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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页数：7
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