Reference : Crystallization mechanism in melts of short n-alkane chains
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/12814
Crystallization mechanism in melts of short n-alkane chains
English
Anwar, Muhammad mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Turci, Francesco mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Schilling, Tanja mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
4-Dec-2013
Journal of Chemical Physics
American Institute of Physics
139
21
Yes (verified by ORBilu)
International
0021-9606
1089-7690
New York
NY
[en] We study crystallization in a model system for eicosane (C20) by means of molecular dynamics
simulation and identify the microscopic mechanisms of homogeneous crystal nucleation and growth.
For the nucleation process, we observe that chains first align and then straighten. Then the local
density increases and finally the monomer units become ordered positionally. The subsequent crystal
growth process is characterized by a sliding-in motion of the chains. Chains preferably attach to the
crystalline cluster with one end and then move along the stems of already crystallized chains towards
their final position. This process is cooperative, i.e., neighboring chains tend to get attached in clusters
rather than independently.
University of Luxembourg: High Performance Computing - ULHPC
http://hdl.handle.net/10993/12814
10.1063/1.4835015
http://dx.doi.org/10.1063/1.4835015

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