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

doi:10.1016/0022-0248(95)01003-3

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

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

High quality single crystals of La_{2 - x}Sr_xCuO₄ (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 language	English (US)
Pages (from-to)	73-78
Number of pages	6
Journal	Journal of Crystal Growth
Volume	169
Issue number	1
DOIs	https://doi.org/10.1016/0022-0248(95)01003-3
State	Published - Nov 1996

ASJC Scopus subject areas

Condensed Matter Physics
Inorganic Chemistry
Materials Chemistry

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

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.",

author = "K. Zhang and R. Mogilevsky and Hinks, {D. G.} and J. Mitchell and Schultz, {A. J.} and Y. Wang and V. Dravid",

year = "1996",

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T1 - Crystal growth of ( La,Sr)2CuO4 by float zone melting

AU - Zhang, K.

AU - Mogilevsky, R.

AU - Hinks, D. G.

AU - Mitchell, J.

AU - Schultz, A. J.

AU - Wang, Y.

AU - Dravid, V.

PY - 1996/11

Y1 - 1996/11

N2 - 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.

AB - 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.

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