fig1
Figure 1. (A) BSE images of La-Fe-Si/resin composites with different particle sizes; (B) porosity of La-Fe-Si/resin composites with different particle sizes; (C) temperature dependence of linear thermal expansion (ΔL/L) for La-Fe-Si/resin composites with different particle sizes; (D) NTE temperature range and average linear NTE coefficient of La-Fe-Si/resin composites with different particle sizes. BSE: Backscattered electron; NTE: negative thermal expansion.