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- Title
The First Heteropentanuclear Extended Metal-Atom Chain: [Ni<sup>+</sup>Ru<sub>2</sub><sup>5+</sup>Ni<sup>2+</sup>Ni<sup>2+</sup>(tripyridyldiamido)<sub>4</sub>(NCS)<sub>2</sub>].
- Authors
Huang, Min ‐ Jie; Hua, Shao ‐ An; Fu, Ming ‐ Dung; Huang, Gin ‐ Chen; Yin, Caixia; Ko, Chih ‐ Hung; Kuo, Ching ‐ Kuo; Hsu, Chia ‐ Hung; Lee, Gene ‐ Hsiang; Ho, Kuan ‐ Yi; Wang, Chia ‐ Hsin; Yang, Yaw ‐ Wen; Chen, I ‐ Chia; Peng, Shie ‐ Ming; Chen, Chun ‐ hsien
- Abstract
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 Ru25+ 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. A plausible mechanism for the NDR behavior is proposed for this diruthenium-modulated EMAC.
- Subjects
CRYSTALLOGRAPHY; ELECTRIC admittance; METAL bonding; WIRE; ATOMS
- Publication
Chemistry - A European Journal, 2014, Vol 20, Issue 16, p4526
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201400067