Abstract
We study the structural change of Aluminum thin film due to heat treatment. The film is heated up from room temperature of 300 K to 1000 K where it is already above melting temperature of Aluminum. Molecular dynamics simulation is employed to observe the behavior of the system since it provides atomistic detail. The structural transformation is investigated based on the structure factor and pair distribution function which indicated the broadening of the peak of crystal structure due to phase transition of the material. Atomistic information revealed the local lattice structure change based on Common Neighbor Analysis (CNA) methods.
Highlights
In experimental point of view, it will be difficult to see the structural change of a material due to heat treatment
The properties of a material will be altered due to heat treatment
In the general case where Lennard-Jones material is considered to shows the evolution of laser induced structural change of nanoparticle and thin film, Fahdiran and Urbassek [4,5] used molecular dynamics (MD) simulation to show the small-angle scattering structural change due to heat absorbed from the laser
Summary
In experimental point of view, it will be difficult to see the structural change of a material due to heat treatment. For the case of melting due to laser irradiation, Zhigilei and his co-workers investigated the structural change of materials by means of molecular dynamics (MD) simulation [2,3]. MD simulation could provide atomistic point of view of structural change since it follows the trajectory of the atoms within the simulation.
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