cooling ForceVolume Polyurethane Hafnia KPFM LiquidCrystal HfO2 BiVO4 FastScan Force-distance OpticalElement Praseodymium Vortex membrane ElectroDeposition Subhajjit ForceDistanceSpectroscopy Wang DNAProtein Conductivity WPlug Terrace Heat Korea ring shape block_copolymer Edwin fe_nd_b PVA ScanningKelvinProbeMicroscopy ForceVolumeMapping IMT_Bucharest Pyroelectric nanobar Optoelectonics