Spin texture with a twist in momentum space for Tl/Si(111)
Spin texture with a twist in momentum space for Tl/Si(111)
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Tl/Si(111) 的动量空间中具有扭曲的自旋纹理
DOI：
10.1103/physrevb.91.245420
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发表时间：
2015
期刊：
影响因子：
--
通讯作者：
and M. Donath
中科院分区：
文献类型：
--
作者：
S.D. Stolwijk;K. Sakamoto;A.B. Schmidt;P. Kruger;and M. Donath
用自旋和角度分辨逆光电能谱和密度泛函理论研究了点附近的电子结构和自旋织构。表面呈现出一种表面衍生的未被占据的状态，它覆盖了整个表面布里渊区。它以其巨大的自旋-轨道诱导分裂和独特的对称性和自旋-轨道诱导自旋景观而闻名：沿着的动量空间中的旋转自旋图案和纯粹的面内自旋极化沿着。我们的结果证明了点是如何被这种状态包围的。它的自旋织构呈现出一种特殊的扭曲，反映了点的对称性。
The electronic structure and spin texture around thepoint ofis investigated with spin- and angle-resolved inverse photoemission and density-functional theory. Thesurface exhibits a surface-derived unoccupied state, which extends over the complete surface Brillouin zone. It is known for its giant spin-orbit-induced splitting and unique symmetry- and spin-orbit-induced spin landscape: a rotating spin pattern in momentum space alongand pure in-plane spin polarization along. Our results demonstrate how thepoint is encircled by this state. Its spin texture shows a peculiar twist, which reflects thesymmetry of thepoint.