Flake Cobalt PS_PVAC Battery SoftSample Insulator PolyvinylAcetate C36H74 UTEM Vanadate RedBloodCell GranadaUniv Indium_tin_oxide NanoLithography self-assembly HardDiskMedia AAO HDD EvatecAG Materials Optic Array Hafnia Logo Nanopattern Microchannel frequency_modulation YszSubstrate Composite PhaseTransition Crystal Non-ContactMode cross section PVAP3HT Wonseok