Crystal growth of Bi2(Sr,Nd/Sm)2CuOy and their superconductivity

M. Kikuchi; M. Itou; H. Faqir; T. Atou; Y. Murakami; Y. Syono

doi:10.1016/S0022-0248(01)01188-5

Crystal growth of Bi₂(Sr,Nd/Sm)₂CuO_y and their superconductivity

M. Kikuchi
, M. Itou
, H. Faqir
, T. Atou
, Y. Murakami
, Y. Syono

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

Abstract

Bi₂Sr_2-xLn_xCuO_y (Ln=Nd, Sm) was synthesized in the range of x=0.2-0.6 and a single phase was obtained in the range of x=0.3-0.6. A diamagnetic signal was observed for x=0.2-0.6 and the maximum T_c of 23 K for Nd³⁺ and 17 K for Sm³⁺ was obtained around x=0.5 and 0.4, respectively. Single crystals of Bi₂Sr_2-xLn_xCuO_y (Ln = Nd, Sm) were successfully grown by the self-flux method from the melt of stoichiometric composition. DTA was used to determine the thermal cycle. The as-grown crystal from the melt of Bi₂Sr_1.6Nd_0.4CuO_y was Bi₂Sr_1.6Nd_0.4CuO_y with dimensions over 2mm and exhibited superconductivity at T_c∼20K. The crystal growth of Bi₂Sr_2-xSm_xCuO_y was examined for the stoichiometric melt of Bi₂Sr_1.5Sm_0.5CuO_y. However, we could not observe single crystal with 2 2 0 1 structure. The crystal had 2 2 1 2 structure and showed no superconductivity.

Original language	English
Pages (from-to)	396-400
Number of pages	5
Journal	Journal of Crystal Growth
Volume	229
Issue number	1
DOIs	https://doi.org/10.1016/S0022-0248(01)01188-5
Publication status	Published - Jul 2 2001
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Inorganic Chemistry
Materials Chemistry

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10.1016/S0022-0248(01)01188-5

Cite this

@article{6ec718940af34e2798b7cead14e0df76,

title = "Crystal growth of Bi2(Sr,Nd/Sm)2CuOy and their superconductivity",

abstract = "Bi2Sr2-xLnxCuOy (Ln=Nd, Sm) was synthesized in the range of x=0.2-0.6 and a single phase was obtained in the range of x=0.3-0.6. A diamagnetic signal was observed for x=0.2-0.6 and the maximum Tc of 23 K for Nd3+ and 17 K for Sm3+ was obtained around x=0.5 and 0.4, respectively. Single crystals of Bi2Sr2-xLnxCuOy (Ln = Nd, Sm) were successfully grown by the self-flux method from the melt of stoichiometric composition. DTA was used to determine the thermal cycle. The as-grown crystal from the melt of Bi2Sr1.6Nd0.4CuOy was Bi2Sr1.6Nd0.4CuOy with dimensions over 2mm and exhibited superconductivity at Tc∼20K. The crystal growth of Bi2Sr2-xSmxCuOy was examined for the stoichiometric melt of Bi2Sr1.5Sm0.5CuOy. However, we could not observe single crystal with 2 2 0 1 structure. The crystal had 2 2 1 2 structure and showed no superconductivity.",

author = "M. Kikuchi and M. Itou and H. Faqir and T. Atou and Y. Murakami and Y. Syono",

note = "Funding Information: This work was partly supported by the Laboratory for Developmental Research of Advanced Materials, Institute for Materials Research, Tohoku University. SQUID measurements were performed at the Center for Low Temperature Science, Tohoku University.",

year = "2001",

month = jul,

day = "2",

doi = "10.1016/S0022-0248(01)01188-5",

language = "English",

volume = "229",

pages = "396--400",

journal = "Journal of Crystal Growth",

issn = "0022-0248",

publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Crystal growth of Bi2(Sr,Nd/Sm)2CuOy and their superconductivity

AU - Kikuchi, M.

AU - Itou, M.

AU - Faqir, H.

AU - Atou, T.

AU - Murakami, Y.

AU - Syono, Y.

N1 - Funding Information: This work was partly supported by the Laboratory for Developmental Research of Advanced Materials, Institute for Materials Research, Tohoku University. SQUID measurements were performed at the Center for Low Temperature Science, Tohoku University.

PY - 2001/7/2

Y1 - 2001/7/2

N2 - Bi2Sr2-xLnxCuOy (Ln=Nd, Sm) was synthesized in the range of x=0.2-0.6 and a single phase was obtained in the range of x=0.3-0.6. A diamagnetic signal was observed for x=0.2-0.6 and the maximum Tc of 23 K for Nd3+ and 17 K for Sm3+ was obtained around x=0.5 and 0.4, respectively. Single crystals of Bi2Sr2-xLnxCuOy (Ln = Nd, Sm) were successfully grown by the self-flux method from the melt of stoichiometric composition. DTA was used to determine the thermal cycle. The as-grown crystal from the melt of Bi2Sr1.6Nd0.4CuOy was Bi2Sr1.6Nd0.4CuOy with dimensions over 2mm and exhibited superconductivity at Tc∼20K. The crystal growth of Bi2Sr2-xSmxCuOy was examined for the stoichiometric melt of Bi2Sr1.5Sm0.5CuOy. However, we could not observe single crystal with 2 2 0 1 structure. The crystal had 2 2 1 2 structure and showed no superconductivity.

AB - Bi2Sr2-xLnxCuOy (Ln=Nd, Sm) was synthesized in the range of x=0.2-0.6 and a single phase was obtained in the range of x=0.3-0.6. A diamagnetic signal was observed for x=0.2-0.6 and the maximum Tc of 23 K for Nd3+ and 17 K for Sm3+ was obtained around x=0.5 and 0.4, respectively. Single crystals of Bi2Sr2-xLnxCuOy (Ln = Nd, Sm) were successfully grown by the self-flux method from the melt of stoichiometric composition. DTA was used to determine the thermal cycle. The as-grown crystal from the melt of Bi2Sr1.6Nd0.4CuOy was Bi2Sr1.6Nd0.4CuOy with dimensions over 2mm and exhibited superconductivity at Tc∼20K. The crystal growth of Bi2Sr2-xSmxCuOy was examined for the stoichiometric melt of Bi2Sr1.5Sm0.5CuOy. However, we could not observe single crystal with 2 2 0 1 structure. The crystal had 2 2 1 2 structure and showed no superconductivity.

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ER -

Crystal growth of Bi₂(Sr,Nd/Sm)₂CuO_y and their superconductivity

Abstract

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