When ordered, {HEAD ~ a balance} between the physics that determines the bulk block copolymer morphology and {TAIL ~ the physics} that determines the substrate surface interfacial interactions results in a thermodynamically stable complex three dimensional film that varies in a direction perpendicular to the substrate and has a morphology that differs from its bulk morphology 
between
When ordered , { HEAD ~ a balance } between the physics that determines the bulk block copolymer morphology and { TAIL ~ the physics } that determines the substrate surface interfacial interactions results in a thermodynamically stable complex three dimensional film that varies in a direction perpendicular to the substrate and has a morphology that differs from its bulk morphology
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH