TY - JOUR
T1 - High critical current density YBa2Cu3O7-δ tapes prepared by the surface-oxidation epitaxy method
AU - Matsumoto, Kaname
AU - Kim, Seokbeom
AU - Hirabayashi, Izumi
AU - Watanabe, Tomonori
AU - Uno, Naoki
AU - Ikeda, Masaru
N1 - Funding Information:
The authors would like to acknowledge Dr. Nakao. This work was supported by the New Energy and Industrial Technology Development Organization (NEDO) as Collaborative Research and Development of Fundamental Technologies for Superconductivity Applications under the New Sunshine Program Administered by the Agency of Industrial Science and Technology (AIST) of the Ministry of International Trade and Industry (MITI) of Japan.
Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2000/3/15
Y1 - 2000/3/15
N2 - YBa2Cu3O7-δ (YBCO) films with high critical current density (Jc) were successfully fabricated on nickel tapes buffered with epitaxial NiO. NiO was prepared on the textured nickel tape by the surface-oxidation epitaxy (SOE) method. We have reported so far a critical temperature (Tc) of 87 K and Jc = 4-6×104 A/cm2 (77 K, 0 T) for the YBCO films on NiO/Ni tapes. To enhance the superconducting properties of the YBCO films on the SOE-grown NiO, depositions of thin oxide cap layers such as YSZ, CeO2, and MgO on NiO were investigation. These oxide cap layers were epitaxially grown on NiO and provided the template for the epitaxial growth of YBCO films. Substantially improved data of Tc = 88 K and Jc = 3×105 A/cm2 (77 K, 0 T) and 1×104 A/cm2 (77 K, H∥c, 4 T) were obtained for YBCO film on NiO, by using a MgO cap layer with a thickness of 50 nm. The method described in this paper is a simple way to produce long YBCO tape conductors with high-Jc values.
AB - YBa2Cu3O7-δ (YBCO) films with high critical current density (Jc) were successfully fabricated on nickel tapes buffered with epitaxial NiO. NiO was prepared on the textured nickel tape by the surface-oxidation epitaxy (SOE) method. We have reported so far a critical temperature (Tc) of 87 K and Jc = 4-6×104 A/cm2 (77 K, 0 T) for the YBCO films on NiO/Ni tapes. To enhance the superconducting properties of the YBCO films on the SOE-grown NiO, depositions of thin oxide cap layers such as YSZ, CeO2, and MgO on NiO were investigation. These oxide cap layers were epitaxially grown on NiO and provided the template for the epitaxial growth of YBCO films. Substantially improved data of Tc = 88 K and Jc = 3×105 A/cm2 (77 K, 0 T) and 1×104 A/cm2 (77 K, H∥c, 4 T) were obtained for YBCO film on NiO, by using a MgO cap layer with a thickness of 50 nm. The method described in this paper is a simple way to produce long YBCO tape conductors with high-Jc values.
UR - http://www.scopus.com/inward/record.url?scp=0033882119&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0033882119&partnerID=8YFLogxK
U2 - 10.1016/S0921-4534(99)00622-X
DO - 10.1016/S0921-4534(99)00622-X
M3 - Article
AN - SCOPUS:0033882119
VL - 330
SP - 150
EP - 154
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
SN - 0921-4534
IS - 3
ER -