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    Article

    On resistive switching and dielectric spectroscopy characteristics of topological insulator-based heterojunction for memory applications

    Herein, bismuth telluride (Bi2Te3) thin films thermally grown under vacuum have been integrated with p-Si in a heterojunction configuration of Au/Bi2Te3/p-Si/Al for resistive switching random-access memory (RRAM)...

    Ahmed M. Nawar, Omar H. Abd-Elkader, Ahmed M. El-Mahalawy, Lotfi Aleya in Applied Physics A (2024)

  2. No Access

    Article

    Optical characterizations of Carmine micro-stain thin films and photovoltaic properties of Carbon/Carmine-μ/p-Si/Al for analog–digital conversion applications

    This experimental work introduces the fast processing of Carmine µ-stain/p-Si(111) Organic/Inorganic interfaces for light-harvesting and photovoltaic applications. The optical constants of Spin-coated Carmine ...

    Ahmed M. Nawar, Suliman A. Alderhami in Journal of Materials Science: Materials in… (2022)

  3. Article

    Open Access

    Efficacy assessment of metalloporphyrins as functional materials for photodetection applications: role of central tetrapyrrole metal ions

    Despite the continued research, it is still not entirely clear how important characteristics of metalloporphyrins are exploited for optoelectronic applications. Consequently, the stimulant aim for this work is...

    Ahmed M. El-Mahalawy, Ahmed M. Nawar, Ahmed R. Wassel in Journal of Materials Science (2022)

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    Article

    Convective self-assembled processed multiwall carbon nanotube thin films for semi-transparent microelectronic applications

    A self-assembled convective setup was utilized to manufacture multiwall carbon nanotube (MWCNTs) thin films at room temperature on glass substrates. The extracted X-ray diffraction patterns revealed that the m...

    Ahmed M. Nawar, I. S. Yahia, M. S. Al-Kotb in Journal of Materials Science: Materials in… (2020)

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    Article

    Heterostructure device based on Brilliant Green nanoparticles–PVA/p-Si interface for analog–digital converting dual-functional sensor applications

    Owing to the growing development of electronics manufacturing in tandem with the need for integration of electronic devices in the smallest size available, the need for multifunctional detectors becomes an ins...

    Ahmed M. Nawar, Ahmed M. El-Mahalawy in Journal of Materials Science: Materials in… (2020)

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    Article

    Analyzed electrical performance and induced interface passivation of fabricated Al/NTCDA/p-Si MIS–Schottky heterojunction

    In this research, the significant role of 1,4,5,8-naphthalenetetracarboxylic-dianhydride, NTCDA, thin film on the Al/p-Si barrier under different temperatures is investigated. The structural and topographical ...

    Ahmed M. Nawar, Mohamed Abd-Elsalam, Ahmed M. El-Mahalawy in Applied Physics A (2020)

  7. No Access

    Article

    Electrical and Photovoltaic Responses of an Au/Coumarin 337/n-Si/Sb-Au Hybrid Organic–Inorganic Solar Cell

    Thin films of coumarin 337 (C-337) dye were fabricated on n-type silicon (111) wafer using a high-vacuum thermal evaporation technique. Investigation of their structure using x-ray diffraction analysis and scanni...

    Ahmed M. Nawar, M. M. Makhlouf in Journal of Electronic Materials (2019)

  8. Article

    Correction to: Fast processed crystalline methyl violet-6B thin films for optimizing the light-harvesting characteristics of Ag/methyl violet 6B/p-Si/Al solar cells

    In the original publication of this article the author noticed some important corrections.

    Ahmed M. Nawar in Applied Physics A (2019)

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    Article

    Fast processed crystalline methyl violet-6B thin films for optimizing the light-harvesting characteristics of Ag/methyl violet 6B/p-Si/Al solar cells

    In the present work, fabrication of crystalline methyl violet 6B thin films with thickness ranging from 95 to 237 nm was aimed and revealed the thermal post-annealing roles (373 K) of structural and optical pr...

    Ahmed M. Nawar in Applied Physics A (2019)

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    Article

    Novel photoconductive Ag/nanostructure ruthenium oxide/p-type silicon Schottky barrier diode by sol–gel method

    A new Schottky photodiode of Ag/RuO2/p-Si/Al was successfully fabricated using spin-coating technique. The ruthenium oxide (RuO2) nanoparticles with an average size of 8 nm were synthesized using a sol–gel method...

    Ahmed A. Al-Ghamdi, Attieh A. Al-Ghamdi in Journal of Sol-Gel Science and Technology (2013)