Filamentary superconductivity in the new 2212-type compound (Pb0.5Cu0.5)2(Ba0.5Sr 0.5)2YCu2O8

C. L. Yang; Y. Y. Hsu; J. H. Shieh; Y. M. Wan; H. C. Ku

Filamentary superconductivity in the new 2212-type compound (Pb_0.5Cu_0.5)₂(Ba_0.5Sr _0.5)₂YCu₂O₈

C. L. Yang^*
, Y. Y. Hsu
, J. H. Shieh
, Y. M. Wan
, H. C. Ku

^*此作品的通信作者

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

摘要

Filamentary superconductivity have been observed below T_c of 14 K for sintered-polycrystalline (Pb_0.5Cu_0.5)₂(Ba_0.5Sr _0.5)₂ YCu₂O₈ samples. Low electrical resistivity shows that this semiconducting sample is near the boundary of metal-insulator transition. The observed filamentary superconductivity indicates that the oxygen concentration of the sample (Pb_0.5Cu_0.5)₂(Ba_0.5Sr _0.5)₂ YCu₂O_8-δ is inhomogeneous. The oxygen off-stoichiometric parameter 6 plays the role of controlling the variation of free charge carriers in this electronically inhomogeneous sample where part of the sample is across the transition boundary and thus becomes superconducting.

原文	英語
頁（從 - 到）	579-582
頁數	4
期刊	Chinese Journal of Physics
卷	34
發行號	2 II
出版狀態	已發佈 - 1996
對外發佈	是

ASJC Scopus subject areas

一般物理與天文學

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引用此

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abstract = "Filamentary superconductivity have been observed below Tc of 14 K for sintered-polycrystalline (Pb0.5Cu0.5)2(Ba0.5Sr 0.5)2 YCu2O8 samples. Low electrical resistivity shows that this semiconducting sample is near the boundary of metal-insulator transition. The observed filamentary superconductivity indicates that the oxygen concentration of the sample (Pb0.5Cu0.5)2(Ba0.5Sr 0.5)2 YCu2O8-δ is inhomogeneous. The oxygen off-stoichiometric parameter 6 plays the role of controlling the variation of free charge carriers in this electronically inhomogeneous sample where part of the sample is across the transition boundary and thus becomes superconducting.",

author = "Yang, \{C. L.\} and Hsu, \{Y. Y.\} and Shieh, \{J. H.\} and Wan, \{Y. M.\} and Ku, \{H. C.\}",

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T1 - Filamentary superconductivity in the new 2212-type compound (Pb0.5Cu0.5)2(Ba0.5Sr 0.5)2YCu2O8

AU - Yang, C. L.

AU - Hsu, Y. Y.

AU - Shieh, J. H.

AU - Wan, Y. M.

AU - Ku, H. C.

PY - 1996

Y1 - 1996

N2 - Filamentary superconductivity have been observed below Tc of 14 K for sintered-polycrystalline (Pb0.5Cu0.5)2(Ba0.5Sr 0.5)2 YCu2O8 samples. Low electrical resistivity shows that this semiconducting sample is near the boundary of metal-insulator transition. The observed filamentary superconductivity indicates that the oxygen concentration of the sample (Pb0.5Cu0.5)2(Ba0.5Sr 0.5)2 YCu2O8-δ is inhomogeneous. The oxygen off-stoichiometric parameter 6 plays the role of controlling the variation of free charge carriers in this electronically inhomogeneous sample where part of the sample is across the transition boundary and thus becomes superconducting.

AB - Filamentary superconductivity have been observed below Tc of 14 K for sintered-polycrystalline (Pb0.5Cu0.5)2(Ba0.5Sr 0.5)2 YCu2O8 samples. Low electrical resistivity shows that this semiconducting sample is near the boundary of metal-insulator transition. The observed filamentary superconductivity indicates that the oxygen concentration of the sample (Pb0.5Cu0.5)2(Ba0.5Sr 0.5)2 YCu2O8-δ is inhomogeneous. The oxygen off-stoichiometric parameter 6 plays the role of controlling the variation of free charge carriers in this electronically inhomogeneous sample where part of the sample is across the transition boundary and thus becomes superconducting.

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M3 - Article

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SN - 0577-9073

VL - 34

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EP - 582

JO - Chinese Journal of Physics

JF - Chinese Journal of Physics

IS - 2 II

ER -

Filamentary superconductivity in the new 2212-type compound (Pb0.5Cu0.5)2(Ba0.5Sr 0.5)2YCu2O8

摘要

ASJC Scopus subject areas

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Filamentary superconductivity in the new 2212-type compound (Pb_0.5Cu_0.5)₂(Ba_0.5Sr _0.5)₂YCu₂O₈