Supplementary Information 7
The stress-strain data of 20 nm thick MG nanolattic
es at room temperature and 130 K.
During loading, some individual nanolattice members
suffered local fracture and/or local
plastic deformation, causing the dissipation of the
strain energy, with the remaining
members – which become fully load-bearing - still e
xhibiting purely elastic behavior. The
nanolattices recover to their original shape during
unloading because the nanolattice is a
relatively over-constrained mechanical system. As a
result of all of these processes, the
stress-strain data of nanolattices can exhibit the
nearly full shape recovery with a loss of
strain energy. So, there is no anelasticity here.