Heinz von Seggern
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2
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About
Heinz von Seggern is a pioneering figure in the field of electret and piezoelectret materials, with a career spanning fundamental physics to advanced functional metamaterials. His research primarily focuses on the charge storage, polarization, and electromechanical properties of polymer-based systems, particularly cellular piezoelectrets. A major contribution is the development of novel piezoelectret metamaterials, such as the double-V structure, which exhibit tunable piezoelectric effects, negative Poisson's ratios, and positive d31 coefficients—properties that are highly sought after for flexible sensors and mechanical energy harvesters. His work has significantly advanced the understanding of how microstructured voids and trapped charges can mimic piezoelectric behavior in non-piezoelectric polymers. With over 5,000 citations, von Seggern’s impact is profound, and his recent 2024 paper on tunable metamaterials continues to shape the field. He is also recognized for his foundational studies on charge transport and trapping in dielectrics, which underpin modern electret technology. His achievements include numerous invited talks and leadership in international conferences on electrets, solidifying his legacy as a key architect of this interdisciplinary domain.
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