Christen Tharwat | Experimental methods | Best Researcher Award

Dr. Christen Tharwat | Experimental methods | Best Researcher Award

Researcher at National Research Centre | Egypt

Christen Tharwat is a Postdoctoral Researcher specializing in plasmonic gas sensors, graphene-based sensors, and nanotechnology for biomedical applications. With a strong academic foundation from Cairo University, he has made notable contributions in nanoparticle synthesis and environmental applications. He is recognized for his work on magnetic nanoparticles and their uses in areas such as wastewater treatment and biomedical applications. Tharwat is also actively involved in academic writing, proofreading, and manuscript submissions, further enhancing his impact in the scientific community.

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Early Academic Pursuits 🎓

Christen Tharwat’s academic journey began at Cairo University, where he obtained a Bachelor’s degree in Physics & Chemistry in 2010, followed by a Master of Science in Physics in 2014. His master’s research was centered on laser treatment of Ti-Ni alloys coated with hydroxyapatite/silver nanoparticles for biomedical applications. Tharwat then pursued a PhD in Physics at the National Institute of Laser Enhanced Sciences, Cairo University, focusing on the construction of optical sensors for environmental applications. His early academic work laid the groundwork for his extensive research in nanotechnology.

Professional Endeavors 💼

Tharwat’s professional career spans both research and teaching. As a Postdoctoral Fellow, he is engaged in cutting-edge work on plasmic gas sensors and graphene-based sensors, contributing significantly to the sensor technology field. His research at the National Research Centre, Egypt, and the American University in Cairo has equipped him with diverse expertise in nanomaterial synthesis and their industrial applications. Furthermore, his freelance academic writing and proofreading have helped him hone his skills in articulating complex scientific ideas for academic audiences.

Contributions and Research Focus 🔬

Tharwat’s research has been pivotal in advancing nanotechnology across various domains. His work on magnetic nanoparticles and their size dependence for biomedical applications has practical implications for drug delivery and bioimaging. Additionally, his work on nanoparticles for wastewater treatment demonstrates his commitment to environmental sustainability. His laser treatment techniques for biomedical alloys further underscore his contributions to improving healthcare technologies. Tharwat’s focus on graphene and plasmic gas sensors indicates his strong involvement in future-oriented research that addresses environmental and industrial challenges.

Impact and Influence 🌍

Tharwat has had a substantial impact on both the academic and industrial sectors. His work on magnetic nano-crystals for bioimaging has expanded the potential for more effective medical diagnostics, while his contributions to wastewater treatment provide practical solutions to environmental pollution. The development of optical sensors for environmental monitoring has contributed to better understanding and control of environmental hazards. Furthermore, his international collaborations with institutions like the Université de Picardie Jules Verne, France, have enhanced the global applicability of his research.

Academic Citations and Research Skills 📚

Tharwat has authored numerous peer-reviewed journal papers and presented his findings at international conferences. His publications include studies on magnetic nanoparticles, nanoflowers for dye removal, and silicon-based nanostructures. His research in nanomaterials and nanostructures has been cited across multiple disciplines, highlighting the versatility and impact of his work. Additionally, his proficiency in synthesizing nanoparticles, sensor fabrication, and surface modifications speaks to his technical expertise and innovation in experimental methods.

Teaching Experience 🧑‍🏫

Tharwat’s academic career also includes a strong teaching role, where he has trained and mentored undergraduate students in Solid State Physics at institutions like the American University in Cairo. His work in academic mentoring and research assistance has influenced the next generation of scientists, guiding students through complex lab equipment and research techniques. Tharwat’s ability to explain cutting-edge concepts in nanotechnology and sensor development makes him a valuable educator.

Awards and Honors 🏅

Tharwat has received recognition for his work in both academic research and innovation. He is the co-holder of international patents in nanotechnology, including one for nanoalloys for wastewater treatment and another for coated magnetic nano-crystals for bioimaging. His contributions to the field of nanomaterials have led to multiple conference papers and journal publications, earning him a prominent place among young researchers in nanotechnology and material science.

