GaAs SPMLabs neodymium_magnets IRDetector LowDensityPolyethylene CastIron IcelandSpar Annealing ItoGlass fifber UnivCollegeLondon HardDisk semifluorinated alkane norganic BreastCancerCell ThermalConductivity PDMS PhaseTransition tip_bias_mode Display Gallium NUS_NNI_Nanocore Dopped Tungsten_disulfide ScanningThermalMicroscopy ForceVolumeMapping food Mobile ScratchMode Permalloy self-assembly BiFeO3 temperature controller AFM vertical_PFM atomic_layer