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arXiv 1004.0855cond-mat.mes-hallcond-mat.dis-nncond-mat.stat-mech
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三角形自旋冰花样中磁单极子的电荷序

Charge ordering of magnetic monopoles in triangular spin ice patterns

A. Schumann, B. Sothmann, P. Szary, H. Zabel

摘要:

人工自旋冰提供了研究各种偶极有序、自旋挫挫和基态的可能性。然而,最吸引人的方面是实现了磁荷秩序可以建立没有自旋秩序。我们用磁力显微镜研究了磁偶极子排列在蜂窝晶格上随外加磁场的变化。对于容易的方向与平行的三个偶极子晶格之一的领域,我们观察到在bavivity的自旋挫折的最大值,同时最大的电荷顺序的磁单极子交替收费$\pm$ 3。

英文摘要:

Artificial spin ice offers the possibility to investigate a variety of dipolar orderings, spin frustrations and ground states. However, the most fascinating aspect is the realization that magnetic charge order can be established without spin order. We have investigated magnetic dipoles arranged on a honeycomb lattice as a function of applied field, using magnetic force microscopy. For the easy direction with the field parallel to one of the three dipole sublattices we observe at coercivity a maximum of spin frustration and simultaneously a maximum of charge order of magnetic monopoles with alternating charges $\pm$ 3.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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