focused ion beam Cyclic voltammetry 1 DLC 1 EDX 1 Energy dispersive X ray spectroscopy 1 Energy dispersive spectroscopy 1 Energy gap 1 FEB 1 FIB 1 Focused electron beams 1 Focused ion beams 1 Focused ions beams 1 Platinum 1 Pyrolytic graphite 1 Quantum tunneling 1 Resistance measurement 1 Scanning tunneling microscopy 1 Scanning tunnelling microscopes 1 Tunneling voltages 1 anodic aluminum oxide 1 crystallographic orientation 1 defect-free array 1 focused electron beam 1 platinum carbon 1 quantum tunneling 1 scanning tunneling microscopy 1 single crystal substrate 1