"Yutaka Majima,Daisuke Ogawa,Masachika Iwamoto,Yasuo Azuma,Eiji Tsurumaki,Atsuhiro Osuka","Negative Differential Resistance by Molecular Resonant Tunneling between Neutral Tribenzosubporphine Anchored to a Au(111) Surface and Tribenzosubporphine Cation Adsorbed on to a Tungsten Tip",,"J. Am. Chem. Soc.",,"Vol. 135",,"pp. 14159-14166",2013,Sept.