到提高YBCO单晶生长速率的目的。 关键词 YBa2Cu307一 单晶 生长速率 液相性质 PreparingtheYBa2Cu3O7 一 SingleCrystals ZHANGHuangli GENGXingguo LIJinshan HURui CHENZhongwei (1 SchoolofScience,NorthwesternPolytechnicalUniversity,Xian710072; 2 StateKeyLaboratoryofSolidificationProcessing,NorthwesternPolytechnicalUniversit...
YBa_2Cu_3O_(7-δ)(YBCO)超导薄膜具有优异的电学性能,用其制作的电子器件在液氮温区具有超高灵敏度,低功耗,强抗干扰能力等优点.随着高温超导电子器件在SQUID,微波,超... 彭海军 - 《西安理工大学》 被引量: 5发表: 2008年 贫钇YBa_2Cu_3O_(7—y)超导材料的结构缺陷研究 高临界温度(T_c)YBCO氧化物超...
摘要: 剖析了高温超导材料YBa2Cu3O7-X(简称YBCO)在高温下的氧化还原反应过程和随之发生的吸氧、放氧过程以及它们对空气分离和气体纯化的贡献.还给出了中试实验结果.YBCO作为高温超导材料其新的应用在空气分离工业中具有重要意义. 暂无资源 收藏 引用 分享 推荐文章 烧结法制备YBa2Cu3O7-δ系列超导体的研究概况...
机译:研究了YBa2Cu3O7-x(YBCO)台阶边缘结的电学性质。通过Ar铣削在蓝宝石衬底上制备大约90 nm的台阶。台阶角通过Ar离子的入射角来调节。在真空沉积YSZ缓冲层(50nm厚)之后,通过磁控溅射生长外延YBCO膜。台阶边缘结通过湿蚀刻制备。电流-电压特性为RSJ型,在77时IcRn≈0.5mV,观察到Shapiro阶跃高达0.2 mV(在4.2 ...
During the heating of YBCO a peritectic reaction takes place at 1020‡C, which can be described by: 2YBa2Cu3O7−x⇄Y2BaCuO5+L+(1-2x)/2O2 (1)
The microstructure of YBa2Cu3O7−x (YBCO) thin films grown on Si with double (Y-stabilized ZrO2 (YSZ) and CeO2 or triple (MgO/CeO2/YSZ) buffer layers was characterized by means of transmission electron microscopy. The tetragonal distortion of the YSZ layer and the interaction between the...
All‐YBa2Cu3O7−x(YBCO) superconductor‐insulator‐superconductor (SIS) edge‐type tunnel junctions have been fabricated. This leads to the observation of superconductive tunneling with very low small‐bias conductance for the first time in fabricated all‐YBCO junctions. The presence of a supercond...
the enhancement in critical current density of YBCO nanocomposite is ~ 1.7 times for low applied field, and ~ 1.2 times for high applied field, compared to the YBCO superconductor. The presence of NiO in the YBCO matrix also created more defects in YBCO, which enhanced the pinning ...
The obtained samples show prominent grain growth and reacted phases (YBaCuO, BaSiO) which are of submicron size and uniformly dispersed in the YBCO matrix. Magnetic measurements show the improvement of the critical currents (over 7500 A/cmat 77 K 0.04 T), and the sample shows the so-called ...
Rapid changes of oxygen partial pressure (PO2) between 103 and 2.1×104 Pa have been carried out during steady-state plastic deformation of polycrystalline YBa2Cu3O7−x (YBCO) at temperatures between 825 and 900°C. Transient creep was observed after such PO2 changes. The analysis of these...