STUDY OF THE DYNAMIC BEHAVIOR OF STEARIC-ACID MONOLAYERS AT THE AIR-WATER-INTERFACE IN THE RANGE OF LOW SURFACE PRESSURES BY A CURRENT-MEASURING TECHNIQUE

被引：14

作者：

MAJIMA, Y ^{[1
]}

WATANABE, A ^{[1
]}

IWAMOTO, M ^{[1
]}

机构：

[1] TOKYO INST TECHNOL,DEPT ELECT & ELECTR ENGN,2-12-1 O OKAYAMA,MEGURO KU,TOKYO 152,JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1991年 / 30卷 / 01期

关键词：

LB; MONOLAYER; LANGMUIR FILM; CURRENT MEASUREMENT; FATTY ACID; DIVALENT ION;

D O I：

10.1143/JJAP.30.126

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have studied the dynamic behavior of stearic acid monolayers on the surfaces of pure water and of salt solutions in the range of immeasurable low surface pressures during the course of monolayer compression, but using a current-measuring technique. For monolayers formed on the surfaces of pure water and of deionized water containing cadmium ions, displacement current was generated when the area per molecule was smaller that about 60 angstrom2, whereas the current was negligibly small in the range of area per molecule greater than about 50 angstrom2. For monolayers formed on the surface of distilled water containing aluminum ions, displacement current was generated int he entire range during the course of monolayer compression. Finally, the mechanism on the current generation observed in the present current measurement was theoretically analyzed.

引用

页码：126 / 130

页数：5

共 15 条

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