Crystal growth of Sr2RuO4

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

doi:10.1016/S0025-5408(00)00378-0

Crystal growth of Sr₂RuO₄

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

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Abstract

We describe the details of crystal growth of Sr₂RuO₄ by a floating-zone method. The superconducting transition temperature T_c can be controlled by adjustment of crystal growth conditions. By optimizing the growth conditions, crystals with T_c 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 T_c 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 Sr₃RuO_5+δ.

Original language	English (US)
Pages (from-to)	1813-1824
Number of pages	12
Journal	Materials Research Bulletin
Volume	35
Issue number	11
DOIs	https://doi.org/10.1016/S0025-5408(00)00378-0
State	Published - Aug 2000

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "Crystal growth of Sr2RuO4",

abstract = "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.",

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T1 - Crystal growth of Sr2RuO4

AU - Mao, Z. Q.

AU - Maenoab, Y.

AU - Fukazawa, H.

PY - 2000/8

Y1 - 2000/8

N2 - 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.

AB - 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.

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SP - 1813

EP - 1824

JO - Materials Research Bulletin

JF - Materials Research Bulletin

IS - 11

ER -

Crystal growth of Sr₂RuO₄

Abstract

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