Associate Professor, Adhiyamaan College of Engineering (Autonomous), India.
Dr. R. Mariappan is an accomplished physicist specializing in materials science, thin films, and nanotechnology. With a Ph.D. in Physics from Bharathiar University, Coimbatore, Dr. Mariappan’s research spans advanced thin film deposition techniques, characterization, and gas sensor fabrication. He has contributed significantly to the field, serving as a resource person, reviewer, and invited speaker at various conferences and workshops. His work has earned him a place among prominent researchers in materials science, with numerous publications in high-impact journals.
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Education š
Dr. R. Mariappan’s academic journey reflects a profound dedication to the field of physics, marked by exceptional achievements at every stage. He earned his Ph.D. in Physics from Bharathiar University, Coimbatore, in 2014, receiving the distinction of “Highly Commended.” Prior to this, he completed his M.Phil. in Physics from the same institution in 2009, graduating with First Class honors.
Dr. Mariappan also holds a B.Ed. in Physical Science from Madras University, Chennai, completed in 2008 with First Class distinction. His academic foundation in physics was laid with an M.Sc. in Physics from Presidency College, Madras University, in 2007, and a B.Sc. in Physics from Thiruvalluvar Government Arts College, Periyar University, Salem, in 2005, both of which he completed with First Class honors.
His scholarly achievements underscore a consistent pursuit of excellence and a deep commitment to advancing his expertise in the field.
Experience š¼
Dr. R. Mariappan is a highly accomplished researcher in the field of materials science, with a specialized focus on thin films and nanotechnology. His expertise spans a range of synthesis techniques, including nebulizer spray pyrolysis, sol-gel processing, and chemical bath deposition, which are critical in the creation of advanced materials with tailored properties. Additionally, Dr. Mariappan is proficient in employing characterization techniques such as X-ray diffraction (XRD), high-resolution scanning electron microscopy (HR-SEM), and impedance spectroscopy, enabling him to analyze and optimize the structural and electrical properties of materials.
In his extensive research, Dr. Mariappan has led significant projects in gas sensing technology, where he has contributed to the development of innovative sensors with improved sensitivity and selectivity. His commitment to advancing materials science is further reflected in his role as a reviewer for several prestigious scientific journals, where he lends his expertise to assess and guide high-impact research in the field. His work continues to influence the domains of thin films, nanotechnology, and sensor technology.
Research Interests š¬
Dr. R. Mariappan’s research centers on thin films and nanotechnology, with a strong emphasis on the synthesis, characterization, and application of materials for gas sensors and energy storage systems. His work has significantly impacted the development of materials with enhanced performance in these critical areas.
In the field of gas sensors, Dr. Mariappan has notably advanced the use of ZnO, CdO, and CdSnO3 nanoparticles, pioneering their application in creating sensors with heightened sensitivity and efficiency. These materials are integral in detecting various gases, contributing to improved environmental monitoring and safety.
In energy storage, he has focused on designing energy-efficient electrode materials, advancing techniques for optimizing performance in batteries and supercapacitors. His research has opened new pathways for developing sustainable and efficient energy storage solutions essential for future technologies.
Awards & Honors š
Dr. Mariappan has been recognized for his contributions to materials science and thin films, receiving accolades for his innovative research. He is frequently invited to deliver lectures and workshops on thin film technologies and has chaired several national and international conferences in nanomaterials and devices.
Publications Top Notes š
G. Gowrisankar, R. Mariappan, Ultrasound-assisted synthesized multi-phase copper vanadate for energy storage, Ionics, 2024. [Cited by 12]. Link
P. Usha, R. Mariappan, Temperature Dependence on Zinc Stannate Thin Films for Ammonia Gas Sensors, Sensing and Imaging, 2024. [Cited by 8]. Link
B. Amudhavalli, R. Mariappan, Fabrication and characterization of CdO nanoparticles for gas sensing, Journal of Materials Science: Materials in Electronics, 2024. [Cited by 15]. Link
A. Karthikeyan, R. Mariappan, Nickel Doping on Cobalt Oxide for Energy Storage, Ionics, 2024. [Cited by 10]. Link
B. Amudhavalli, R. Mariappan, Highly Sensitive Ammonia Gas Sensors Using ZnO, CdO, and CdZnO Thin Films, Journal of Electronic Materials, 2024. [Cited by 7]. Link