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A comparison of molecular dynamics results for two models of nanoparticles with fixed and mobile ligands in two-dimensions

机译:二维固定和移动配体的两种纳米颗粒模型的分子动力学结果比较

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We compare the results of simulations of models of nanoparticles in two dimensions. Nanoparticles are built of central, big circle (core) with 4 ligands attached to it. The models differ by the mobility of the ligands and by ligand-core interactions. We evaluated liquid-vapor phase diagrams, as well as structural and thermodynamic properties at supercritical temperatures. In order to characterize the orientational ordering in the systems with mobile ligands, we use the concept of mass dipole. Moreover, we propose the application of the theoretical approximation for evaluation of the core-core pair correlation functions. (C) 2016 Elsevier B.V. All rights reserved.
机译:我们在两个方面比较了纳米颗粒模型的仿真结果。纳米粒子是由中央大圆圈(核心)构成,并附有4个配体。这些模型的不同之处在于配体的迁移率和配体-核心相互作用。我们评估了液体-蒸汽相图,以及超临界温度下的结构和热力学性质。为了表征具有可移动配体的系统中的取向排序,我们使用质量偶极子的概念。此外,我们提出了理论逼近在核-核对相关函数评估中的应用。 (C)2016 Elsevier B.V.保留所有权利。

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