HIGH-RESOLUTION X-RAY STUDY ON ANOMALOUS DIFFRACTION PEAK SHIFT IN DIMERIZED LANGMUIR-BLODGETT SUPERLATTICE FILMS

被引：3

作者：

NOGAMI, Y

OGASAWARA, K

TAKEUCHI, S

ISHIGURO, T

NAKAJIMA, T

OHSUMI, K

SHIMIZUGAWA, Y

机构：

[1] KYOTO UNIV, DEPT PHYS, SAKYO KU, KYOTO 60601, JAPAN

[2] NATL LAB HIGH ENERGY PHYS, PHOTON FACTORY, TSUKUBA, IBARAKI 305, JAPAN

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1993年 / 62卷 / 09期

关键词：

LANGMUIR-BLODGETT FILM; SUPERLATTICE; X-RAY DIFFRACTION; AMPLITUDE AND PHASE MODULATIONS;

D O I：

10.1143/JPSJ.62.3114

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Structures of Langmuir-Blodgett (LB) superlattice films formed with alternately deposited fatty acid Cd salts with different alkyl-chain length are studied by high resolution X-ray diffraction method using a synchrotron radiation source. The remarkable diffraction peak shift is observed in the superlattice film. The shift is interpreted in terms of the Guinier effect in partially-disordered superlattice system. Simultaneous modulation of molecular position and of molecular scattering factor results in the peak shift. The effect of alkyl-chain species substitution and of cooling on the peak shift are also described. The partial disorder in the superlattice is caused by dissolution of LB film.

引用

页码：3114 / 3126

页数：13

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