PolyvinylideneFluoride Plug Pyroelectric electrospinning WPlug GlassTemp Switching Layer Device Terrace Fiber STM Fujian Metal-organicComplex BlockCopolymer HardDiskMedia blended polymers molecules KelvinProbeForceMicroscopy Imprint HanyangUniv MechanicalProperty Silver silicon_carbide Lift aluminum_nitride SmalScan H-BN Hole HBN AdhesionEnergy FrictionalForceMicroscopy Tin sulfide Granada Transparent