Crystal growth of ( La,Sr)2CuO4 by float zone melting

K. Zhang, R. Mogilevsky, D. G. Hinks*, J. Mitchell, A. J. Schultz, Y. Wang, V. Dravid

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

High quality single crystals of La2 - xSrxCuO4 (x = 0.15, 0.20) have been successfully grown using the floating zone method. Stoichiometric feed rods were prepared with a density high enough to directly zone refine. The chemical composition of the molten zone was allowed to establish itself during the first few zone lengths, thus no nonstoichiometric seed rod was necessary. Neutron diffraction shows the boule is composed of several large grains. The grain boundaries are found to be Sr-rich, containing La2SrCu2O6. Electron microscopy, X-ray back-reflection Laue and AC susceptibility data are used to characterize the crystals.

Original languageEnglish (US)
Pages (from-to)73-78
Number of pages6
JournalJournal of Crystal Growth
Volume169
Issue number1
DOIs
StatePublished - Nov 1996

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

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