25_05/2013Ferroics: Bio-Assembled Nanocomposites in Conch Shells Exhibit Giant Electret Hysteresis (Adv. Mater. 5/2013)

Seashells have superior mechanical properties. Conch shells, with bio-assembled, hierarchical architectures of nano-CaCO3 laminas sandwiched between biopolymers, exhibit remarkable ferroelectric-like hysteresis loops with giant electrical polarization, creating the possibility for materials for high density energy storage using a bottom-up approach. More details can be found in the article by Xi Xiang Zhang and co-workers on page 711.

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