کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1883891 1533440 2013 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Molecular Dynamics simulations of track formation at different ensembles
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم تشعشع
پیش نمایش صفحه اول مقاله
Molecular Dynamics simulations of track formation at different ensembles
چکیده انگلیسی

A series of Molecular Dynamics simulations of thermal spikes has been run in zircon. For two different ensembles: microcanonical one and a combination of microcanonical one acting on the simulation core with Langevin one on the side walls of simulation. Depending on the used ensemble, different track-formation threshold energies were found. When the combined ensemble is carried out, the total energy of the simulations varies with the temperature which can influence how annealing fission-track models should deal with the lattice recovery. A fission-track annealing model is tested with the simulation results.


► Two types of ensembles were used.
► Threshold track-formation energies (dE/dx) can vary remarkably according to the used ensemble.
► Potential energy depends on the temperature when the combined ensemble is used in simulation.
► Energy per defect was used as barrier energy for the recovery of the lattice in annealing models.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Radiation Measurements - Volume 48, January 2013, Pages 68–72
نویسندگان
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