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首页> 外文期刊>The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical >Grazing-Incidence X-ray Diffraction Study of Octadecanoic Acid Monolayers
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Grazing-Incidence X-ray Diffraction Study of Octadecanoic Acid Monolayers

机译:十八烷酸单层的掠入射X射线衍射研究

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摘要

We report the observation of X-ray scattering profiles from monolayers of octadecanoic acid in the vicinity of room temperature and evidence for the existence near room temperature of all four hexatic rotator phases L_(2d), Ov, L'_1, and LS, which differ in the details of their molecular tilt. While the incontrovertible triple-reflection signature of the chiral L'_1 phase was not observed, we propose that the previously reported rapid annealing behavior in this phase can lead to the disappearance of one, and in some cases two, of the three peaks.
机译:我们报告了在室温附近从十八烷酸单层的X射线散射曲线的观察结果,并证明了在室温下存在所有四个十六进制旋转器相L_(2d),Ov,L'_1和LS的证据,这些它们的分子倾斜的细节不同。尽管未观察到手性L'_1相不可逆的三重反射特征,但我们认为先前报道的该相的快速退火行为可能导致三个峰之一消失,在某些情况下还导致两个峰消失。

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