A Novel Strategy in Electromagnetic Wave Absorbing and Shielding Materials Design: Multi-Responsive Field Effect

Area of Science:

• Materials Science
• Physics
• Electrical Engineering

Background:

• Electromagnetic (EM) devices are crucial in communication, engineering, and medicine.
• EM devices generate electromagnetic interference (EMI) and radiation, necessitating effective solutions.
• Current electromagnetic wave absorbing and shielding (EMAS) materials, often powders and coatings, have limitations in practical, multi-scene applications.

Purpose of the Study:

• To address the limitations of existing EMAS materials in diverse environmental conditions.
• To explore the potential of multi-external fields-responsive materials for advanced EMAS functionalities.
• To provide a comprehensive overview of responsive EMAS materials, their mechanisms, synthesis, and future trends.

Main Methods:

• Review and summarization of existing literature on multi-external fields-responsive materials for EMAS.
• Analysis of various action mechanisms, synthesis methods, and macrostructures of these materials.
• Discussion on the developing trends and challenges in designing novel EMAS devices.

Main Results:

• Identified temperature, light, space-time, electrical, wind, density, and flow fields as key external stimuli for responsive EMAS materials.
• Detailed various action mechanisms, synthesis strategies, and macrostructural designs for these materials.
• Highlighted the potential of these responsive materials to overcome the limitations of conventional EMAS materials.

Conclusions:

• Multi-external fields-responsive materials offer a promising approach to develop advanced EMAS materials with tunable absorption bands for complex environments.
• Further research is needed to overcome challenges in designing and implementing novel EMAS devices based on these responsive materials.
• This review provides a foundation for future development in the field of functional EMAS materials.