Structural response to local charge order in underdoped but superconducting La2-x(Sr,Ba)xCuO4

Details Structural response to local charge order in underdoped but superconducting La2-x(Sr,Ba)xCuO4 Structural response to local charge order in underdoped but superconducting La2-x(Sr,Ba)xCuO4

2000-09-09

arxiv.org/abs/cond-mat/0009141v2

Physics

Condensed Matter

Superconductivity

4 pages, 3 figures

Scientific paper

We report an anomalous local structural response in the CuO2 planes associated with the appearance of charge inhomogeneities at low temperature in underdoped but superconducting La2-x(Sr,Ba)xCuO4. We used pair distribution function analysis of neutron powder diffraction data. The increase in the Cu-O bond length distribution at low temperature has an onset temperature which correlates with observations of charge and spin freezing seen by other probes.

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