University_of_Regensburg Collagen silicon_carbide Hair light_emitting PinpointPFM hydrocarbon doped Force-distance LightEmission vertical_PFM self-assembled_monolayer Adhesive SiliconeOxide optoelectronics Conductance Plug blended polymers YszSubstrate plastic Switching Bacterium MoS2 molecular_self_assembly SPMLabs Molybdenum_disulfide BismuthVanadate ScratchMode heterojunctions SSRM Gong ForceVolumeImage Hexacontane Hole Inorganic_Compound