temp DOE StrontiumTitanate Silver cannabidiol C_AFM Grain SolarCell Morphology kelvin probe force microscopy MolecularSelfAssembly OxideLayer Pattern BoronNitride Friction FM-KPFM Graphite Vinylpyridine SiliconOxide Nanofiber ScanningIon-ConductanceMicroscopy Iron HiVacuum Film GalliumPhosphide MoS2 Piezoresponse Silicon Chloroform TCS AM_KPFM Calcium neodymium_magnets Conduct aluminum_nitride