Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, Maryland 21218, USA.
Phys Rev Lett. 2012 Jun 29;108(26):267201. doi: 10.1103/PhysRevLett.108.267201. Epub 2012 Jun 26.
The Skyrmion state in epitaxial B20 FeGe(111) thin films, determined by the topological Hall effect, is greatly extended in the phase diagram to cover all temperatures up to the Curie temperature T(C)≈271 K and over a wide magnetic field range that includes a zero magnetic field. The properties of the Skyrmion phase can be controlled and manipulated by the film thickness, which has a strong effect on the stabilization of Skyrmions.
外延 B20FeGe(111) 薄膜中的斯格明子态由拓扑霍尔效应决定，在相图中大大扩展，覆盖了所有温度直至居里温度 T(C)≈271K 以及很宽的磁场范围，包括零磁场。斯格明子相的性质可以通过薄膜厚度来控制和操纵，薄膜厚度对斯格明子的稳定有强烈影响。
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