Laser deposition of biaxially textured yttria-stabilized zirconia buffer layers on polycrystalline metallic alloys for high critical current Y-Ba-Cu-O thin films
Open Access
- 2 November 1992
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 61 (18), 2231-2233
- https://doi.org/10.1063/1.108277
Abstract
Pulsed laser deposition of yttria-stabilized zirconia (YSZ) layers on polycrystalline metallic alloy substrates is used to produce an intermediate layer for YBa2Cu3O7−δ (YBCO) thin-film growth. The desired (001) YSZ texture is obtained at 1.0 mTorr oxygen pressure and 70 °C. Significant improvement in (001) texturing is demonstrated by using an ion beam to assist growth. Argon-ion-assisted growth produces layers with alignment of the in-plane crystal axes in addition to the (001)-normal texture. Highly c-axis-oriented biaxially aligned YBCO thin films can be deposited on these layers, with Tc(R=0)=92 K and Jc (77 K, B=0 T)=6×105 A/cm2 and Jc (77 K, 0.4 T)=8×104 A/cm2. With further improvement of the YSZ texture, the YBCO current-carrying capacity of films on polycrystalline metallic alloys may approach that of films on single-crystal substrates.Keywords
This publication has 13 references indexed in Scilit:
- In-plane aligned YBa2Cu3O7−x thin films deposited on polycrystalline metallic substratesApplied Physics Letters, 1992
- Characterization of Y-Ba-Cu-O thin films and yttria-stabilized zirconia intermediate layers on metal alloys grown by pulsed laser depositionApplied Physics Letters, 1991
- Critical current density enhancement in YBa2Cu3O6.8 films on buffered metallic substratesApplied Physics Letters, 1991
- Synthesis of superconducting YBa2Cu3O7−δ thin films on nickel-based superalloy using in situ pulsed laser depositionApplied Physics Letters, 1990
- In situ single chamber laser processing of YBa2Cu3O7−δ superconducting thin films on Si (100) with yttria-stabilized zirconia buffer layersApplied Physics Letters, 1990
- High critical currents in strained epitaxial YBa2Cu3O7−δ on SiApplied Physics Letters, 1990
- Metal buffer layers and Y-Ba-Cu-O thin films on Pt and stainless steel using pulsed laser depositionJournal of Applied Physics, 1990
- Sputter deposition of YBa2Cu3O7−x films on Si at 500 °C with conducting metallic oxide as a buffer layerApplied Physics Letters, 1990
- Superconducting transport properties of grain boundaries in bicrystalsPhysical Review B, 1990
- Theory of thin-film orientation by ion bombardment during depositionJournal of Applied Physics, 1986