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. UNDER REVIEW: Atomic-scale Ferroic HfO2-ZrO2 Superlattice Gate Stack for Advanced Transistors, April 2021
   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. UNDER REVIEW: Excitons in CsPbBr3 Halide Perovskites
    IIRM-URA Collaborators: Mercouri Kanatzidis and Bruce Wessels (Northwestern)
13. UNDER REVIEW: Study of Annihilation Photon Coincidence Time Resolution in New Perovskite Bulk Crystals
    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. UNDER REVIEW: Single-Shot, Double-Pulse Determination of the Detonation Energy in Nanosecond-Laser Ablation Using the Blast Model
    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)