Legacy and Future Contributions 🔮

Christen Tharwat’s research legacy will likely be marked by his advancements in sensor technologies and his contributions to environmental sustainability and biomedical applications. As his work in graphene-based sensors and nanomaterial synthesis continues to evolve, he is well-positioned to shape future research in these critical areas. Moving forward, his ongoing postdoctoral work will likely focus on next-generation sensor devices and environmental monitoring systems, ensuring that his research continues to have a lasting impact on both scientific and industrial landscapes. His vision for the future includes collaborative research that bridges nanotechnology with environmental and healthcare solutions.

Publications Top Notes

Photo-degradation of water and food pathogens using cheap handheld laser

  • Authors: S Mohamed, C Tharwat, A Khalifa, Y Elbagoury, H Refaat, SF Ahmed, …
    Journal: High-Power Laser Materials Processing: Applications, Diagnostics, and …
    Year: 2025

Single step MACE for SiNWs fabrication with (Au & Ag) metals

  • Authors: A Khalifa, AAM Ahmed, C Tharwat, M El Koddosy, MA Swillam
    Journal: Nanoscale and Quantum Materials: From Synthesis and Laser Processing to …
    Year: 2025

Effect of ZnO/EAF slag doping on removal of methyl red dye (MR) from industrial waste water

  • Authors: C Tharwat, D. A. Wissa, Nadia F. Youssef
    Journal: Scientific Reports
    Year: 2024

Fabrication of crystalline silicon nanowires coated with graphene from graphene oxide on amorphous silicon substrate using excimer laser

  • Authors: MAS C Aziz, MA Othman, A Amer, ARM Ghanim
    Journal: Heliyon
    Year: 2024

CW laser beam-based reduction of graphene oxide films for gas sensing applications

  • Authors: C Tharwat, Y Badr, SM Ahmed, IK Bishay, MA Swillam
    Journal: Optical and Quantum Electronics
    Year: 2024

 

 

Aleksandr Sipatov | Experimental methods | Best Researcher Award

Prof. Aleksandr Sipatov | Experimental methods | Best Researcher Award

Professor at National Technical Univercity “Kharkiv Polytechnic Institute” | Ukraine

Dr. Alexander Yurievich Sipatov is a distinguished Professor in the Metal and Semiconductor Physics Department at the National Technical University “Kharkov Polytechnic Institute” (KPI), Ukraine. Born on March 21, 1957, in Nizhny Novgorod, Russia, Dr. Sipatov has had a long and illustrious career spanning over several decades in the field of semiconductor physics and nanostructures. His work has made notable contributions to the development of quantum effects and the exploration of superconductivity and thermoelectric properties in semiconductor multilayer nanostructures.

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Early Academic Pursuits 🎓

Dr. Sipatov’s academic journey began at the National Technical University “Kharkov Polytechnic Institute” (KPI), where he earned his Engineer-Physicist degree in 1980. He pursued postgraduate studies at KPI, completing his Ph.D. in 1986 and later achieving the title of Doctor of Science in 2007. Between 1995 and 1998, Dr. Sipatov was awarded a Postdoctoral stipend to further hone his expertise and research skills. His academic achievements laid the foundation for a highly successful career in semiconductor physics.

Professional Endeavors 💼

Dr. Sipatov’s professional career at KPI began in 1980 as an Engineer, and his role rapidly evolved over the years. He served as a Junior Researcher from 1983 to 1990, a Researcher from 1990 to 1992, and as a Senior Researcher from 1992 to 1995 and 1998 to 2007. His increasing responsibilities and leadership roles included becoming a Leading Researcher from 2007 to 2012 and the Head of the Technical Cryophysics Department at KPI from 2012 to 2020. Since 2020, he has held the position of Professor at KPI, where he continues to contribute significantly to both teaching and research.

Contributions and Research Focus 🔬

Dr. Sipatov’s research focuses on the growth, structure, and electronic, optic, magnetic, and thermoelectric properties of semiconductor multilayer nanostructures, particularly chalcogenides of elements such as lead (Pb), tin (Sn), bismuth (Bi), europium (Eu), and ytterbium (Yb). His studies have led to several groundbreaking discoveries, including:

  1. Energy Spectrum Quantization in thin films, notably in PbS films and PbS-EuS superlattices, identified by shifts in the photoluminescence edge.
  2. Resonant Tunneling phenomena observed through negative differential resistance in PbS-EuS double barrier tunneling structures.
  3. The discovery of superconductivity in IV-VI superlattices, with Tc values between 3-6 K.

