Funct. Mater. 2016; 23 (4): 612-617.

https://doi.org/10.15407/fm23.04.427

Pecularities of pore relaxation in nanoclusters

M.A.Ratner1, V.V.Yanovsky1,2

1Institute for Single Crystals, STC Institute for Single Crystals, National Academy of Sciences of Ukraine, 60 Nauky Ave., 61001 Kharkiv, Ukraine
2V.Karazin Kharkiv National University, 4 Svobody Sq., 61022 Kharkiv, Ukraine

Abstract: 

Process of the relaxation of a cluster with an intrinsic pore was investigated for different phases of a cluster. Main parameters, determining pore dissolving time were found. In particular, it was shown that there exists critical temperature Tc, that depends on pore and cluster sizes. Below Tc nonequilibrium process does not destroy solid state of the cluster and pore life time increases sharply. Process of pore relaxation in this case is characterized by a free energy barrier.

Keywords: 
cluster, phase state, pore, nonequilibrium process, relaxation.
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