Crystal growth of Sr2RuO4

Z. Q. Mao, Y. Maenoab, H. Fukazawa

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We describe the details of crystal growth of Sr2RuO4 by a floating-zone method. The superconducting transition temperature Tc can be controlled by adjustment of crystal growth conditions. By optimizing the growth conditions, crystals with Tc up to 1.50 K have been obtained. In addition, we observed three kinds of two-phase composite structures grown under different conditions. They include (1) a Sr2RuO4-Ru eutectic system, in which lamellae of Ru are embedded in the primary phase of Sr2RuO4, resulting in a remarkable enhancement in Tc by a factor of about 2; (2) epitaxial-like intergrowth of ferromagnetic SrRuO3 on Sr2RuO4; and (3) eutectic growth of Sr2RuO4 and a new insulating phase with the possible composition of Sr3RuO5+δ.

Original languageEnglish (US)
Pages (from-to)1813-1824
Number of pages12
JournalMaterials Research Bulletin
Issue number11
StatePublished - Aug 2000

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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