GaAs FailureAnlaysis IIT-chennai Oxidation Vortex Blend rubber Microchannel LateralForce Butterfly Graphite non_contact Techcomp PhaseImaging Foil Varistor MLCC ReflexLens OpticalWaveguides BiasMode Sio2 PyroelectricDetector Polydimethylsiloxane ChemicalCompound piezoelectric force microscopy Bmp MultiferroicMaterials Regensburg multi_layer SSRM molecules epitaxy SmallScan ForceVolumeImage Lateral