CompactDisk VerticalPFM Tungsten Led Yeditepe_University MESA structure Ca10(PO4)6(OH)2 Sulfur hard_disk_media PetruPoni_Institute Bacteria ContactModeDots Praseodymium HumanHair FrictionalForce NtuEee Pinpoint China OpticalWaveguides HfO2 PolyvinylideneFluoride single_layer Epoxy Resistance BCZT Hair Ni-FeAlloy Magnetic MBE WPlug ElectroDeposition Piezo Insulator LMF Yttria_stabilized_Zirconia