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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 >Spatial uniformity of the beta-relaxation in D-sorbitol
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Spatial uniformity of the beta-relaxation in D-sorbitol

机译：D-山梨糖醇中β松弛的空间均匀性

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摘要

Signatures of the slow p-relaxation of D-sorbitol as observed by macroscopic dielectric relaxation and solvation dynamics over a wide range of temperatures are compared. The latter technique senses the local dielectric relaxation in the immediate vicinity of a chromophore, which is present only at very low concentrations. The conformity of locally sensitized and macroscopically averaged results for the glassy state indicates that the secondary relaxation is a spatially uniform feature. If the P-process were spatially confined it should not be detectable by solvation probes. (C) 1998 Elsevier Science B.V. All rights reserved. [References: 17]
机译：比较了在宽温度范围内宏观介电弛豫和溶剂化动力学所观察到的D-山梨糖醇缓慢p松弛的特征。后一种技术在发色团的附近检测到局部介电弛豫，发色团仅以非常低的浓度存在。对于玻璃态的局部敏化和宏观平均结果的一致性表明，二次弛豫是空间均匀的特征。如果P过程在空间上受到限制，则溶剂化探针不应检测到该过程。 （C）1998 Elsevier Science B.V.保留所有权利。 [参考：17]

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