Tag: Device fabrication

📚 Early Academic Pursuits

Mr. Das laid his academic foundation at Jawahar Navodaya Vidyalayas, where he consistently performed at the top percentile. He completed his B.Sc. in Physics from Govt. Degree College Dharmanagar under Tripura University, followed by a Master’s in Physics from NIT Agartala with distinction (79%). His consistent academic success led him to IIT Patna, where he is pursuing a Ph.D. with a stellar 88.6% score, focusing on flexible polymer nanocomposites for energy harvesting.

🧪 Professional Endeavors

Throughout his doctoral journey, Mr. Das has been a recipient of the prestigious CSIR Junior and Senior Research Fellowships, awarded by the Council of Scientific & Industrial Research (CSIR), Government of India. His research spans piezoelectric, triboelectric, and hybrid nanogenerators, ferroelectric materials, and energy storage devices, with a hands-on approach in both experimental fabrication and device testing.

🔬 Research Focus and Contributions

His Ph.D. thesis titled “Flexible and Multifunctional Polymer Nanocomposite-based Nanogenerator Devices for the Self-powered Sensor Applications” reflects his cutting-edge work in energy harvesting and sensing technologies. With over 15 high-impact peer-reviewed publications, including in Nano Energy (IF: 16.8) and Chemical Engineering Journal (IF: 13.4), he has pioneered multifunctional nanogenerators that power devices without external batteries a leap toward self-sustainable electronics. His interdisciplinary approach, combining magnetic, dielectric, and piezoelectric properties, has also led to research on self-charging supercapacitors, memristors, and optoelectronic devices, along with a submitted patent on radiation therapy films.

🌍 Impact and Influence

Mr. Das’s work has made a visible mark on the field of applied physics and materials engineering, particularly in the domains of wearable electronics, biomedical sensors, and sustainable energy. His research not only demonstrates academic rigor but also emphasizes real-world applications evident through presentations at international conferences like ICONN, MRSI, and AC2MP, where he has received accolades including Best Oral Presentation and 1st Position in Research Communication.

📈 Academic Citations and Visibility

With publications in high-impact journals and ongoing collaborations with senior researchers, Mr. Das’s work is gaining increasing attention in the academic community. Journals such as Nano Energy, Applied Physics Letters, and Chemical Engineering Journal ensure global visibility and citation potential, cementing his status as a rising contributor in nanotechnology research.

🛠️ Research and Technical Skills

Mr. Tupan Das possesses comprehensive expertise in advanced experimental techniques, making him a highly skilled experimentalist in the field of materials science and applied physics. His technical proficiency includes X-ray Diffraction (XRD), Field Emission Scanning Electron Microscopy (FESEM), and Transmission Electron Microscopy (TEM) for structural analysis. He is adept in fabrication techniques like Spin Coating, Electrospinning, and Hydrothermal Synthesis. Additionally, he has hands-on experience with Impedance Analysis, Ferroelectric Loop Tracing, Cyclic Voltammetry, and Planetary Ball Milling. His core strength lies in energy storage and harvesting device fabrication, especially in self-charging supercapacitors and nanogenerators, showcasing his broad technical command.

👨‍🏫 Teaching Experience

As a teaching assistant, Mr. Das has contributed to B.Tech. 1st Year Physics Labs during 2022–2023 and 2023–2024 at IIT Patna. His ability to communicate complex concepts clearly, coupled with a passion for education, makes him an effective mentor and guide to undergraduate students.

🏅 Awards and Honors

Mr. Tupan Das has received multiple prestigious accolades that underscore his scientific excellence, communication skills, and research innovation. He qualified the CSIR-UGC NET JRF with an impressive AIR 323, along with clearing GATE (2021) and IIT JAM (2018) all national-level competitive exams. He earned the Best Oral Presentation Award at AC2MP-2024, IIT Patna, and secured 1st Position in the highly competitive “My Research in 3 Minutes” contest at RSD 2024. Demonstrating innovation, he has also filed a patent on magnetic nanofiber-based radiation therapy films, further solidifying his profile as a dynamic and impactful researcher.

