RELAXATION AND THE REENTRANT APPEARANCE OF PHASES IN A MOLECULAR MONOLAYER

被引：111

作者：

SCHLOSSMAN, ML ^{[1
]}

SCHWARTZ, DK ^{[1
]}

PERSHAN, PS ^{[1
]}

KAWAMOTO, EH ^{[1
]}

KELLOGG, GJ ^{[1
]}

LEE, S ^{[1
]}

机构：

[1] HARVARD UNIV,DIV APPL SCI,CAMBRIDGE,MA 02138

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.66.1599

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The structure of monolayers of CH3(CH2)22COOH on water, along approximately 21-degrees-C isotherms between 18 and 35 angstrom2/molecule, has been studied with glancing-angle x-ray diffraction and specular reflection. Following an incremental area change, in some regions of the isotherm, the diffraction pattern evolves until the surface pressure pi is relaxing less-than-or-similar-to 0.01 dyn/cm h. Reentrant behavior between tilted and nontilted phases is observed. Phase coexistence is indicated by differences between the deposited area/molecule and the area of the x-ray-determined unit cell.

引用

页码：1599 / 1602

页数：4

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