Singapore TCS HighAcpectRatio OxideLayer AtomicSteps silicon_oxide HafniumDioxide optoelectronics ring shape aluminum_nitride MoirePattern BlockCopolymer C60H122 Dr.JurekSadowski Sperm PinPointMode Pipette frequency_modulation MESA structure FAPbI3 Growing fluoroaalkane thermal_property Chungnam_National_University ThermalDetectors light_emitting ScanningIon-ConductanceMicroscopy PANI Boundary Trench Piezo LMF dielectric_trench StrontiuTitanate PECurve