Thermally tunable terahertz switchable quad-band to broadband absorption induced by Mie–plasmon coupling

Key Points

• Enhanced terahertz absorption characteristics were achieved through strategic sintering processes—highlighting a novel material approach.
• Maximum absorption reached 85% over a broad spectrum, with significant tuning achieved across five temperature increments.
• Analysis utilized Mie-plasmon coupling techniques to explore the relationships between temperature and absorption capacity.
• Future applications may enable advanced technologies in sensors and telecommunications, with a focus on practical implementation.