论文标题
后期过渡金属的超薄膜中的轨道相关性
Orbital correlations in ultrathin films of late transition metals
论文作者
论文摘要
我们开发了超薄（111）面向诸如CO和Ni等过渡金属的面向型FCC膜中电子相关性的两轨哈驼型模型。我们的模型表明，Mott-Hund的相互作用导致铁磁最近邻邻轨道相关性。与轨道与晶体对称性之间的不匹配有关的挫败感可阻止轨道排序，从而导致轨道液态。该状态可以体现在涉及自旋轨道耦合的现象中，例如磁各向异性。
We develop a two-orbital Hubbard model of electron correlations in ultrathin (111)-oriented fcc films of late transition metals such as Co and Ni. Our model indicates that the Mott-Hund's interaction results in ferromagnetic nearest-neighbor orbital correlations. Frustration associated with the mismatch between orbital and crystal symmetries prevents orbital ordering, resulting in the orbital liquid state. This state can be manifested in phenomena involving spin-orbit coupling, such as magnetic anisotropy.
