7Recent Progress in Electromagnetic Absorbing Materials

Raghvendra Kumar Mishra1, Aastha Dutta2, Priyanka Mishra3, and Sabu Thomas1,4

1 International and Inter University Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, Kerala, India

2 Department of Plastic and Polymer Engineering, G.S. Mandal’s Maharashtra Institute of Technology, Aurangabad, Maharashtra, India

3 Deen Dayal Upadhyay Gorakhpur University, Gorakhpur, Uttar Pradesh, India

4 School of Chemical Sciences, Mahatma Gandhi University, Kottayam, Kerala, India

7.1 Introduction

After the development of electromagnetic theory in the nineteenth century, technological devices utilizing electromagnetic (EM) waves became widespread in engineering applications. Electromagnetic waves emitted by power sources with a certain wavelength are used for different works like wireless information transfer, broadcasting, medical applications, imaging, foreign object detection, etc. Considering its interaction with atmospheric air, electromagnetic waves can provide information‐transfer between distant terminals such as satellites, space shuttles, etc. On the other hand, the increasing demand for EM wave based systems has been causing common service problems in engineering applications. Interaction of EM waves from different sources may result in a device malfunctioning due to misinterpretation of the transferred data or information loss. Such problems commonly originate from electromagnetic interference ...

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