论文标题
通过杂化对称性外观上的六倍磁性mnte上的超导四倍的Fe（TE，SE）膜
Superconducting four-fold Fe(Te,Se) film on six-fold magnetic MnTe via hybrid symmetry epitaxy
论文作者
论文摘要
外延Fe（Te，Se）薄膜已在各种底物上生长，但从未在磁层上实现。在这里，我们报告了在六倍的抗铁磁绝缘子MNTE上的四倍Fe（Te，Se）膜的外延生长。 Fe（TE，SE）/MNTE异质结构在11 K左右显示出明显的超导转变，临界磁场测量表明超导性的起源是散装的。结构表征表明，Fe（TE，SE）和MNTE之间的单轴晶格匹配允许杂交对称外观模式，该模式最近在Fe（TE，SE）和BI2TE3之间发现。此外，发现Fe（TE，SE）层沉积期间的TE/FE通量比对于其超导性至关重要。既然超导Fe（TE，SE）可以在两个相关的六角平台BI2TE3和MNTE上生长，则此结果为将Fe（TE，SE）与固有磁性拓扑材料（MNTE）N（MNTE）N（BI2TE3）M flose的Fe（TE，SE）与丰富物理的拓扑超导性与丰富的物理结合起来开放。
Epitaxial Fe(Te,Se) thin films have been grown on various substrates but never been realized on magnetic layers. Here we report the epitaxial growth of four-fold Fe(Te,Se) film on a six-fold antiferromagnetic insulator, MnTe. The Fe(Te,Se)/MnTe heterostructure shows a clear superconducting transition at around 11 K and the critical magnetic field measurement suggests the origin of the superconductivity to be bulk-like. Structural characterizations suggest that the uniaxial lattice match between Fe(Te,Se) and MnTe allows a hybrid symmetry epitaxy mode, which was recently discovered between Fe(Te,Se) and Bi2Te3. Furthermore, Te/Fe flux ratio during deposition of the Fe(Te,Se) layer is found to be critical for its superconductivity. Now that superconducting Fe(Te,Se) can be grown on two related hexagonal platforms, Bi2Te3 and MnTe, this result opens a new possibility of combining topological superconductivity of Fe(Te,Se) with the rich physics in the intrinsic magnetic topological materials (MnTe)n(Bi2Te3)m family.
