Nanostructure CVD Polymer Calcium Praseodymium SrTiO3 Chloroform GaAs Polarization Zhi Current IISCBangalore P3HT Melt HOPG HafniumDioxide Nanotechnology BariumTitanate SAM Hysteresys SrO Microchannel HanyangUniv cross section Bmp STO Permalloy doped Yttria_stabilized_Zirconia PVA SKPM lithography PS_PVAC lift_mode conductive