Hole HanyangUniv Change HDD Heat Ca10(PO4)6(OH)2 C36H74 EPFL OpticalModulator MeltingPoint Polyimide Calcium Holes phase_change Nanostructure Ceramics temp_control GranadaUniv ring shape KPFM Sic LiIonBattery Implant ScratchMode Pore GaAs PVA PhthalocyaninePraseodymium dielectric_trench Regensburg SAM PvdfFilm Gallium_Arsenide PECurve AM_KPFM