🌐 International Exposure

Mr. Das is selected for the NSTC-IIPP Internship Programme at Ming-Chi University of Technology, Taipei, Taiwan (2024-2025). Here, he will explore hybrid piezo-triboelectric nanogenerators for gas sensing and water harvesting a testament to his global research impact and collaboration.

🧭 Legacy and Future Contributions

Mr. Tupan Das is positioned to become a leading researcher in next-generation energy solutions. His integrated approach to multifunctional nanomaterials aligns with future industrial and healthcare demands, especially in the IoT, wearables, and sustainable technologies domains. With plans to continue in academic research and innovation, he is expected to contribute significantly to India’s scientific and technological self-reliance.

Top Noted Publications

Flexible Piezoelectric Nanogenerator as a Self-charging Piezo-supercapacitor for Energy Harvesting and Storage Application

Authors: T. Das, S. Tripathy, A. Kumar, and M. Kar
Journal: Nano Energy
Year: 2025

The MnAl-alloy nanoparticles incorporated PVDF-based piezoelectric nanogenerator as a self-powered real-time pedometer sensor

Authors: T. Das, S. N. Rout, A. Dev, and M. Kar
Journal: Applied Physics Letters
Year: 2024

Double perovskite-based wearable ternary nanocomposite piezoelectric nanogenerator for self-charging, human health monitoring and temperature sensor

Authors: T. Das, M. K. Yadav, A. Dev, and M. Kar
Journal: Chemical Engineering Journal
Year: 2024

Multi-functional piezoelectric nanogenerator based on relaxor ferroelectric materials (BSTO) and conductive fillers (MWCNTs) for self-powered memristor and optoelectronic devices

Authors: T. Das, P. Biswas, A. Dev, J. Mallick, and M. Kar
Journal: Chemical Engineering Journal
Year: 2024

Tuning of magnetic properties of Al-doped cobalt ferrite nanofiber prepared by electrospinning technique

Authors: T. Das, S. Noor, Kumari, J. Mallick, A. Shukla, S. Datta, M.K. Manglam, and M. Kar
Journal: Physica Scripta
Year: 2023

Kriti Ranjan Sahu | Experimental methods | Best Researcher Award

Posted on 27/05/2025 by High Energy Physics

Assist. Prof. Dr. Kriti Ranjan Sahu | Experimental methods | Best Researcher Award

Dr. Kriti Ranjan Sahu is a distinguished physicist and academic leader, currently serving as the Head of the Department of Physics and Assistant Professor at Bhatter College, Dantan (Autonomous) in Paschim Medinipur, West Bengal, India. With a strong background in material science, applied physics, and experimental techniques, Dr. Sahu has made pioneering contributions across multiple fields of science including piezoelectric materials, superconductivity, and optical technologies.

Profile

📘 Early Academic Pursuits

Dr. Sahu’s academic journey began in Tickrapara Ambikyamoye High School, culminating in his B.Sc in Physics from P.K. College, Contai under Vidyasagar University in 2002. He pursued his M.Sc in Physics from G.G.D. University, Bilaspur, securing a strong academic footing with 64.39% marks in 2004. He earned his PhD in 2016 from Jadavpur University, working under Prof. Dr. Udayan De (Retd. Senior Scientist at VECC, Kolkata) with a thesis focused on “Study of Some Piezoelectric and Other Oxides and of Their Polymeric Composites for Applications“.

🧑‍🏫 Professional Endeavors

Dr. Sahu began his teaching career as a Lecturer and HoD in Egra S.S.B. College in 2005, later transitioning to Bhatter College in 2019 as a full-time Assistant Professor and Department Head. With over 19 years of academic service, he is a veteran educator deeply committed to student-centric scientific inquiry and interdisciplinary learning.

🧪 Contributions and Research Focus

Dr. Sahu has spearheaded numerous innovative research projects and groundbreaking discoveries. He developed a novel and safe technique for preparing orthorhombic PbNb₂O₆ piezoelectric material in 2014, widely used in nuclear imaging sensors. In 2020, he reported a surprising ~8°C enhancement in the superconducting transition temperature of Fe-based superconductors due to Ar⁶⁺ ion beam irradiation. In 2022, he invented a new laser-based experimental method for measuring refractive indices in solid materials, suitable for undergraduate laboratories. He also discovered a new natural cellulosic fiber from Cyperus compactus (2023), and synthesized high-quality Na₂O–ZnO–TeO₂ glasses for optical communication (2020–2023).

