University_of_Regensburg HexacontaneFilm rubber phase_change Calcium Composition Laser Force-distance IISCBangalore Wafer CeNSE_IISc temp Ptfe 2d_materials AtomicSteps polyvinyl acetate Platinum temp_control I-VSpectroscopy PetruPoni_Institute C_AFM ferromagnetic PolymerPatterns Roughness Polarization molecules thermoplastic_elastomers SThM Floppy Adhesion StyreneBeads Piezoelectric contact Transparent Magnetostrictive