Piezoresponse SurfaceOxidation flakes OxideLayer #EC Display temperature_control HexagonalBN MeltingPoint SKKU Varistor high_resolution IVSpectroscopy HBN Butterfly Liquid MembraneFilter semifluorinated alkane BiVO4 LightEmission optoelectronics solar_cell Electrical&Electronics NUSNNI TungstenThinFilmDeposition I-VSpectroscopy GaP StrontiuTitanate tip_bias_mode FrictionalForceMicroscopy LiquidCrystal HardDisk 2-vinylpyridine Mechanical ScanningTunnelingMicroscopy