align hetero_structure MetalCompound LaAlO3 Butterfly fluorocarbon PolyvinylideneFluoride Wonseok SiliconOxide Sphere PolymerPatterns Varistor EFM GaN Edwin I-VSpectroscopy IndiumTinOxide HighAcpectRatio SKKU Mechinical Oxidation Pores PVAC Calcite cooling HACrystal Permalloy Led NUS_NNI_Nanocore Liquid Hexacontane Gong pulsed_laser_deposition FrictionalForce ConductingPolymer