| Issue |
Europhys. Lett.
Volume 73, Number 4, February 2006
|
|
|---|---|---|
| Page(s) | 614 - 620 | |
| Section | Interdisciplinary physics and related areas of science and technology | |
| DOI | https://doi.org/10.1209/epl/i2005-10426-2 | |
| Published online | 11 January 2006 | |
Elastic theory of microphase-separated interconnected structures
1
Department of Mathematical and Life Sciences, Graduate School of Science Hiroshima University - Higashi-Hiroshima 739-8526, Japan
2
Yukawa Institute for Theoretical Physics, Kyoto University - Kyoto 606-8502, Japan
Received:
20
October
2005
Accepted:
15
December
2005
Interconnected periodic structures such as the gyroid one appear in microphase separation in block copolymer melts. We derive the elastic free energy of gyroid and diamond structures in a weak-segregation regime by the method formulated by Kawasaki and one of the present authors (TO). It is found that there is a simple relation among the elastic constants in the weak-segregation limit.
PACS: 81.40.Jj – Elasticity and anelasticity, stress-strain relations / 82.35.Jk – Copolymers, phase transitions, structure / 83.80.Uv – Block copolymers
© EDP Sciences, 2006
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