Abstract
We report on experiments with Au n nanoparticles (100 ≤ n ≤ 400) at velocities of 10–60 km/s. They are implanted virtually intact via hydrodynamic penetration. The products of the extreme pressure transient are observed by mass analyzing the ionized ejecta. Targets of labeled molecules ( 13C-, 15N-glycine) reveal fragmentation–recombination processes, producing CN − and OCN − with high efficiency (45%). This value is over two orders of magnitude larger than that obtained with atomic and small cluster projectiles. The experiments could simulate collisions of nanosized dust particles in interstellar space.
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