA Collaborators: Kyle Hartig
25. Large Area Polycrystalline Perovskite X-ray Detectors, IEEE NSS MIC Conference, October 2021
    IIRM-URA Collaborators: Paul Sellin
26. Vibrational Properties of Oxygen-Hydrogen Centers in H+- and D+-Implanted Ga2O3
27. Learning from Label Proportions: A Mutual Contamination Framework
    IIRM-URA Collaborators: Clayton Scott (UM)
28. Gas-phase molecular formation in actinide laser-produced plasmas
    IIRM-URA Collaborators: Igor Jovanovic (UM)
29. Production of High-power Ultrashort Pulses in the Long-wave Infrared Range
    IIRM-URA Collaborators: Igor Jovanovic (UM)