Co掺杂Ba-122薄膜的Jc标度与各向异性
超导电性
2015-05-20 v1
摘要
我们成功生长了x ~ 0.1的Ba(Fe1-xCox)2As2 (Ba-122)外延超导薄膜。透射电子显微镜证实，薄膜生长过程中未出现平行于c轴的可观测关联缺陷。这也在Jc(θ)中c轴峰的缺失中得到反映。与铜氧化物高温超导体（如YBa2Cu3O7-d甚至Bi2Sr2Ca2Cu3O10-d）相比，铁基超导体在其Jc(θ)行为以及上临界场Hc2中表现出相当低的各向异性。作为一种多带超导体，Ba-122展现出温度依赖的电子质量各向异性。
引用
@article{arxiv.1012.1523,
title = {Jc Scaling and Anisotropies in Co-doped Ba-122 thin films},
author = {Jens Hänisch and Kazumasa Iida and Silvia Haindl and Fritz Kurth and Alexander Kauffmann and Martin Kidszun and Thomas Thersleff and Jens Freudenberger and Ludwig Schultz and Bernhard Holzapfel},
journal= {arXiv preprint arXiv:1012.1523},
year = {2015}
}
备注
contribution at ASC2010, accepted for publication in IEEE Trans. Appl. Supercond