Colossal Dielectric Constants in Braced Lattices with Defects

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dc.creatorRamirez, A. P.
dc.creatorLawes, G.
dc.creatorButko, V.
dc.creatorSubramanian, M. A.
dc.creatorVarma, C. M.
dc.date2002-09-20
dc.date.accessioned2026-07-07T02:47:22Z
dc.date.available2026-07-07T02:47:22Z
dc.descriptionThe dielectric constant of CaCu3Ti4O12 is measured with a different electrode geometry than previous measurements. Similar colossal values are obtained showing that they are "intrinsic" to the material. We show that in braced structures such as CaCu3Ti4O12, a small concentration O(10-3) of defects, which disrupt the bracing and relax between different equivalent configurations, can lead to colossal dielectric constants above a characteristic temperature. The dielectric constant e(w,T) has a frequency and temperature dependence of the same form as found experimentally.
dc.description9 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0209498
dc.identifierhttp://arxiv.org/abs/cond-mat/0209498
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/19985
dc.subjectCondensed Matter
dc.titleColossal Dielectric Constants in Braced Lattices with Defects
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