电子辐照对YBa_2Cu_3O_{7-x}单晶中涡旋动力学的影响
超导电性
2009-11-07 v1
摘要
我们报道了随着淬火无序增加,涡旋动力学发生的剧烈变化:在相当弱的无序下,我们发现了单涡旋蠕变区,我们将其归因于Bragg玻璃相;而在增强的无序下,我们发现退钉扎电流和激活能均随磁场增加而增加,我们将其归因于纠缠涡旋相。我们还发现,引入额外缺陷总是会增加退钉扎电流,但对于弹性涡旋蠕变,它仅增加激活能,而对于塑性涡旋蠕变,它则降低激活能。
引用
@article{arxiv.cond-mat/0104510,
title = {Effect of electron irradiation on vortex dynamics in YBa_2Cu_3O_{7-x} single crystals},
author = {A. V. Bondarenko and A. A. Prodan and Yu. T. Petrusenko and V. N. Borisenko and F. Dworschak and U. Dedek},
journal= {arXiv preprint arXiv:cond-mat/0104510},
year = {2009}
}
备注
4 pages, 3 figures, submited to Phys. Rev. B