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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Multifractal nature of heterogeneous dynamics and structures in glass forming ionic liquids
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Multifractal nature of heterogeneous dynamics and structures in glass forming ionic liquids

机译：非均相动力学和结构在玻璃形成离子液体中的多重性质

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摘要

Complex dynamics and structures of ionic liquids exemplified in 1-ethyl-3-methylimidazolium nitrate (EMIM-NO_3) are examined by molecular dynamics simulations. Correlation length of the radial charge distribution function and density distribution function show different temperature dependence. Density profiles are obtained from the accumulated positions visited by ions during the MD runs. The profile originating from the coexistence of layered structures of density (density wave) and those of charges (charge density wave), shows complicated heterogeneity, which is proven to be multifractal in nature. Thus, present is more than one characteristic length scale together with their mixing. The multifractal density profiles are formed by the multifractal walks with fast and slow ions. Generally, the coexistence of different length scales due to the different species or the different local structures can be the mechanism to form similar multifractal dynamics and structures.
机译：通过分子动力学模拟检查1-乙基-3-甲基咪唑氨酸（emim-no_3）中举例说明的离子液体的复杂动力学和结构。 径向电荷分布函数和密度分布函数的相关长度显示不同的温度依赖性。 密度剖面是从MD运行期间由离子访问的累积位置获得的。 源自密度（密度波）的分层结构的共存的轮廓和电荷（电荷密度波），显示出复杂的异质性，这被证明是自然的多法。 因此，存在的是与它们的混合一起的一个特征长度。 多重分术密度型材由多法术间隙形成，具有快速和慢离子。 通常，由于不同物种或不同的局部结构引起的不同长度尺度的共存可以是形成类似的多分术动力学和结构的机制。

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