Charge-Density-Wave like Behavior in the One-Dimensional Charge-Ordered Semiconductor (NbSe4)3I

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We report on broadband dielectric spectroscopy on the one-dimensional semiconductor (NbSe4)3I. Below the structural phase transition close to 270 K we observe colossal dielectric constants with a frequency and temperature dependence very similar to what is observed in canonical charge-density wave systems. Guided by structural details we interpret this structural phase transition as driven by complex charge-order processes.
4 pages, 3 figures

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/96847

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0504675
 http://arxiv.org/abs/cond-mat/0504675
 Phys. Rev. Lett. 96, 046402 (2006)
 doi:10.1103/PhysRevLett.96.046402

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arXiv