HDD Galfenol BiVO4 LiquidCrystal 3-hexylthiophene TPU Pvdf EFM OpticalWaveguides NTU frequency_modulation Piezoelectric sputter Oxide ReflexLens SKKU Adhesion DataStorage C_AFM Tin disulfide TemperatureControllerStage LiftHeight cannabidiol Regensburg 2-vinylpyridine Austenite TCS TipBiasMode solar_cell CntFilm LithiumNiobate gallium_nitride Led blended polymers Growth