Long-range density fluctuations in a symmetric diblock copolymer

Authors
Koga, T Koga, T Kimishima, K Hashimoto, T
Citation
T. Koga et al., Long-range density fluctuations in a symmetric diblock copolymer, PHYS REV E, 60(4), 1999, pp. R3501-R3504
Citations number
21
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW E
ISSN journal
1063651X → ACNP
Volume
60
Issue
4
Year of publication
1999
Part
A
Pages
R3501 - R3504
Database
ISI
SICI code
1063-651X(199910)60:4<R3501:LDFIAS>2.0.ZU;2-8
Abstract
We present an experimental piece of evidence of the excess small-angle-scat tering in a nearly symmetric diblock copolymer. This phenomenon is observed only in the two-phase coexistence region of the ordered and disordered pha ses near the order-disorder transition temperature, using the ultra-small-a ngle x-ray scattering method. This excess scattering is found to be caused by the difference of the density between the ordered and disordered phases in the coexistence region. [S1063-651X(99)50610-7].