Typhimurium NiFe PVAC PhaseChange single_layer PUR dichalcogenide UTEM pinpoint mode pulsed_laser_deposition Chromium layers Chrome HfO2 tip_bias_mode DentalProsthesis Step MolybdenumDisulfide PolyvinylAcetate Thermoplastic_polyurethane GaP #EC H-BN SPMLabs GaAs Austenite UnivOfMaryland PS_LDPE Deposition Domain Wonseok IIT-chennai AtomicLayer Varistor CP-AFM