🌐 Impact and Influence

Dr. Sahu’s work has gained national and international recognition. His cutting-edge research has been published in top-tier journals like Physica C, Carbohydrate Polymer Technologies, Glass Physics and Chemistry, and Journal of Physics and Chemistry of Solids. His findings in superconductivity and piezoelectric materials have laid foundational work for future advancements in sensor technology, nuclear applications, and sustainable electronics.

📚 Academic Cites and Publications

Dr. Sahu has made extensive contributions to peer-reviewed literature with numerous publications across Q1 to Q4 journals. Notably, he reported a remarkable 50% increase in superconducting critical temperature (Tc) due to ion implantation, published in Physica C (2025). His work on the characterization of a new natural cellulosic fiber appeared in Carbohydrate Polymer Technologies (2023). He also introduced a laser-based refractive index measurement technique featured in The Physics Teacher (2022). Additionally, Dr. Sahu has co-authored several papers on glass materials, organic solar cells, and the effects of ion irradiation, showcasing his broad research expertise.

🧠 Research Skills

Dr. Sahu possesses a wide range of research skills encompassing material synthesis, including piezoelectrics, superconductors, EMI shielding composites, and glass materials. He is proficient in advanced characterization techniques such as XRD, UV-Vis spectroscopy, SEM, TEM, FTIR, DSC, DTA, TGA, impedance analysis, and vector network analysis (VNA). His expertise also extends to device fabrication, particularly in creating organic solar cells. Additionally, Dr. Sahu has conducted numerous irradiation experiments using gamma rays and ion beams at renowned facilities like UGC-DAE, IUAC, and SAMEER, reflecting his strong interdisciplinary research capabilities.

👨‍🏫 Teaching Experience

Dr. Sahu has nearly two decades of teaching experience. He has been instrumental in integrating innovative lab experiments, interdisciplinary research modules, and undergraduate research projects into college curricula. His initiative, BASIS (Bengal Academic Society for Interactive Sciences), has helped UG/PG students showcase poster-based research across colleges.

🏆 Awards and Honors

🥇 International Research Award (2020) by RULA and World Research Council for outstanding work on piezoelectric spectroscopy.
📜 Certificate of Publication from Thermochimica Acta for significant findings on Nb₂O₅ phase in PbNb₂O₆ formation.
🧾 Life Member of Indian Association of Physics Teachers (IAPT).

📝 Editorial Roles and Peer Review

Associate Editor: Bhatter College Journal of Multidisciplinary Studies, since 2023.
Editorial Member: International Journal of Materials Science and Applications (USA).
Reviewer: International Journal of Energy Research, Material Science Research India.

🔬 Legacy and Future Contributions

Dr. Kriti Ranjan Sahu continues to inspire scientific curiosity through poster-based symposiums, interactive webinars, and hands-on experimental training under the umbrella of BASIS. His commitment to low-cost science education, research democratization, and young investigator mentorship ensures a lasting impact on the next generation of physicists and applied researchers. Looking ahead, Dr. Sahu aims to bridge research with industry, focusing on green technologies, high-Tc superconductors, and materials for next-gen optics and electronics.

Top Noted Publications

Superconducting Single Crystals Show About 50% Increase of the Superconducting Critical Temperature after Ar Ion Implantation

Authors: Sahu, K.R.; Wolf, T.; Mishra, A.K.; Chakraborty, K.R.; Banerjee, A.; Ganesan, V.; De, U.
Journal: SSRN (Other)
Year: 2025

Characterization of new natural cellulosic fibers from Cyperus compactus Retz. (Cyperaceae) Plant

Authors: Bhunia, A.K.; Mondal, D.; Sahu, K.R.; Mondal, A.K.
Journal: Carbohydrate Polymer Technologies and Applications
Year: 2023

Enhancement of Optical and Electrical Properties of Pr³⁺ Doped Na₂O–ZnO–TeO₂ Glass Materials

Authors: Mirdda, J.N.; Mukhopadhyay, S.; Sahu, K.R.; Goswami, M.N.
Journal: Glass Physics and Chemistry
Year: 2023

