RbGd$_2$Fe$_4$As$_4$O$_2$ 中通过自掺杂实现的 35 K 超导
超导电性
2017-02-16 v2
摘要
我们报道了一种新型五元化合物 RbGdFeAsO 的合成、晶体结构与物理性质。这种新型铁氧砷化物与氟砷化物 KCaFeAsF 同构,两者均包含在化学计量成分下自空穴掺杂的独立双层 FeAs。通过电阻率、直流磁化率和热容的测量,证明了 = 35 K 的体超导性。对于多晶样品,测量到了上临界场初始斜率的异常高值(d/d = 16.5 T/K)。
引用
@article{arxiv.1606.08161,
title = {Superconductivity at 35 K by self doping in RbGd$_2$Fe$_4$As$_4$O$_2$},
author = {Zhi-Cheng Wang and Chao-Yang He and Si-Qi Wu and Zhang-Tu Tang and Yi Liu and Abduweli Ablimit and Qian Tao and Chun-Mu Feng and Zhu-An Xu and Guang-Han Cao},
journal= {arXiv preprint arXiv:1606.08161},
year = {2017}
}
备注
10 pages, 6 figures, 1 table, the crystal structure is amended