We studied oxygen staging in a series of La2-xSrxCuO4 (LSCO) samples using neutron scattering. The samples were oxidized using electrochemistry. Electronic phase separation was previously reported in the oxygen rich LSCO system with two stable phases identified as optimally doped superconducting phase and a magnetic phase (1/8th like) with the same ordering temperatures at 40 K [1]. Our present studies show staging in this system. Although staging was observed and extensively studied in the samples with no Sr [2], it has not been reported or systematically studied in the systems with both Sr and oxygen. We do find staging in the oxygenated LSCO system, but the staging peaks evolve as Sr concentration increases and excess oxygen concentration decreases. [1] H Mohottala et al. Nature Materials \textbf{5}, 377 - 382 (2006), [2] B.O. Wells et al., Z. Phys. B 100, 535 (1996).
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Authors
Hashini Mohottala
University of Hartford, 200, Bloomfield Ave. West-Hartford, CT-06117
University of Hartford, 200 Bloomfield Avenue
Linda Udby
e-Science and Nanoscience Centres, Niels Bohr Institute, Universistetsparken 5, 2100
Samuel Emery
University of Connecticut, 2152, Hillside road, Storrs
University of Connecticut, 2152, Hillside road, Storrs CT-06269
B.O. Wells
Department of Physics, University of Connecticut, Storrs, CT 06269
University of Connecticut, 2152, Hillside road, Storrs
University of Connecticut, 2152, Hillside road, Storrs CT-06269
J. I. Budnick
Department of Physics, University of Connecticut, Storrs, CT 06269
University of Connecticut, 2152, Hillside road, Storrs
University of Connecticut, 2152, Hillside road, Storrs CT-06269
