Image potential states mediated STM imaging of cobalt phthalocyanine on NaCl/Cu(100)

Guo Qinmin¹, Qin Zhihui¹, Huang Min¹, Mantsevich Vladimir N.², Cao Gengyu^{1, †,}

(a) STM image of CoPc molecules on NaCl/Cu(100) in sub-molecular resolution (1.8 nm×1.8 nm, V_b = 1.5 V, I_t = 74 pA). (b) Calculated real-space distribution of LUMO of a free CoPc molecule.