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首页> 外文期刊>Philosophical magazine, B. Physics of condensed matter, electronic, optical, and magnetic properties >Epitaxial growth of heterostructures on biaxially textured metallic substrates for YBa2Cu3O7-x tape fabrication
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Epitaxial growth of heterostructures on biaxially textured metallic substrates for YBa2Cu3O7-x tape fabrication

机译：YBa2Cu3O7-x胶带制造在双轴织构金属基底上异质结构的外延生长

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摘要

The paper presents the current status of Ente per le Nuove tecnologie, l'Energia e l'Ambiente research on the processing of high-irreversibility-field superconductor YBa2Cu3O7-x (YBCO) tapes, useful for power application. A major part of this review is concerned with buffer layer growth, because this is the most important stage in the YBCO thick-film fabrication on biaxially textured metallic substrates. Several architectures are presented: CeO2/Pd/Ni, CeO2/(Ni-V) and CeO2/NiO/(Ni-V). For all the buffer layer structures the top CeO2 film was deposited by pulsed-laser deposition, while the Pd film was grown by electron-beam evaporation. The observed epitaxial orientation is [001]. The properties of a new non-magnetic Ni-V alloy substrate, as well as the preliminary results on superconducting multilayer structures, are also presented. The YBCO film grown on the CeO2/NiO/(Ni-V) configuration has the critical temperature T-c onset of 90.9 K, zero resistance at 86 K and the critical current density J(c) = 10(5) A cm(-2) at 77 K and in zero magnetic field. [References: 18]
机译：本文介绍了Ente per le Nuove技术，Energia e l'Ambiente在高不可逆性场超导体YBa2Cu3O7-x（YBCO）胶带的加工方面的研究现状，该胶带可用于电力应用。本文的主要内容与缓冲层的生长有关，因为这是在双轴织构金属基板上进行YBCO厚膜制造的最重要阶段。提出了几种架构：CeO2 / Pd / Ni，CeO2 /（Ni-V）和CeO2 / NiO /（Ni-V）。对于所有缓冲层结构，顶部CeO2膜是通过脉冲激光沉积法沉积的，而Pd膜是通过电子束蒸发法生长的。观察到的外延取向为[001]。还介绍了一种新型的非磁性Ni-V合金基体的性能以及超导多层结构的初步结果。在CeO2 / NiO /（Ni-V）构造上生长的YBCO薄膜具有90.9 K的临界温度Tc开始，86 K时的零电阻和临界电流密度J（c）= 10（5）A cm（-2 ）在77 K和零磁场下。 [参考：18]

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