1D String Phase. We started by examining the assembly of 27 NPs of the above stringforming NPs with Γ = = 0.3 chains/𝜎 ! . As before, we carried out MD simulations using the manybody potential 𝑈 )* , the two-body potential 𝑈 !* , and the explicit CG force field, each initialized from random arrangement of NPs (Fig. ). The NPs treated using the CG force field eventually assembled into a string phase, but only after ~200 million timesteps corresponding to a time scale of ~4 × 10 C (𝑚𝜎 ! 𝜀 ⁄ ) 4/! due to the sluggish dynamics of polymer-grafted NPs in polymer melts.