Modification of Optical Bandgap and Formation of Carbonaceous Clusters Due to 1.75 MeV N⁵⁺ Ion Irradiation in PET Polymers and Search for Chemical Reaction Mechanisms

Authors: Prasad, S.G.; Lal, C.; Sahu, K.R.; De, U.
Journal: Biointerface Research in Applied Chemistry
Year: 2023

Ultrastructural and Spectroscopic Analysis of Lignin of Stone Cells in Mimusops elengi L. (Sapotaceae) Fruit Mesocarp

Authors: Khatun, M.; Sahu, K.R.; Mondal, A.K.
Journal: Biointerface Research in Applied Chemistry
Year: 2023

Prof. Wang Fengyun | Experimental methods | Best Researcher Award

Posted on 23/04/2025 by High Energy Physics

Prof. Wang Fengyun | Experimental methods | Best Researcher Award

Professor at Qingdao university | China

Fengyun Wang is an accomplished scientist whose interdisciplinary research bridges chemistry, physics, materials science, and various engineering disciplines. With a focus on cutting-edge materials such as low-dimensional metal oxide semiconductors, perovskites, and Mxenes, Wang has contributed significantly to the development of next-generation bioelectronics, photonics, and energy storage devices.

Profile

🎓 Early Academic Pursuits

Dr. Wang’s academic journey began with a strong foundation in the fundamental sciences. Through early exposure to materials synthesis and characterization, Wang developed a passion for understanding the physical and chemical behavior of novel semiconductor materials. This passion laid the groundwork for a research path centered on innovative material solutions for high-tech applications.

🧑‍🔬 Professional Endeavors

Wang has presided over eight national and provincial research projects, playing a pivotal role in exploring topics ranging from quantum dot/metal oxide heterojunctions for photovoltaic transistors to the controllable preparation of III–V semiconductor nanowires. These projects are backed by prestigious institutions like the National Natural Science Foundation of China and the Shandong Province Key R&D Program.

🔬 Contributions and Research Focus

Dr. Wang’s research contributions lie primarily in the synthesis and application of low-dimensional semiconductor materials. By integrating disciplines, Wang has developed metal oxide nanofibers, indium phosphide nanowires, and multifaceted nanostructures for use in field-effect transistors, UV detectors, and flexible solar cells. These innovations address critical challenges in energy harvesting, optoelectronics, and next-gen computing.

🌍 Impact and Influence

Fengyun Wang’s work has earned widespread recognition. With over 80 SCI-indexed publications in esteemed journals such as Advanced Materials, Advanced Functional Materials, IEEE Electron Device Letters, and Nano Research, Wang’s findings have been cited more than 2400 times, showcasing global academic impact. The research has pushed boundaries in device efficiency and material integration across multiple application areas.

📚 Academic Publications & Citations

80+ SCI papers published internationally
Journals include Adv. Mater., Adv. Funct. Mater., IEEE Electron Device Lett., and Nano Res.
Total citations: 2400+, underscoring the relevance and reliability of the research
Invited author of the monograph Semiconducting Metal Oxide Thin-Film Transistors, published by the British Physical Society

🧪 Research Skills

Dr. Fengyun Wang possesses advanced expertise in the synthesis of low-dimensional materials, including 1D and 2D structures, and the fabrication of nanofibers and nanowires. His skills extend to quantum dot integration, heterojunction construction, and the design and optimization of thin-film transistors. Additionally, he excels in engineering optoelectronic and photovoltaic devices. These capabilities enable him to lead and execute highly complex, interdisciplinary projects at the forefront of materials science and electronic device innovation.

👨‍🏫 Teaching Experience

Though specifics on teaching are not provided, Wang’s leadership in multiple national-level projects and publication of an academic monograph suggests active involvement in mentoring graduate students, postdocs, and likely contributing to advanced university-level courses in semiconductor physics, nanomaterials, and optoelectronics.

🏅 Awards and Honors

Dr. Fengyun Wang holds 5 authorized national invention patents, showcasing his originality and the practical impact of his innovations. He has been selected for key provincial talent programs, including the prestigious Shandong Excellent Youth, recognizing his potential and contributions to scientific advancement. Additionally, he is a recognized author by international scientific societies, reflecting his scholarly excellence and influence in the global research community.

