论文标题
不一致的和多重 - $ \ boldsymbol {q} $磁性失误订单中的沮丧的量子旋转材料材料鹿角,cu $ _3 $ so $ _4 $(oh)$ _ 4 $
Incommensurate and multiple-$\boldsymbol{q}$ magnetic misfit order in the frustrated quantum-spin-ladder material antlerite, Cu$_3$SO$_4$(OH)$_4$
论文作者
论文摘要
在沮丧的磁系统中,相互作用之间的竞争可以引入极高的退化性,并防止系统容易选择独特的基态。在这种情况下,磁顺序通常对相互作用之间的平衡非常敏感,从而可以在新型的磁性相之间进行调整。在Antlerite中,Cu $ _3 $ SO $ _4 $(OH)$ _ 4 $,CU $^{2+} $($ s = 1/2 $)量子旋转在一个非常沮丧的Quasi-One-One-One-One-dimens-dimensional结构基序中填充了三腿的Zigzag梯子。我们证明,在零应用领域,除了最近报道的耦合铁磁和防铁磁性旋转链的低温相外,该矿物质还携带不稳定的螺旋+环形状态,一个闲置的旋转状态,一个无旋转状态,以及多个$ q $相位的磁性模拟类模拟的磁性模拟。中央腿上的防铁磁序是重新进入的。鹿角中磁性的高可调性使其成为追求外来磁性秩序的特别有希望的平台。
In frustrated magnetic systems, the competition amongst interactions can introduce extremely high degeneracy and prevent the system from readily selecting a unique ground state. In such cases, the magnetic order is often exquisitely sensitive to the balance among the interactions, allowing tuning among novel magnetically ordered phases. In antlerite, Cu$_3$SO$_4$(OH)$_4$, Cu$^{2+}$ ($S=1/2$) quantum spins populate three-leg zigzag ladders in a highly frustrated quasi-one-dimensional structural motif. We demonstrate that at zero applied field, in addition to its recently reported low-temperature phase of coupled ferromagnetic and antiferromagnetic spin chains, this mineral hosts an incommensurate helical+cycloidal state, an idle-spin state, and a multiple-$q$ phase which is the magnetic analog of misfit crystal structures. The antiferromagnetic order on the central leg is reentrant. The high tunability of the magnetism in antlerite makes it a particularly promising platform for pursuing exotic magnetic order.