KPFM LiquidCell Nickel ULCA SiWafer CuParticle ElectroChemical StrontiumTitanate Regensburg Nanostructure Hafnium_dioxide suspended_graphene Potential ScratchMode Varistor Platinum Strontium Neodymium Croatia optoelectronics PS_PVAC Etch TempControl Liquid Alkane thermal_property Al2O3 PolyvinylAcetate Solar mechanical property Polymer Non-ContactMode HumanHair CaMnO3 Battery