Fig. 2From: Unidirectional freeze casting of compressible metallic aerogel composed of freeze-dried cellulose nanofibers and silver nanowiresSEM images of a the top view and b the side view for the normal CNF/AgNW-based aerogel. SEM images of c the top view and d the side view for the freeze-dried CNF/AgNW-based aerogelBack to article page