NEUTRON AND X-RAY REFLECTIVITY MEASUREMENTS OF POLYSTYRENE POLYBROMOSTYRENE (PS PBRS) INTERFACES

被引：26

作者：

ZHAO, W

ZHAO, X

RAFAILOVICH, MH

SOKOLOV, J

MANSFIELD, T

STEIN, RS

COMPOSTO, RC

KRAMER, EJ

JONES, RAL

SANSONE, M

NELSON, M

机构：

[1] UNIV MASSACHUSETTS,AMHERST,MA 01033

[2] UNIV PENN,PHILADELPHIA,PA 19104

[3] CORNELL UNIV,ITHACA,NY 14853

[4] UNIV CAMBRIDGE,CAMBRIDGE CB3 OHE,ENGLAND

[5] EXXON RES & ENGN CO,ANNANDALE,NJ 08801

[6] BROOKHAVEN NATL LAB,UPTON,NY 11973

来源：

PHYSICA B | 1991年 / 173卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0921-4526(91)90033-B

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Comparative X-ray and neutron reflectivity (XR and NR) measurements were made to study interface formation in the highly immiscible polymer pair deuterated polystyrene/polybromostyrene (PS/PBrS). Since deuterium provides the scattering contrast for NR while electronic density differences give XR contrast, the experiments constitute independent high-resolution measurements of the same interface. For the (PBrS) (670K)/dPS(730K) interface we find the interfacial width, 39 +/- 5 angstrom by XR and 41 +/- 5 angstrom by NR to be in satisfactory agreement.

引用

页码：43 / 46

页数：4

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