Fabrication and Properties of Aligned Sr0.6K0.4Fe2As2 Superconductors by High Magnetic Field Processing
GAO Zhao-Shun1, ZHANG Xian-Ping1, WANG Dong-Liang1, QI Yan-Peng1, WANG Lei1, CHENG Jun-Sheng1, WANG Qiu-Liang1, MA Yan-Wei1**, AWAJI Satoshi2, WATANABE Kazuo2
1Key Laboratory of Applied Superconductivity, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190 2High Field Laboratory for Superconducting Materials, Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
Fabrication and Properties of Aligned Sr0.6K0.4Fe2As2 Superconductors by High Magnetic Field Processing
GAO Zhao-Shun1, ZHANG Xian-Ping1, WANG Dong-Liang1, QI Yan-Peng1, WANG Lei1, CHENG Jun-Sheng1, WANG Qiu-Liang1, MA Yan-Wei1**, AWAJI Satoshi2, WATANABE Kazuo2
1Key Laboratory of Applied Superconductivity, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190 2High Field Laboratory for Superconducting Materials, Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
摘要We fabricated a c−axis aligned Sr0.6K0.4Fe2As2 superconductor using a two−step magnetic field procedure. The effect of the magnetic fields on the structure and superconducting properties of Sr0.6K0.4Fe2As2 is investigated using x−ray diffraction and magnetic measurements. The degree of orientation of the samples is about 0.39 for the c axis and 0.51 for ab-plane orientation, as evaluated from the Lotgering factor of x-ray diffraction. This technology may be useful in a variety of potential applications, including preparing iron-based superconducting bulks and wires with high critical currents.
Abstract：We fabricated a c−axis aligned Sr0.6K0.4Fe2As2 superconductor using a two−step magnetic field procedure. The effect of the magnetic fields on the structure and superconducting properties of Sr0.6K0.4Fe2As2 is investigated using x−ray diffraction and magnetic measurements. The degree of orientation of the samples is about 0.39 for the c axis and 0.51 for ab-plane orientation, as evaluated from the Lotgering factor of x-ray diffraction. This technology may be useful in a variety of potential applications, including preparing iron-based superconducting bulks and wires with high critical currents.
(Theory and models of crystal growth; physics and chemistry of crystal growth, crystal morphology, and orientation)
引用本文:
GAO Zhao-Shun;ZHANG Xian-Ping;WANG Dong-Liang;QI Yan-Peng;WANG Lei;CHENG Jun-Sheng;WANG Qiu-Liang;MA Yan-Wei**;AWAJI Satoshi;WATANABE Kazuo
. Fabrication and Properties of Aligned Sr0.6K0.4Fe2As2 Superconductors by High Magnetic Field Processing[J]. 中国物理快报, 2011, 28(6): 67402-067402.
GAO Zhao-Shun, ZHANG Xian-Ping, WANG Dong-Liang, QI Yan-Peng, WANG Lei, CHENG Jun-Sheng, WANG Qiu-Liang, MA Yan-Wei**, AWAJI Satoshi, WATANABE Kazuo
. Fabrication and Properties of Aligned Sr0.6K0.4Fe2As2 Superconductors by High Magnetic Field Processing. Chin. Phys. Lett., 2011, 28(6): 67402-067402.
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