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Peierls Instability and Electron-Phonon Coupling in a One-dimensional Sodium Wire | | Prasenjit Sen
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22 Jun 2006 | | Subject: | Materials Science | | Abstract: | We have studied Peierls instability in an atomically thin wire of sodium atoms using first-principles density-functional methods. A Na wire has a stable uniform linear structure over a range of inter-atomic distances. At smaller inter-atomic distances it develops a zigzag distortion. At larger inter-atomic distances, just before breaking, a Na wire undergoes a very weak Peierls dimerization. This behavior of a Na wire is understood in terms of its electron-phonon coupling properties. | | Source: | arXiv, cond-mat/0606567 | | Services: | Forum | Review | PDF | Favorites | |
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