期刊
CHEMICAL PHYSICS LETTERS
卷 582, 期 -, 页码 86-89出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2013.07.019
关键词
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资金
- National Science Foundation [CHE-1124762]
- Louisiana Board of Regents [LEQSF-EPS(2013)-PFUND-304]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1124762] Funding Source: National Science Foundation
Molecular quantum-dot cellular automata (QCA) paradigm is a promising approach to molecular electronics. QCA cells can be implemented using mixed-valence compounds. However, the existence of counterions can perturb the local electric field and thus is detrimental to information encoding and processing. Here we examine the feasibility of using charge neutral, zwitterionic mixed-valence complex as QCA cells in which the positive and negative charges are found at different yet fixed locations within the molecule and therefore counterion effects are more predictable and controllable. A double-dot model molecule based on the derivative of the 1-carba-closo-decaborate monoanion [closo-1-CB9H10](-) is investigated using computational chemistry techniques. The model molecule demonstrates bistability and switchability. (C) 2013 Elsevier B.V. All rights reserved.
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