Device Collagen Ni-FeAlloy ForceMapping Iron Polyimide Layer hard_disk_media TempControl fluoroalkane InorganicCompound HardDiskMedia Ferrite Edwin molecule MoirePattern Gold NeodymiumMagnets solar_cell HACrystal MonoLayer Tape NiFe Christmas Chemical_Vapor_Deposition Graphite hard_disk TemperatureControllerAFM NUS SelfAssembly suspended_graphene ScratchMode molecules OpticalWaveguide LiIonBattery