Physikalisches Institut, Universität Karlsruhe (TH), Wolfgang-Gaede Straße 1, 76131 Karlsruhe, Germany.
J Phys Condens Matter. 2010 Mar 5;22(8):084021. doi: 10.1088/0953-8984/22/8/084021.
Most ferromagnetic and antiferromagnetic substances show a simple collinear arrangement of the local spins. Under certain circumstances, however, the spin configuration is non-collinear. Scanning tunneling microscopy with its potential atomic resolution is an ideal tool for investigating these complex spin structures. Non-collinearity can be due to topological frustration of the exchange interaction, due to relativistic spin-orbit coupling or can be found in excited states. Examples for all three cases are given, illustrating the capabilities of spin-polarized scanning tunneling microscopy.
大多数铁磁体和反铁磁体物质表现出局部自旋的简单共线排列。然而，在某些情况下，自旋构型是非共线的。具有潜在原子分辨率的扫描隧道显微镜是研究这些复杂自旋结构的理想工具。非共线性可能是由于交换相互作用的拓扑磁阻、相对论自旋轨道耦合引起的，也可能存在于激发态中。给出了所有三种情况的例子，说明了自旋极化扫描隧道显微镜的能力。
