Min-Jie Huang, Shao-An Hua, Ming-Dung Fu, Gin-Chen Huang, Caixia Yin, Chih-Hung Ko, Ching-Kuo Kuo, Chia-Hung Hsu, Gene-Hsiang Lee, Kuan-Yi Ho, Chia-Hsin Wang, Yaw-Wen Yang, I-Chia Chen, Shie-Ming Peng, Chun-hsien Chen
This study develops the first heteropentametal extended metal atom chain (EMAC) in which a string of nickel cores is incorporated with a diruthenium unit to tune the molecular properties. Spectroscopic, crystallographic, and magnetic characterizations show the formation of a fully delocalized Ru2(5+) unit. This [Ru2]-containing EMAC exhibits single-molecule conductance four-fold superior to that of the pentanickel complex and results in features of negative differential resistance (NDR), which are unobserved in analogues of pentanickel and pentaruthenium EMACs...
April 14, 2014: Chemistry: a European Journal