SUPERCONDUCTIVITY, MICROSTRUCTURE OF LARGE-AREA YBA2CU3O7 THIN-FILMS PREPARED BY PULSED-LASER ABLATION (PLA)

Authors
LI L TIAN YJ XU SF LU HB CHEN ZH CUI DF ZHOU YL LIU JZ GUO LP ZHAO ZX YANG GZ
Citation
L. Li et al., SUPERCONDUCTIVITY, MICROSTRUCTURE OF LARGE-AREA YBA2CU3O7 THIN-FILMS PREPARED BY PULSED-LASER ABLATION (PLA), Physica. C, Superconductivity, 235, 1994, pp. 635-636
Citations number
1
Categorie Soggetti
Physics, Applied
Journal title
Physica. C, Superconductivity → ACNP
ISSN journal
09214534
Volume
235
Year of publication
1994
Part
1
Pages
635 - 636
Database
ISI
SICI code
0921-4534(1994)235:<635:SMOLYT>2.0.ZU;2-D
Abstract
YBa2CU3O7 (YBCO) superconducting thin films with Tco=90.6+/-0.6K, Jc=( 2.9+/-0.9)x10(6)A/cm(2) at 77K and Rs less than or equal to 250 mu Ome ga at 10GHz were deposited on phi 35mm substrates by PLA. STM examinat ion showed both spiral and layered island growth. When the substrate-t arget distance was 30mm, YBCO film contained BaO precipitates with siz es between 10-100nm, equiaxed shapes, which may act as pinning centers .