Pyroelectric Battery SKKU AtomicSteps Optoelectonics Tungsten PolyvinylAcetate LiquidImaging PpLdpe Electrode PtfeFilter Anneal LMF silicon_oxide neodymium_magnets PVA SingleLayer EvatecAG mono_layer LifeScience Sperm TyphimuriumBiofilm Vanadate thermal_conductivity Nanotechnology FM-KPFM thermoplastic_elastomers LogAmplifier SoftSample ScanningTunnelingMicroscopy #Materials KAIST HardDisk sputter 2-vinylpyridine