Microscopic Charge Inhomogeneities in Underdoped La_2-xSr_xCuO_4: Local Structural Evidence

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dc.creatorBillinge, S. J. L.
dc.creatorBozin, E. S.
dc.creatorGutmann, M.
dc.creatorTakagi, H.
dc.date2000-05-02
dc.date.accessioned2026-07-07T02:37:31Z
dc.date.available2026-07-07T02:37:31Z
dc.descriptionWe present local structural evidence for the existence of charge inhomogeneities at low temperature in underdoped and optimally doped La_2-xSr_xCuO_4. The inhomogeneities disappear for x > 0.2. The evidence for the charge inhomogeneities comes from an anomalous increase in the in-plane Cu-O bond length distribution in the underdoped samples as well as evidence for CuO_6 octahedral tilt inhomogeneities in the intermediate range structure. Preliminary analysis of the temperature dependence of this phenomenon indicates that the inhomogeneities set in at temperatures in the range 60 K < Tco < 130 K which depends on doping.
dc.description8 pages, 7 figures, to appear in J. Supercond., proceedings of the conference "Major Trends in Superconductivity in the New Millenium, Klosters, Switzerland, April 1st-6th 2000"
dc.identifierhttps://arxiv.org/abs/cond-mat/0005032
dc.identifierhttp://arxiv.org/abs/cond-mat/0005032
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/16315
dc.subjectSuperconductivity
dc.titleMicroscopic Charge Inhomogeneities in Underdoped La_2-xSr_xCuO_4: Local Structural Evidence
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