Some superconducting properties of (BaK)BiO3 system

D. S. Lee; M. H. Hsieh; H. E. Horng; H. C. Yang; H. C. Chen

doi:10.1016/S0921-4526(09)80366-9

Some superconducting properties of (BaK)BiO₃ system

D. S. Lee, M. H. Hsieh, H. E. Horng, H. C. Yang, H. C. Chen

Graduate Institute of Electro-Optical Science And Technology

Research output: Contribution to journal › Article

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Abstract

In this paper, we will report the superconductivity of Ba_1−xK_xBiO₃ system for various concentrations. A phase diagram around the composition x=0.4 will be studied systematically. It is found that the transition temperature T_c of the sample with x=0.5 is as high as 24K. DC magnetic susceptibility for this x=0.5 sample will be measured to study H_c1 and H_c2. From experiments, an extremely low H_c1 (T) curve is observed, whereas H_c2 (T) curve is relatively high.

Original language	English
Pages (from-to)	1561-1562
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	165-166
DOIs	https://doi.org/10.1016/S0921-4526(09)80366-9
Publication status	Published - 1990 Jan 1

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ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Cite this

Lee, D. S., Hsieh, M. H., Horng, H. E., Yang, H. C., & Chen, H. C. (1990). Some superconducting properties of (BaK)BiO₃ system. Physica B: Condensed Matter, 165-166, 1561-1562. https://doi.org/10.1016/S0921-4526(09)80366-9

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AB - In this paper, we will report the superconductivity of Ba1−xKxBiO3 system for various concentrations. A phase diagram around the composition x=0.4 will be studied systematically. It is found that the transition temperature Tc of the sample with x=0.5 is as high as 24K. DC magnetic susceptibility for this x=0.5 sample will be measured to study Hc1 and Hc2. From experiments, an extremely low Hc1 (T) curve is observed, whereas Hc2 (T) curve is relatively high.

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10.1016/S0921-4526(09)80366-9