Figure 3

Schematic of fabrication of REO-particle-precipitated rod gels for bending motion. Fabrication of the (a,b) Nd₂O₃-particle–gel moiety, (c,d) Yb₂O₃-particle–gel moiety, and (e) final rod gels with Nd₂O₃- and Yb₂O₃-particle-precipitated moieties.