Line Plot from Scientific Research

d I /d V spectra recorded at different sites (green, pore; blue, Cu adatom; black and red, dim and brighter molecules) as indicated in ( f ). The tip is fully calibrated in bare Cu(111) (gray curve). STM parameters: constant current, a , b , d , f U = 1 V, I = 100 pA. Source data are provided as a Source data file.

DOI