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  • Title: Orientational order in block copolymer films zone annealed below the order--disorder transition temperature.
    Author: Berry BC, Bosse AW, Douglas JF, Jones RL, Karim A.
    Journal: Nano Lett; 2007 Sep; 7(9):2789-94. PubMed ID: 17691851.
    Abstract:
    We report measurements of rapid ordering and preferential alignment in block copolymer films zone annealed below the order-disorder transition temperature. The orientational correlation lengths measured after approximately 5 h above the glass-transition temperature ( approximately 2 microm) were an order of magnitude greater than that obtained under equivalent static annealing. The ability to rapidly process polymers with inaccessible order-disorder transition temperatures suggests zone annealing as a route toward more robust nanomanufacturing methods based on block copolymer self-assembly.
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