🌟 Legacy and Future Contributions

Looking ahead, Dr. Fengyun Wang is poised to continue leading transformative research in material innovation, particularly in the realm of flexible and high-efficiency electronics. With a growing body of influential work, patented technologies, and academic outreach, Wang’s future contributions will likely shape the next generation of green energy solutions and bio-integrated electronics.

Publications Top Notes

Integrated Sensing-Memory-Computing Artificial Tactile System for Physiological Signal Processing Based on ITO Nanowire Synaptic Transistors

Authors: Y. Zhang, J. Xu, M. Wei, S.A. Ramakrishna, F. Wang (Fengyun Wang)
Journal: ACS Applied Nano Materials
Year: 2025

Negative Photoconductivity in Nanowires/QDs Heterojunction Network for Neuromorphic Visual Perception

Authors: S. Xin, T. Wang, K. Dou, Y. Zhou, F. Wang (Fengyun Wang)
Journal: Advanced Functional Materials
Year: 2025

Bionic Gustatory Receptor for pH Identification Based on ZnSnO Nanofiber Synaptic Transistor

Authors: P. Xu, W. Zhang, F. Wang (Fengyun Wang)
Journal: IEEE Electron Device Letters
Year: 2025

Flexible Electrolyte-Gated Transistor Based on InZnSnO Nanowires for Self-Adaptive Applications

Authors: L. Zheng, Z. Liu, S. Xin, R. Seeram, F. Wang (Fengyun Wang)
Journal: Applied Materials Today
Year: 2024

Fast Ultraviolet Detection Response Achieved in High-Quality Cs₃Bi₂Br₉ Single Crystals Grown by an Improved Anti-Solvent Method

Authors: T. Wang, S. Xin, Y. Liu, B. Teng, S. Ji
Journal: Journal of Materials Chemistry C
Year: 2024

ِAhmed Abdelhady A. Khalil | Experimental methods | Best Researcher Award

Posted on 21/02/202521/02/2025 by High Energy Physics

ِDr. Ahmed Abdelhady A. Khalil | Experimental methods | Best Researcher Award

Cairo University, National Institute of Laser Enhanced Sciences | Egypt

Ahmed Abd El-Hady Abd El-Moaty Awad, also known by his scientific name Ahmed Abdelhady A. Khalil, is a highly accomplished scholar and researcher in the field of laser systems and non-linear optics. His academic background spans multiple degrees, including a B.S. in Special Physics from Cairo University, an M.Sc. in Laser Systems from the National Institute of Laser Enhanced Sciences (NILES), and a Ph.D. in Laser Systems (2024). His work focuses on materials science, photodetectors, and energy harvesting, particularly within the scope of transition metal dichalcogenides (TMDCs) and photodiodes.

Profile

Early Academic Pursuits 📚

Ahmed’s academic journey began at Cairo University, where he completed his B.S. in Special Physics in 2006 with high honors. This early pursuit laid the foundation for his deep interest in laser science and optics. In 2010, he pursued advanced coursework for a Master’s degree and continued further studies, earning his M.Sc. in Laser Systems in 2016 from NILES, Cairo University. He later completed predoctoral courses in 2021 before obtaining his Ph.D. in 2024, marking a significant milestone in his educational journey.

Professional Endeavors 💼

Ahmed’s professional path has been closely intertwined with teaching and research. Starting as a Teaching Assistant in 2008, he worked his way up to an Assistant Lecturer by 2018, and eventually a Lecturer in 2024 at the Department of Laser Science and Interaction (LSI), NILES. His professional growth highlights his dedication to education and his ability to mentor the next generation of laser scientists. Additionally, he has contributed to the Nanophotonics Research Laboratory at the American University in Cairo under the guidance of Prof. Mohamed A. Swillam.

