hetero_structure WPlug Forevision IIT-chennai PhaseChange Chromium Semiconductor Non-ContactMode TiO2 PVAC Praseodymium EvatecAG Permalloy Melt Wonseok SiWafer Phase NTU Alloy conductive Gallium_Arsenide molecules Blood TemperatureControllerAFM MagneticPhase OpticalWaveguides Al2O3 Subhajjit ContactMode NUS gallium_nitride HardDisk LeakageCurrent TungstenThinFilmDeposition BreastCancerCell