Substrate-free films of N-4-n-butoxybenzylidene-4-n-octylaniline(40.8)show a fascinating interlayer interaction.This interaction significantly affects the next ordering transition,or the second hexatic-B order,upon co...Substrate-free films of N-4-n-butoxybenzylidene-4-n-octylaniline(40.8)show a fascinating interlayer interaction.This interaction significantly affects the next ordering transition,or the second hexatic-B order,upon cooling.The Landau-de Gennes theory is employed to model the effect of the enhanced order by surface-ordering field.Based on this model,it is found that the surface-order penetration depth to be less than one layer.展开更多
文摘Substrate-free films of N-4-n-butoxybenzylidene-4-n-octylaniline(40.8)show a fascinating interlayer interaction.This interaction significantly affects the next ordering transition,or the second hexatic-B order,upon cooling.The Landau-de Gennes theory is employed to model the effect of the enhanced order by surface-ordering field.Based on this model,it is found that the surface-order penetration depth to be less than one layer.
