Anomalies in the ab-plane resistivity of strongly underdoped La_{2-x}Sr_{x}CuO_{4} single crystals: possible charge stripe ordering?

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dc.creatorGonnelli, R. S.
dc.creatorStepanov, V. A.
dc.creatorMorello, A.
dc.creatorUmmarino, G. A.
dc.creatorDaghero, D.
dc.creatorNatale, L.
dc.creatorLicci, Francesca
dc.creatorUbertalli, G.
dc.date2000-03-07
dc.date.accessioned2026-07-07T02:36:58Z
dc.date.available2026-07-07T02:36:58Z
dc.descriptionWe present and discuss the results of measurements of the ab-plane resistivity of La_{2-x}Sr_{x}CuO_{4} single crystals with small Sr contents (x=0.052-0.075). The resistivity was obtained in the temperature range between 4.2 K and 300 K by using an AC Van der Pauw technique. When the temperature is lowered, the rho_{ab}(T) curves show a transition from a linear behaviour to a semiconducting-like one. The deviation from the linearity occurs at a doping-dependent temperature T_{ch}. This effect can be interpreted as due to a progressive pinning of preexistent charge stripes. In the same framework, the appearance of anomalous sharp peaks in the rho_{ab}(T) curves of superconducting samples just above T_{c} may be explained by a transition from a nematic to a more ordered smectic electronic stripe phase.
dc.description4 RevTex pages, 4 EPS figures, submitted to Phys. Rev. B
dc.identifierhttps://arxiv.org/abs/cond-mat/0003100
dc.identifierhttp://arxiv.org/abs/cond-mat/0003100
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/16121
dc.subjectSuperconductivity
dc.titleAnomalies in the ab-plane resistivity of strongly underdoped La_{2-x}Sr_{x}CuO_{4} single crystals: possible charge stripe ordering?
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