Low-bias negative differential conductance controlled by electrode separation
Yi Xiao-Hua, Liu Ran, Bi Jun-Jie, Jiao Yang, Wang Chuan-Kui, Li Zong-Liang†,
       

Electronic transport properties of TADHA molecular junction with D = 2.47 nm. (a) Current and differential conductance each as a function of applied bias voltage. (b) Transmission spectra under different bias voltages.