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Semiconductor and Material Spectroscopy Laboratory
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Publications

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GaN and InGaN nanowires prepared by metal-assisted electroless etching: Experimental and theoretical studies
Year: 2020
Authors: SA Aravindh, B Xin, S Mitra, IS Roqan, A NajarResults in Physics 19
  • GaN and InGaN nanowires prepared by metal-assisted electroless
Identifying Carrier Behavior in Ultrathin Indirect‐Bandgap CsPbX3 Nanocrystal Films for Use in UV/Visible‐Blind High‐Energy Detectors
Year: 2020
Authors: B Xin, N Alaal, S Mitra, A Subahi, Y Pak, D Almalawi, N Alwadai, ..
  • Identifying Carrier Behavior in Ultrathin Indirect‐Bandgap CsPbX3 Nanocrystal Films for Use in UV/Visible‐Blind High‐Energy Detectors
Spin-sensitive ultraviolet light-based device and method
Year: 2020
Authors: IS Roqan - US Patent App. 16/880,004, 2020
Micropump Fluidic Strategy for Fabricating Perovskite Microwire Array-Based Devices Embedded in Semiconductor Platform
Year: 2021
Authors: B Xin, Y Pak, M Shi, S Mitra, X Zheng, OM Bakr, IS Roqan
  • Micropump Fluidic Strategy
Fabrication and optical characterization of GaN waveguides on (−201)-oriented β-Ga2O3
Year: 2018 DOI:https://doi.org/10.1364/OME.8.000088
Authors: Kashif M Awan, Mufasila M Muhammad, Madhavi Sivan, Spencer Bonca, Iman S Roqan, Ksenia Dolgaleva
  • Fabrication and optical characterization of GaN waveguides on (−201)-oriented β-Ga2O3
Highly Stable and Ultrafast Hydrogen Gas Sensor Based on 15 nm Nanogaps Switching in a Palladium–Gold Nanoribbons Array
Year: 2018
Authors: Gun‐Young Jung usin Pak, Yeonggyo Jeong, Naresh Alaal, Hyeonghun Kim, Jeonghoon Chae, Jung‐Wook Min, Assa Aravindh Sasikala Devi, Somak Mitra, Da Hoon Lee, Yogeenth Kumaresan, Woojin Park, Tae‐Wook Kim, Iman S Roqan
  • Highly Stable and Ultrafast Hydrogen Gas Sensor Based on 15 nm Nanogaps Switching in a Palladium–Gold Nanoribbons Array
Enhanced Performance of MoS2 Photodetectors by Inserting an ALD‐Processed TiO2 Interlayer
Year: 2018 DOI:https://doi.org/10.1002/smll.201703176
Authors: Yusin Pak, Woojin Park, Somak Mitra, Assa Aravindh Sasikala Devi, Kalaivanan Loganathan, Yogeenth Kumaresan, Yonghun Kim, Byungjin Cho, Gun‐Young Jung, Muhammad M Hussain, Iman S Roqan
  • Enhanced Performance of MoS2 Photodetectors by Inserting an ALD‐Processed TiO2 Interlayer
Photonics: Enhanced Performance of MoS2 Photodetectors by Inserting an ALD‐Processed TiO2 Interlayer (Small 5/2018)
Year: 2018 DOI:https://doi.org/10.1002/smll.201870022
Authors: Yusin Pak, Woojin Park, Somak Mitra, Assa Aravindh Sasikala Devi, Kalaivanan Loganathan, Yogeenth Kumaresan, Yonghun Kim, Byungjin Cho, Gun‐Young Jung, Muhammad M Hussain, Iman S Roqan
  • Photonics: Enhanced Performance of MoS2 Photodetectors by Inserting an ALD‐Processed TiO2 Interlayer (Small 5/2018)
GaN/AlGaN multiple quantum wells grown on transparent and conductive (-201)-oriented β-Ga2O3 substrate for UV vertical light emitting devices
Year: 2018 DOI:https://doi.org/10.1063/1.5025178
Authors: Idris A Ajia, Y Yamashita, K Lorenz, MM Muhammed, L Spasevski, Dhaifallah Almalawi, J Xu, K Iizuka, Y Morishima, Dalaver H Anjum, Nini Wei, RW Martin, A Kuramata, Iman S Roqan
  • GaN/AlGaN multiple quantum wells grown on transparent and conductive (-201)-oriented β-Ga2O3 substrate for UV vertical light emitting devices
Extremely reduced dielectric confinement in two-dimensional hybrid perovskites with large polar organics
Year: 2018
Authors: Bin Cheng, Ting-You Li, Partha Maity, Pai-Chun Wei, Dennis Nordlund, Kang-Ting Ho, Der-Hsien Lien, Chun-Ho Lin, Ru-Ze Liang, Xiaohe Miao, Idris A Ajia, Jun Yin, Dimosthenis Sokaras, Ali Javey, Iman S Roqan, Omar F Mohammed, Jr-Hau He
