Material Dynamics and Properties

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• SARP KAYA

In order to increase the accuracy of classical computer simulations, existing methodologies may need to be adapted. Hitherto, most force fields employ a truncated potential function to model van der Waals interactions, sometimes augmented with an analytical correction. Although such corrections are accurate for homoge…

• AHMET YILDIRIM

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• ERSAN DEMİRALP

A molecular dynamics simulation based on the embedded-atom method was conducted at different sizes of single-crystal Ag nanoparticles (NPs) with diameters of 4 to 20 nm to find complete melting and surface premelting points. Unlike the previous theoretical models, our model can predict both complete melting and surfac…

• CEM ÖZDOĞAN

Measuring Motion Within a solid, atoms vibrate about their mean position in a series of frequencies known as the normal modes, which relate to the thermal and mechanical transport properties of the material. D. Kaya et al. (p. 656 ) used video microscopy to observe the motion of colloidal crystals made from microgel p…

• DENİZ KAYA

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• SEVGİ ÖZDEMİR KART

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• HÜSEYİN YILDIRIM

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• MELİKE BİLGİ KAMAÇ

We report the results of first-principles molecular-dynamics simulations for liquid and undercooled eutectic ${\text{Au}}_{81}{\text{Si}}_{19}$ alloys at various temperatures. Through comparisons between ${\text{Au}}_{81}{\text{Si}}_{19}$ and Au liquids, we show the strong effects of Si alloying on the atomic-scale st…

• EMRE TAŞCI

We have developed mesoscale models for polystyrene (PS) oligomers in various environments following the Iterative Boltzmann Inversion Technique. Bond, bending angle, torsion angle distributions, and radial distribution functions between PS monomers show that local structures were reproduced very well, while a small di…

• BESTE BAYRAMOĞLU

We study within a mean-field approach the stationary states of the kinetic spin-1 Blume-Capel model in the presence of a time-dependent oscillating external magnetic field. We use the Galuber-type stochastic dynamics to describe the time evolution of the system. We have found that the behavior of the system strongly d…

• ÜMÜT TEMİZER