contact Domain Fet University_of_Regensburg HydroGel Phthalocyanine molecular_beam NtuEee Photovoltaics mechanical property PpLdpe TungstenDeposition Organic cannabis FrictionalForce Yeditepe PhaseChange ScanningKelvinProbeMicroscopy PFM UnivOfMaryland PVA Hysteresys H-BN ferromagnetic EFM silicon_carbide Sio2 Electrical&Electronics Heating Conduct CrAu Solar StrontiuTitanate PetruPoni Vac