NUS_Physics IMT_Bucharest KPFM PS_LDPE ScanningKelvinProbeMicroscopy University_of_Regensburg optoelectronics FailureAnlaysis AIN Polyurethane Temasek_Lab AlkaneFilm Hysteresys BloodCell Ananth BCZT GaN fluoroaalkane Phosphide fluoroalkane InLiquid Cancer CuParticle kelvin probe force microscopy Wonseok piezoelectric force microscopy HexagonalBN Pyroelectric NusEce SurfaceOxidation Conducting alkanes chemical_compound PhaseChange Collagen