Contributions and Research Focus 🔬

Ahmed’s research is centered on laser systems, non-linear optics, and materials science, with particular emphasis on energy harvesting and photodetectors. His work on transition metal dichalcogenides (TMDCs) and MoS2-based photodiodes has been groundbreaking, contributing to the development of novel, fast-response photodetectors. Through his research, Ahmed seeks to advance the performance of photodetection systems, enhancing their speed and efficiency for use in modern optical technologies. His publications in international journals showcase his research in high-impact areas, such as his work on SiC/MoS2 composites and GaN/MoS2 photodiodes.

Impact and Influence 🌍

Ahmed’s work has had a significant impact on the scientific community, particularly in the fields of nanophotonics and laser technology. His research on 2D semiconductor dopants and photodiodes is influencing the future of energy-efficient devices and high-speed photodetectors. His collaborations with renowned scientists, particularly through conferences and journal publications, have helped establish him as a prominent researcher in the laser systems community. By integrating cutting-edge materials into photodetectors, his work is laying the foundation for future innovations in quantum computing and photonics.

Research Skills 🧠

Ahmed has demonstrated high-level research skills throughout his career. He is proficient in experimental techniques such as laser fabrication, thin-film deposition, and characterization of optical materials. His expertise extends to numerical simulations and optical design, making him well-versed in the computational aspects of laser systems and non-linear optics. Additionally, his ability to collaborate with interdisciplinary research groups has enhanced his versatility in applying his findings across various domains of physics and engineering.

Teaching Experience 🎓

As an educator, Ahmed has played a pivotal role in shaping the academic careers of many students in the field of laser science. His teaching experience spans over a decade, during which he has taught a wide range of undergraduate and graduate courses in laser systems and non-linear optics. He has also been involved in supervising student research projects, helping students bridge the gap between theoretical knowledge and practical application in laser technology. His commitment to academic excellence and student development is evident in his approach to innovative teaching.

Awards and Honors 🏆

Throughout his career, Ahmed has earned several awards and honors, including recognition for his outstanding research in photonics and laser systems. His publications in high-impact journals and participation in prestigious conferences are a testament to his academic achievements. His ongoing work, particularly in the TMDC photodetector domain, has garnered international attention and positions him as a leading researcher in materials science.

Legacy and Future Contributions 🚀

Ahmed’s future contributions hold the potential to further transform the field of laser systems and photodetectors. As he continues to explore innovative materials and their applications in energy-efficient technologies, his research is likely to lead to breakthrough advancements in optical communication, quantum computing, and energy harvesting. His legacy as an educator and researcher will inspire future generations of scientists and engineers, further solidifying his position as a leading figure in nanophotonics and laser research.

Publications Top Notes

Thin-film photodiode based on novel SiC/MoS2 composite by RF-sputtering for fast response photodetection

Authors: AAA Khalil, AM Karmalawi, AA Abdelmageed, FM EL-Sharkawy, E Mousa, …
Journal: Optical Materials
Year: 2024

Impact behavior of a novel GaN/MoS2 composite photodiode based thin-film by RF-sputtering for fast response photodetection application

Authors: AAA Khalil, AM Karmalawi, AA Abdelmageed, HAS Al-shamiri, E Mousa, …
Journal: Optical and Quantum Electronics
Year: 2024

Fast response fabricated MoS2-photodiode based thin film

Authors: AAA Khalil, AM Karmalawi, AA Abdelmageed, HAS Al-shamiri, …
Journal: Journal of Materials Science: Materials in Electronics
Year: 2024

Behavior effect of Semiconductor 2D dopants on time response of TMDC-MoS2 based Schottky-photodiode

Authors: AAA Khalil, MTH Abou Kana, MA Swillam
Journal: 2024 Photonics North (PN)
Year: 2024

Muhammad Ishaq | Experimental methods | Best Researcher Award

Posted on 21/02/202521/02/2025 by High Energy Physics

Dr. Muhammad Ishaq | Experimental methods | Best Researcher Award

Shenzhen University | China

Muhammad Ishaq, Ph.D. in Semiconductor Physics and Optical Engineering, is an open-minded and adaptable researcher with a profound passion for applied research and teaching. With experience across diverse environments, he has contributed extensively to the field of solar energy technologies, including thin-film solar cells. Currently, he is an academic researcher at Shenzhen University, China. His global perspective has been honed through multiple international collaborations, notably at Huazhong University of Science and Technology and Shenzhen University.

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