The vibrational power spectra for the nanoparticle systems are shown in Figure . The same decrease in low frequency heat carrying modes in the interfacial solvent is present. The bottom panels of Figures and show the running average of the difference between spectra for the DR-EAM systems and the EAM systems where ∆ρ(ω) = ρ(ω) DR-EAMρ(ω) EAM . The most notable differences when compared with the planar systems in Fig. , is the larger effect on the metal modes near 80 and 120 cm -1 . The surface metal atoms exhibit a migration from lower ω (cm -1 )