Frozen concentration fluctuations in a poly(N-isopropyl acrylamide) gel studied by neutron spin echo and small-angle neutron scattering

被引：12
|
作者：
Koizumi, S [1 ]
Monkenbusch, M
Richter, D
Schwahn, D
Farago, B
Annaka, M
机构：
[1] Japan Atom Energy Res Inst, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan
[2] Forschungszentrum Julich GmbH, Inst Festkorperforsch, D-52425 Julich, Germany
[3] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France
[4] Chiba Univ, Dept Mat Technol, Chiba 2638522, Japan
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2002年 / 74卷 / Suppl 1期
关键词：
PACS: 61.41.+e;
D O I：
10.1007/s003390201517
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
By employing neutron spin echo and small-angle neutron scattering, we determined the structure factor of the frozen concentration fluctuations on nano-length scales in a swollen poly(N-isopropyl acrylamide) gel. The frozen contribution, showing a plateau at the low scattering wavenumber q (< 0.02 Angstrom(-1)) and a rapid decrease close to q(-4) at high q (> 0.02 Angstrom(-1)), is intimately related to the abnormal butterfly scattering pattern appearing at low q under deformation.
引用
收藏
页码：S399 / S401
页数：3
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