Morphology of off-specular neutron scattering pattern from islands on a lamellar film

被引：6
|
作者：
Toperverg, B
Lauter-Pasyuk, V
Lauter, H
Nikonov, O
Ausserré, D
Gallot, Y
机构：
[1] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France
[2] Petersburg Nucl Phys Inst, St Petersburg 188350, Russia
[3] Tech Univ Munich, Dept Phys, D-8046 Garching, Germany
[4] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
[5] Univ Maine, F-72017 Le Mans, France
[6] Inst Charles Sadron, CNRS, F-67083 Strasbourg, France
来源：
PHYSICA B-CONDENSED MATTER | 2000年 / 283卷 / 1-3期
关键词：
polymer films; reflectometry; surfaces;
D O I：
10.1016/S0921-4526(99)01892-X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The distorted wave born approximation (DWBA)-based theory is developed and employed to analyze off-specular neutron scattering from islands on the surface of deuterated polystyrene-polybutylmethacrylate (dPS-PBMA) copolymer film. II is shown that the scattering intensity distribution measured over a broad range of angles of incidence, including the range of total reflection, can be well interpreted within the simple model of random island distribution over the surface. Only a few film and island parameters, such as mean lateral size, concentration, and those characterizing their internal structure are needed to describe a variety of the features observed experimentally. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：60 / 64
页数：5
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