INTERACTION OF CATIONS WITH A FATTY-ACID MONOLAYER - A GRAZING-INCIDENCE X-RAY-FLUORESCENCE AND REFLECTIVITY STUDY

被引：39

作者：

DAILLANT, J ^{[1
]}

BOSIO, L ^{[1
]}

BENATTAR, JJ ^{[1
]}

BLOT, C ^{[1
]}

机构：

[1] ECOLE SUPER PHYS & CHIM IND,PHYS LIQUIDES & ELECTROCHIM LAB,F-75231 PARIS 05,FRANCE

来源：

LANGMUIR | 1991年 / 7卷 / 04期

关键词：

D O I：

10.1021/la00052a001

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The interaction of Mn2+ cations in the subphase with a behenic acid monolayer has been investigated as a function of surface pressure by using both grazing incidence X-ray fluorescence and X-ray reflectivity. The fluorescence probe provides an accurate determination of the number of cations attracted near the surface (0.47 +/- 0.06 per amphiphilic molecule), and the reflectivity experiments show that these cations are condensed within an extremely thin region (less-than-or-similar-to 0.5 nm). The complete structural parameters of the film and the surface roughness are compared to experimental data obtained with the same compound on pure water.

引用

页码：611 / 614

页数：4

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