Nonequilibrium structures and decay processes of clusters sputtered by ion bombardment
С. Е. МаксимовAlderson-Broaddus College, Philippi, WV, 26416, USAН. Х. ДжемилевAlderson-Broaddus College, Philippi, WV, 26416, USAБ. Л. ОксенгендлерAlderson-Broaddus College, Philippi, WV, 26416, USAI.A. WojciechowskiAlderson-Broaddus College, Philippi, WV, 26416, USA
ABI
Abstract
A phenomenon of fragmentation of clusters sputtered by ion bombardment and containing both stable and metastable states is considered. The suggested kinetic model is based on the competition of three processes: detachment of atoms from metastable and stable states and drift-diffusion transfer from the former to the latter. Major regimes of fragmentation are identified and conclusion is made on the effect of the time of the diffusion transfer on the preexponential factor and fragmentation kinetics equation.
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