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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 >Coupling of the electrical conductivity to the structural relaxation, absence of physical aging on the time scale of the Debye process, and number of correlated molecules in the supercooled monohydroxy alcohol 2-ethylhexanol
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Coupling of the electrical conductivity to the structural relaxation, absence of physical aging on the time scale of the Debye process, and number of correlated molecules in the supercooled monohydroxy alcohol 2-ethylhexanol

机译：电导率与结构弛豫的耦合，在德拜过程的时间尺度上没有物理老化，以及过冷的单羟基醇2-乙基己醇中相关分子的数量

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摘要

Using dielectric experiments the structural, the Debye-like, and the conductivity relaxation times of 2-ethyl-1-hexanol are measured in a wide temperature range. It is found that the electrical transport scales with the temperature dependence of the structural relaxation but that it is decoupled from that of the Debye-like response. Temperature-jump experiments were carried out, and signs of a physical aging on the time scale of the Debye-like response could not be detected. The minimum number of correlated molecules contributing to the structural and to the Debye-like responses was estimated on the basis of the temperature derivative of the susceptibility as expressed in terms of the fragility index and of the spectral line shape parameters.
机译：使用介电实验，可以在较宽的温度范围内测量2-乙基-1-己醇的结构，德拜样和电导率弛豫时间。发现电传输与结构弛豫的温度相关性成比例，但是它与类比反应的温度解耦。进行了温度跳跃实验，未发现类似Debye响应的时间尺度上的物理老化迹象。根据以脆性指数和谱线形状参数表示的磁化率的温度导数，估计有助于结构和德比样响应的相关分子的最小数目。

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