LDPE mechanical_property PolyvinylideneFluoride BismuthFerrite CrossSection India temperature_control Device SiliconCrystal TyphimuriumBiofilm Sadowski Piezoelectric Sio2 molecule AM-KPFM chemical_compound OpticalElement Moire Lift Celebration Temperature domain_switching Crystal Step Hexylthiophene StrontiumTitanate OpticalModulator pinpoint mode PVA HDD Strontium LowDensityPolyethylene Piranha LiBattery Indent