Magnetically Induced Metallic Phase in Superconducting Tantalum Films
Superconductivity
2009-11-11 v1
Abstract
We have studied the electronic transport properties of homogeneously disordered superconducting tantalum thin films in magnetic fields. The films exhibit three distinct transport regimes in the zero temperature limit which we identify as superconducting, metallic, and insulating phases. The metallic phase is unexpected. The transport characteristics of this metallic phase are found to be similar to those of MoGe films and high mobility dilute two-dimensional electrons or holes confined in semiconductor interface or transistor geometry.
Cite
@article{arxiv.cond-mat/0601460,
title = {Magnetically Induced Metallic Phase in Superconducting Tantalum Films},
author = {Yongguang Qin and Carlos L. Vicente and Jongsoo Yoon},
journal= {arXiv preprint arXiv:cond-mat/0601460},
year = {2009}
}
Comments
four pages, four figures