Polypropylene ForceVolumeImage blended polymers TemperatureControllerStage Spincast IIT-chennai BaTiO3 Varistor Polyaniline HOPG Non-ContactMode HydroGel Semiconductor multi_layer cannabis Aluminum Strontium Writing Crystal HighResolution BlockCopolymer Austenite LowDensityPolyethylene #EC Regensburg FrictionalForceMicroscopy fifber atomic_steps CP-AFM Monisha Pinpoint PFM Blend HexagonalBoronNitride ConductingPolymer FrictionalForce