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Sadlik B, Talon L, Kawka S, et al. Critical behavior of the banded-unbanded spherulite transition in a mixture of ethylene carbonate with polyacrylonitrile. Phys Rev E Stat Nonlin Soft Matter Phys. 2005;71(6):061602doi: 10.1103/PhysRevE.71.061602.
Sadlik, B., Talon, L., Kawka, S., Woods, R., & Bechhoefer, J. (2005). Critical behavior of the banded-unbanded spherulite transition in a mixture of ethylene carbonate with polyacrylonitrile. Physical review. E, Statistical, nonlinear, and soft matter physics, 71(6), 061602. https://doi.org/10.1103/PhysRevE.71.061602
Sadlik, Bram, et al. "Critical behavior of the banded-unbanded spherulite transition in a mixture of ethylene carbonate with polyacrylonitrile." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 71,6 (2005): 061602. doi: https://doi.org/10.1103/PhysRevE.71.061602
Sadlik B, Talon L, Kawka S, Woods R, Bechhoefer J. Critical behavior of the banded-unbanded spherulite transition in a mixture of ethylene carbonate with polyacrylonitrile. Phys Rev E Stat Nonlin Soft Matter Phys. 2005 Jun;71(6):061602. doi: 10.1103/PhysRevE.71.061602. Epub 2005 Jun 21. PMID: 16089743.
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Phys Rev E Stat Nonlin Soft Matter Phys. 2005 Jun;71(6):061602. doi: 10.1103/PhysRevE.71.061602. Epub 2005 Jun 21.

Critical behavior of the banded-unbanded spherulite transition in a mixture of ethylene carbonate with polyacrylonitrile.

Physical review. E, Statistical, nonlinear, and soft matter physics

Bram Sadlik, Laurent Talon, Sébastien Kawka, Russell Woods, John Bechhoefer

Affiliations

  1. Department of Physics, Simon Fraser University, Burnaby, British Columbia, V5A 1S6, Canada.

PMID: 16089743 DOI: 10.1103/PhysRevE.71.061602

Abstract

We investigate the transition from unbanded to banded spherulitic growth in mixtures of ethylene carbonate with polyacrylonitrile. By carefully considering systematic errors, we show that the band spacing diverges with a power-law form showing scaling over nearly two decades. We also observe that the bands disorder as the transition point is approached. The critical exponent is nonclassical. One possible explanation is that the nonequilibrium transition is actually weakly first order (subcritical).

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