  • Extremely reduced dielectric confinement in two-dimensional hybrid perovskites with large polar organics
Tuning the electronic properties of hexagonal two-dimensional GaN monolayers via doping for enhanced optoelectronic applications
Year: 2018 DOI:https://doi.org/10.1021/acsanm.8b01852
Authors: Naresh Alaal, Iman S Roqan
  • Tuning the electronic properties of hexagonal two-dimensional GaN monolayers via doping for enhanced optoelectronic applications
Modification of electronic properties of GaN monolayer by group III-VI dopants: A first-principles study
Year: 2019
Authors: Naresh Alaal, Iman Roqan
  • Modification of electronic properties of GaN monolayer by group III-VI dopants: A first-principles study
Electronic properties of chemically functionalized armchair GaN nanoribbons: A computational study
Year: 2019
Authors: Naresh Alaal, Iman Roqan
  • Electronic properties of chemically functionalized armchair GaN nanoribbons: A computational study
Self-Patterned CsPbBr3 Nanocrystals for High-Performance Optoelectronics
Year: 2019 DOI:https://doi.org/10.1021/acsami.8b17249
Authors: Bin Xin, Yusin Pak, Somak Mitra, Dhaifallah Almalawi, Norah Alwadai, Yuhai Zhang, Iman S Roqan
  • Self-Patterned CsPbBr3 Nanocrystals for High-Performance Optoelectronics
Correction: Analysis on the energetics, magnetism and electronic properties in a 45° ZnO grain boundary doped with Gd
Year: 2019 DOI:https://doi.org/10.1039/C9RA90001B
Authors: Assa Aravindh Sasikala Devi, Iman S Roqan
  • Correction: Analysis on the energetics, magnetism and electronic properties in a 45° ZnO grain boundary doped with Gd
structural and optical properties of InxGa1-xN/GaN epilayers grown on a miscut sapphire substrate
Year: 2019 DOI:10.15406/mseij.2018.02.00056
Authors: Idris A Ajia, SMC Miranda, N Franco, E Alves, K Lorenz, KP O'Donnell, Iman S Roqan
  • structural and optical properties of InxGa1-xN/GaN epilayers grown on a miscut sapphire substrate
Light-Induced Self-Assembly of Cubic CsPbBr3 Perovskite Nanocrystals into Nanowires
Year: 2019 DOI:https://doi.org/10.1021/acs.chemmater.9b00680
Authors: Jiakai Liu, Kepeng Song, Yongwoo Shin, Xin Liu, Jie Chen, Ke Xin Yao, Jun Pan, Chen Yang, Jun Yin, Liang-Jin Xu, Haoze Yang, Ahmed M El-Zohry, Bin Xin, Somak Mitra, Mohamed Nejib Hedhili, Iman S Roqan, Omar F Mohammed, Yu Han, Osman M Bakr
  • Light-Induced Self-Assembly of Cubic CsPbBr3 Perovskite Nanocrystals into Nanowires
Catalyst-Free Vertical ZnO-Nanotube Array Grown on p-GaN for UV-Light-Emitting Devices
Year: 2019 DOI:https://doi.org/10.1021/acsami.9b06195
Authors: Norah Alwadai, Idris A Ajia, Bilal Janjua, Tahani H Flemban, Somak Mitra, Nimer Wehbe, Nini Wei, Sergei Lopatin, Boon S Ooi, Iman S Roqan
  • Catalyst-Free Vertical ZnO-Nanotube Array Grown on p-GaN for UV-Light-Emitting Devices
Three-dimensional band diagram in lateral polarity junction III-nitride heterostructures
Year: 2019 DOI:https://doi.org/10.1364/OPTICA.6.001058
Authors: Wei Guo, Somak Mitra, Houqiang Xu, Moheb Sheikhi, Haiding Sun, Kangkai Tian, Zi-hui Zhang, Haibo Jiang, Iman S Roqan, Xiaohang Li, Jichun Ye
  • Three-dimensional band diagram in lateral polarity junction III-nitride heterostructures
Solar-Blind Self-Powered Photodetector Using Solution-Processed Amorphous Core–Shell Gallium Oxide Nanoparticles
Year: 2019 DOI:https://pubs.acs.org/doi/abs/10.1021/acsami.9b11694
Authors: Somak Mitra, Yusin Pak, Bin Xin, Dhaifallah R Almalawi, Nimer Wehbe, Iman S Roqan
  • Solar-Blind Self-Powered Photodetector Using Solution-Processed Amorphous Core–Shell Gallium Oxide Nanoparticles
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