Multi-component colloidal gels: interplay between structure and mechanical proprieties

Claudia Ferreiro-Cordova, Emanuela Del Gado, Giuseppe Foffi, Mehdi Bouzid

Research output: Contribution to journalArticlepeer-review


We present a detailed numerical study of multi-component colloidal gels interacting sterically and obtained by arrested phase separation. Under deformation, we found that the interplay between the different intertwined networks is key. Increasing the number of components leads to softer solids that can accommodate progressively larger strains before yielding. The simulations highlight how this is the direct consequence of the purely repulsive interactions between the different components, which end up enhancing the linear response of the material. Our work provides new insight into mechanisms at play for controlling the material properties and opens a road to new design principles for soft composite solids.
Original languageEnglish
JournalSoft Matter
Issue number18
Publication statusPublished - 30 Mar 2020


  • cond-mat.soft


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