![]() ![]() Bachels, et al., “Melting of Isolated Tin Nanoparticles,” Physical Review Letters, Vol. Schmidt, et al., “Experimental Determination of the Melting Point and Heat Capacity for a Free Cluster of 139 Sodium Atoms,” Physical Review Letters, Vol. Gross, “Micro-Canonical Statistical Mechanics of Some Non-Extensive Systems,” Chaos, Solitons & Fractals, Vol. Gross, “Microcanonical Thermodynamics: Phase Transitions in ‘Small’ Systems,” World Scientific, Singapore, 2001.ĭ. Gulminelli, “The Challenges of Finite-System Statistical Mechanics,” The European Physical Journal A, Vol. D’Agostino, et al., “Nuclear Liquid-Gas Phase Transition: Experimental Signals,” Nuclear Physics A, Vol. Chomaz, “Critical Behavior in the Coexistence Region of Finite Systems,” Physical Review Letters, Vol. We claim that negative specific heat is related to a possible decrease of entropy in an isolated system this can be interpreted as a result of the internal interactions, especially attractive process and specific relaxation time.į. ![]() For the other time step values, the back bending disappears. The data shows bimodal behavior only in a certain interval of integration time step Δ t, while the internal energy increases monotonically with the temperature. Thermodynamic properties, including the total energy, Lindemann parameter, kinetic and potential distribution’s functions, are used to characterize the melting process. We use the Lennard- Jones potential functions to describe the interatomic interactions, and the results are evaluated by using caloric curves of the melting phenomenon. We report on molecular dynamics simulations performed using microcanonical ensemble to predict the melting of argon particles in nanometer size range 10 nm and to investigate the effect of the time step integration. ![]()
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