Phase separation and staging behavior in La{sub 2}CuO{sub 4+{delta}}

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Neutron scattering and magnetization measurements have been performed on three single crystals of La{sub 2}CuO{sub 4+{delta}}. For two crystals with {delta}{approx}0.02 and 0.03 phase separation of the intercalated oxygen occurs below 280 K whereas stage ordering occurs below 255 K. A third crystal exhibits no phase separation and a higher stage ordering temperature. All three show evidence for an in- plane ordering around 210 K. We propose a phase diagram which summarizes our observations.

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4 p.

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Birgeneau, R. J.; Chou, F. C.; Kastner, M. A.; Lee, Y. S.; Wells, B. O.; Endoh, Y. et al. June 1996.

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Description

Neutron scattering and magnetization measurements have been performed on three single crystals of La{sub 2}CuO{sub 4+{delta}}. For two crystals with {delta}{approx}0.02 and 0.03 phase separation of the intercalated oxygen occurs below 280 K whereas stage ordering occurs below 255 K. A third crystal exhibits no phase separation and a higher stage ordering temperature. All three show evidence for an in- plane ordering around 210 K. We propose a phase diagram which summarizes our observations.

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4 p.

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OSTI as DE96010690

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  • 10. anniversary high temperature superconductivity workshop on physics, materials and applications, Houston, TX (United States), 12-16 Mar 1996

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  • Other: DE96010690
  • Report No.: BNL--63037
  • Report No.: CONF-960366--9
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 241425
  • Archival Resource Key: ark:/67531/metadc671737

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  • June 1996

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  • June 29, 2015, 9:42 p.m.

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  • Nov. 9, 2015, 1:43 p.m.

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Birgeneau, R. J.; Chou, F. C.; Kastner, M. A.; Lee, Y. S.; Wells, B. O.; Endoh, Y. et al. Phase separation and staging behavior in La{sub 2}CuO{sub 4+{delta}}, article, June 1996; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc671737/: accessed November 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.