HighResolution Ni81Fe19 temp_control membrane Nanopattern Polydimethylsiloxane Molybdenum_disulfide Zhi MechanicalProperties LightEmission Current temp SmallScan Wildtype nanomechanical Cell PiezoelectricForceMicroscopy OpticalElement Collagen HexacontaneFilm Hafnium_dioxide Hexacontane FrictionalForce Pvdf Steps Optical Gold HighAspect StrontiumTitanate ULCA SThM Conductance NtuEee Thermal AdhesionEnergy