Atul Thakur is a Professor and Director of the Amity Institute of Nanotechnology (AINT) and the Amity School of Applied Sciences (ASAS), Amity University Haryana, India. He is also an Adjunct Professor at Yuan Ze University, Taiwan and a Distinguished Professor at Nanjing University of Information Science and Technology. His research interests are focused on ferrite nanomaterials for water purification, agricultural applications, microwave, high-frequency applications, radar-absorbing materials, antenna miniaturization, high-density memory storage systems, sensor applications, and metamaterials. Preeti Thakur is a Professor and Head of the Amity Centre for Nanotechnology, Amity University Haryana, India. She is also an Editor of the Journal of Magnetism and Magnetic Materials. Her research is focused on the synthesis and characterization of magnetic nanoparticles for radar-absorbing materials, sensors, high-frequency, wastewater treatment, and agricultural applications.