Currently, Dr. Sipatov is investigating the thermoelectric and magnetic properties of semiconductor thin films and nanostructures, which have important applications in energy efficiency and advanced electronics.

Impact and Influence 🌍

Dr. Sipatov’s work has had a profound impact on quantum physics and the field of nanostructures. His findings have broadened the understanding of quantum effects in semiconductors, contributing to advances in quantum technologies and low-temperature physics. Furthermore, his contributions to superconductivity have opened up new avenues for research in quantum computing and energy-efficient technologies. The interdisciplinary nature of his work positions him as a key figure in nanoscience, with direct implications for industries ranging from electronics to energy storage.

Academic Cites 📚

Dr. Sipatov is a highly published researcher with more than 60 publications in peer-reviewed journals, showcasing his dedication to advancing scientific knowledge. His work is indexed in Scopus (ID: 7004596183), highlighting his significant influence and recognition in the scientific community. His research continues to be cited by scholars worldwide, cementing his reputation as a thought leader in semiconductor physics and nanotechnology.

Research Skills 🔧

Dr. Sipatov possesses a broad range of specialized research skills, including:

  • Material Synthesis and Growth of semiconductor multilayer nanostructures.
  • Expertise in quantum effects such as energy spectrum quantization and resonant tunneling.
  • Advanced techniques for studying superconductivity and the magnetic properties of semiconductor materials.
  • Deep understanding of thermoelectric phenomena and their practical applications.

His expertise in low-temperature physics and nanoelectronics places him at the cutting edge of research in these fields.

Teaching Experience 📖

As a Professor at KPI, Dr. Sipatov has dedicated a significant portion of his career to teaching and mentoring the next generation of scientists and engineers. His leadership as the Head of the Technical Cryophysics Department between 2012 and 2020 provided an invaluable platform for the development of young researchers in the field of semiconductor physics. Through his courses and research supervision, Dr. Sipatov has influenced countless students, shaping the future of material science and nanotechnology.

Legacy and Future Contributions 🔮

Dr. Sipatov’s research legacy lies in his innovative contributions to the understanding of quantum effects in semiconductor nanostructures and superconductivity. His work on thermoelectric and magnetic properties holds the potential to revolutionize energy-efficient technologies and next-generation electronics. Moving forward, his future contributions are likely to focus on advanced materials for quantum computing and renewable energy solutions, continuing to drive progress in sustainable technologies and nanoscience.

Publications Top Notes

Interdiffusion in chalcogenide semiconductor superlattice nanostructures
  • Authors: A.Y. Sipatov, L.E. Konotopsky, E. Moroz, V.V. Volobuev
    Journal: Solid State Communications
    Year: 2025

Quantum interference phenomena and electron – electron interaction in topological insulator Bi2Se3 thin polycrystalline films
  • Authors: O.I. Rogachova, O. Pavlosiuk, A.V. Meriuts, K.V. Novak, D. Kaczorowski
    Journal: Thin Solid Films
    Year: 2022

Growth mechanism, structure and thermoelectric properties of thermally evaporated Bi2(Te0.9 Se01)3 thin films
  • Authors: O.I. Rogachova, S. Kryvonohov, A.G. Fedorov, O.N. Nashchekina, K.V. Novak
    Journal: Functional Materials
    Year: 2022

Effect of aging on thermoelectric properties of the Bi2Te3 polycrystals and thin films
  • Authors: O.I. Rogachova, K.V. Novak, A.N. Doroshenko, T.I. Khramova, S.A. Saenko
    Journal: Functional Materials
    Year: 2021

Size effects and thermoelectric properties of Bi0.98Sb0.02 thin films
  • Authors: O.I. Rogachova, K.V. Novak, D.S. Orlova, O.N. Nashchekina, G.V. Lisachuk
    Journal: Journal of Thermoelectricity
    Year: 2020