REFeAsO1-xFx (RE=稀土元素)中的超导电性与磁性
超导电性
2009-11-13 v1
摘要
通过常压下的传统固相反应制备了含稀土钆的掺氟铁基氧砷化物(GdFeAsO0.8F0.2)以及共掺钇的样品(Gd0.8Y0.2FeAsO0.8F0.2)。未掺钇的氧砷化物在电阻随温度变化的测量中显示出高达43.9 K的超导转变，而在磁化强度随温度变化的测量中，在较低的40.8 K处观察到迈斯纳效应。用少量钇替代钆后，观察到Tc降低了10 K，这可能是由于电子或磁结构的变化所致，因为晶体结构并未改变。
引用
@article{arxiv.0808.0289,
title = {Superconductivity and Magnetism in REFeAsO1-xFx (RE=Rare Earth Elements)},
author = {K Kadowaki and T Goya and T Mochiji and S V Chong},
journal= {arXiv preprint arXiv:0808.0289},
year = {2009}
}
备注
4 pages, 4 figures, Journal of Physics: Conference Series (Proceedings in the LT25 Low Temperature Physics Conference) Submitted