Characterization of single crystals of high-tc superconductor la2-xsrxcu04

Nobutaka Aomine, Hiroshi Yamada, Yuji Soejima, Atsushi Okazaki, Isao Tanaka, Hironao Kojima

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3 Citations (Scopus)


High-angle double-crystal X-ray diffractometry (HADOX) has been applied to examine the quality of La2-, SrxCu04 crystals grown by the travelling-solvent floating-zone method. The two-dimensional intensity distribution in reciprocal space is measured for 0014 and 400 with CoKaq radiation in a temperature range 60-260 K. The temperature dependence of the lattice constants is also measured. It is found that the crystal consists of grains or regions with different chemical compositions (Ax — 0.01), and that the corresponding crystallographic axes in different grains are parallel. A tetragonal-to-orthorhombic phase transition is reflected in changes in the crystal orientation, peak splittings and lattice constants as functions of temperature.

Original languageEnglish
Pages (from-to)4959-4965
Number of pages7
JournalJapanese Journal of Applied Physics
Issue number11 R
Publication statusPublished - Nov 1993

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)


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