CHRYSALIS_INC optoelectronics MechanicalProperties OpticalElement MagneticPhase Logo TemperatureControl GalliumPhosphide PolymerPatterns self-assembly MESA structure HardDisk light_emission EFM Electrode Graphene mechanical property Silicon NUS_NNI_Nanocore HydroGel SelfAssembly Boron Semiconductor KAIST Permalloy Vanadate PhaseChange SicMosfet Water ContactModeDots multi_layer Implant KPFM OrganicSemiconductor lithography