Nickel NTU ImideMonomer 2d_materials gallium_nitride TemperatureControl tip_bias_mode fluoroalkane Heating self-assembled_monolayer ScanningIon-ConductanceMicroscopy Heat Temperature StrontiuTitanate AIN solar_cell Hexatriacontane amplitude_modulation layers TempControl Tungsten ScanningKelvinProbeMicroscopy CompactDisk Polyethylene University_of_Regensburg OrganicSemiconductor Organic Change BreastCancerCell Adhesion ConductingPolymer OpticalModulator Praseodymium Sperm Pattern