Fig. 3: Strain evolution of (110) single-crystal Al under laser-driven compression obtained from UED experiments (filled circles) and MD simulations (lines).
From: Ultrafast visualization of incipient plasticity in dynamically compressed matter
a–c are the results at incident laser fluences of 1.2, 2.2, and 4.3 J cm−2, respectively. \({\varepsilon }_{{{{{{{{\rm{l}}}}}}}}}^{{{{{{{{\rm{e}}}}}}}}}\) denotes the longitudinal elastic strain; \({\varepsilon }_{{{{{{{{\rm{t}}}}}}}}}^{{{{{{{{\rm{e}}}}}}}}}\) denotes the transverse elastic strain. The error bars represent 1 standard deviation uncertainties. The measured evolution of \({\varepsilon }_{{{{{{{{\rm{t}}}}}}}}}^{{{{{{{{\rm{e}}}}}}}}}\) shown in (c) is recast in (d), along with the evolution of total, Shockley partial and perfect dislocation densities obtained from MD simulation performed at the same experimental conditions.
