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
收藏
页码：3114 / 3126
页数：13
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