Prof. Iman S. Roqan Profile

Prof. Iman S. Roqan

at King Abdullah Univ of Science and Technology

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Author

Publications (4)

Proceedings Article | 16 March 2023 Presentation + Paper

Novel P-type wide bandgap manganese oxide quantum dots for self-powered solar-blind deep UV devices

Iman Roqan, Somak Mitra, Norah Alwadai, Hadeel Alamoudi, Zohoor Alharbi, Fatimah Alreshidi, Bin Xin, Yusin Pak

Proceedings Volume 12422, 1242209 (2023) https://doi.org/10.1117/12.2664673

KEYWORDS: Deep ultraviolet, Photodetectors, Quantum devices, Oxides, Manganese, Gallium, Gallium nitride, Wide bandgap semiconductors, Molybdenum, Laser ablation

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Proceedings Article | 5 March 2021 Presentation + Paper

Highly efficient transverse-electric-dominant ultraviolet-C emitters employing GaN multiple quantum disks in AlN nanowire matrix

Ram Chandra Subedi, Jung-Wook Min, Somak Mitra, Kuang-Hui Li, Idris Ajia, Edgars Stegenburgs, Dalaver Anjum, Michele Conroy, Kalani Moore, Ursel Bangert, Iman Roqan, Tien Khee Ng, Boon Ooi

Proceedings Volume 11686, 1168610 (2021) https://doi.org/10.1117/12.2576596

KEYWORDS: Gallium nitride, Quantum efficiency, Aluminum nitride, Nanowires, Ultraviolet radiation, External quantum efficiency, Deep ultraviolet, Quantum wells, Polarization

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Proceedings Article | 13 March 2015 Paper

(¯201) [beta]-Gallium oxide substrate for high quality GaN materials

I. Roqan, M. Muhammed

Proceedings Volume 9364, 93641K (2015) https://doi.org/10.1117/12.2076475

KEYWORDS: Gallium nitride, Raman spectroscopy, Metalorganic chemical vapor deposition, Luminescence, Sapphire, Oxides, Picosecond phenomena, Atomic force microscopy, Optical properties, Light emitting diodes

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Proceedings Article | 28 February 2012 Paper

High pressure annealing of Europium implanted GaN

K. Lorenz, S. M. Miranda, E. Alves, I. Roqan, K. O'Donnell, M. Boćkowski

Proceedings Volume 8262, 82620C (2012) https://doi.org/10.1117/12.906810

KEYWORDS: Annealing, Europium, Gallium nitride, Ions, Doping, Luminescence, Backscatter, Nitrogen, Crystals, Active optics

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