Jove
Visualize
Contact Us

Related Experiment Videos

Ordering process in quenched block copolymers at low temperatures

Yokojima1, Shiwa

  • 1Division of Materials Science, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.

Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
|December 2, 2000
PubMed
Summary

Domain growth in symmetric diblock copolymers at low temperatures follows a logarithmic law. This occurs in the strong segregation limit, driven by surface diffusion during microphase separation.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Reductive use of renormalization group

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2000
Same author

Scaling Behavior of Block Copolymers in Spontaneous Growth of Lamellar Domains.

Physical review letters·1996
Same author

Effective action of a local composite operator.

Physical review. D, Particles and fields·1995
Same author

Fluctuation-induced first-order transition and dynamic scaling in Rayleigh-Bénard convection.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·1994
Same author

Hydrodynamic screening and diffusion in entangled polymer solutions.

Physical review letters·1987
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Area of Science:

  • Polymer science
  • Materials science
  • Soft matter physics

Background:

  • Diblock copolymers undergo microphase separation into ordered nanostructures.
  • Understanding domain growth kinetics is crucial for controlling material properties.

Purpose of the Study:

  • To investigate domain growth mechanisms in symmetric diblock copolymers at low temperatures.
  • To develop and validate a nonlinear diffusion model for microphase separation.

Main Methods:

  • Phenomenological nonlinear diffusion model with order-parameter-dependent mobility.
  • Two-dimensional (2D) simulations of microphase separation.
  • Analysis of time-dependent scattering function for dynamical scaling.

Main Results:

Related Experiment Videos

  • The study reveals a logarithmic growth law for domain coarsening.
  • Dynamical scaling is observed in the time-dependent scattering function.
  • Surface diffusion is identified as the dominant coarsening mechanism in the strong segregation limit.

Conclusions:

  • The developed model accurately describes domain growth in diblock copolymers.
  • Logarithmic growth kinetics are characteristic of low-temperature, strong segregation regimes.
  • Findings provide insights into controlling nanostructure formation in block copolymers.