Enhanced 77 K vortex-pinning in YBa2Cu3O7-x films with Ba2YTaO6 and mixed Ba2YTaO6 + Ba2YNbO6 nano-columnar inclusions with irreversibility field to 11 T

被引：36

作者：

Rizzo, F. ^{[1
]}

Augieri, A. ^{[1
]}

Armenio, A. Angrisani ^{[1
]}

Galluzzi, V. ^{[1
]}

Mancini, A. ^{[1
]}

Pinto, V. ^{[1
]}

Rufoloni, A. ^{[1
]}

Vannozzi, A. ^{[1
]}

Bianchetti, M. ^{[2
]}

Kursumovic, A. ^{[2
]}

MacManus-Driscoll, J. L. ^{[2
]}

Meledin, A. ^{[3
]}

Van Tendeloo, G. ^{[3
]}

Celentano, G. ^{[1
]}

机构：

[1] Frascati Res Ctr, ENEA, Via E Fermi 45, I-00044 Frascati, Italy

[2] Univ Cambridge, Dept Mat Sci & Met, 27 Charles Babbage Rd, Cambridge CB3 0FS, England

[3] Univ Antwerp, EMAT Res Grp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium

来源：

APL MATERIALS | 2016年 / 4卷 / 06期

关键词：

NANOCOMPOSITE; STRAIN;

D O I：

10.1063/1.4953436

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Pulsed laser deposited thin YBa2Cu3O7-x (YBCO) films with pinning additions of 5 at. % Ba2YTaO6 (BYTO) were compared to films with 2.5 at. % Ba2YTaO6 + 2.5 at. % Ba2YNbO6 (BYNTO) additions. Excellent magnetic flux-pinning at 77 K was obtained with remarkably high irreversibility fields greater than 10 T (YBCO-BYTO) and 11 T (YBCO-BYNTO), representing the highest ever achieved values in YBCO films. (C) 2016 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license.

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