Low-temperature ordering effects in diblock copolymer melts from lattice simulation.
A lattice simulation of a model diblock copolymer melt is presented. In a series of simulation experiments an 8-8 diblock melt is quenched from an athermal state to 47 lower temperatures. A set of simulation boxes, 30 x 32 x 30, 40 x 32 x 60, 50 x 32 x 30, and 60 x 32 x 30, is used in order to explore the size effects. Energy, specific heat, copolymer end-to-end distance, lamellar spacing, and the degree of interfacial ordering are reported. For all sizes considered, the low-temperature interfacial ordering is noticeable.
Wołoszczuk
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Institute of Physics, Adam Mickiewicz University, ul. Umultowska 85, 61-614 Poznan, Poland.
Banaszak
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Jurga
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S
Pakula
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T
Radosz
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M