欠掺杂 $BaFe_2(As_{1-x}P_x)_2$ 中的抗磁涡旋屏障条纹
超导电性
2016-08-17 v2
摘要
我们报道了针对欠掺杂 () 的磁力显微镜（MFM）测量，结果显示沿平行于孪晶边界的条纹处超导性增强。这些增强抗磁响应的条纹在有限磁场中冷却时会排斥涡旋，而当我们用磁性MFM针尖拖动涡旋时则充当屏障。当我们升温样品接近超导转变温度时，这些条纹消失。我们表明条纹在样品升温时可以移动，并评论了这些条纹与先前在 中观察到的类似条纹之间的关系。
引用
@article{arxiv.1510.08627,
title = {Diamagnetic Vortex Barrier Stripes in Underdoped $BaFe_2(As_{1-x}P_x)_2$},
author = {A. Yagil and Y. Lamhot and A. Almoalem and S. Kasahara and T. Watashige and T. Shibauchi and Y. Matsuda and O. M. Auslaender},
journal= {arXiv preprint arXiv:1510.08627},
year = {2016}
}
备注
16 pages (including appendices), 10 figures. The updated version has a new figure (Fig. 7), improved figures and text that has been edited for clarity