Large transport critical currents across boundaries in artificially joined large-grain YBCO

W.Los; R.A.Doyle

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Large transport critical currents across boundaries in artificially joined large-grain YBCO

机译：人工加入的大晶粒YBCO中跨越边界的大传输临界电流

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Large-grain melt-processed YBCO has been joinedto create nominally 'zero-angle' grain boundaries. Similarbroadening of the resistive transition in both grains and theartificial boundary is observed in transport measurements up to 7T. Direct and pulsed currents are used to obtain the high-fieldvoltage-current characteristics which display power-law behaviour.The temperature and field dependence of the critical current in theboundary compares well with that of the grain material. The largecritical current densities, above 2000 A cm~-2 at 77 K for 4 T || c-axis, show great promise for the joining technology to producelarge-scale engineering artefacts.

机译：已加入大颗粒熔融加工的YBCO，以创建名义上的“零角度”晶界。在高达7T的传输测量中，观察到了晶粒和人工边界中电阻跃迁的相似扩展。直流和脉冲电流用于获得显示功率定律特性的高场电压-电流特性。临界电流在边界中的温度和场依赖性与谷物材料的场强比较。 4 T ||时，在77 K时2000 A cm〜-2以上的大临界电流密度c轴，对于连接技术产生大型工程制品具有广阔的前景。

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《Superconductor Science & Technology》 |1999年第12期|共5页
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W.Los; R.A.Doyle;
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正文语种 eng
中图分类导电材料及其制品;超导电性;
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1. Large transport critical currents across boundaries in artificially joined large-grain YBCO [J] . W.Los, R.A.Doyle Superconductor Science & Technology . 1999,第12期

机译：人工加入的大晶粒YBCO中跨越边界的大传输临界电流
2. Transport properties of bulk-bicrystal grain boundaries inartificially joined large-grain YBCO [J] . Bradley A.D., Doyle R.A., Charalambous D., IEEE Transactions on Applied Superconductivity . 1999,第2期

机译：人为结合的大晶粒YBCO体-双晶晶界的输运性质
3. On-State Drain Current Modeling of Large-Grain Poly-Si TFTs Based on Carrier Transport Through Latitudinal and Longitudinal Grain Boundaries [J] . Argyrios T. Hatzopoulos, Dimitrios H. Tassis, Nikolaos A. Hastas, IEEE Transactions on Electron Devices . 2005,第8期

机译：基于载流子通过纵向和纵向晶界传输的大颗粒多晶硅TFT的状态漏电流建模
4. Temperature dependence of critical current and transport current losses of 4 mm YBCO coated conductors manufactured using nonmagnetic substrate [C] . J Kvitkovic, R Hatwar, S V Pamidi Advances in Cryogenic Engineering - Materials: Proceedings of the International Cryogenic Materials Conference . 2016

机译：临界电流的温度依赖性和使用非磁性衬底制造的4mm YBCO涂覆导体的临界电流和运输电流损耗
5. Critical current density of single grain boundaries in YBCO under high pressure. [D] . Tomita, Takahiro. 2005

机译：高压下YBCO中单晶界的临界电流密度。
6. The Effects of Grain Boundaries on the Current Transport Properties in YBCO-Coated Conductors [O] . Chao Yang, Yudong Xia, Yan Xue, 2015

机译：晶界对YBCO涂层导体中电流输运性能的影响
7. Transport Properties of Bulk-Bicrystal Grain Boundaries in Artificially Joined Large-Grain YBCO [O] . A. D. Bradley, R. A. Doyle, D. Charalambous, 2006

机译：人工连接大晶粒YBCO中体 - 晶晶界的输运性质
8. Transport critical currents and grain boundary coupling in high-(Tc) superconductors [R] . Shi, D 1991

机译：在高（Tc）超导体中传输临界电流和晶界耦合

Large transport critical currents across boundaries in artificially joined large-grain YBCO

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