FePd3 as a material for studying thermally active artificial spin ice systems
FePd3 as a material for studying thermally active artificial spin ice systems
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DOI：
10.1103/physrevb.91.224406
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发表时间：
2015-06-04
影响因子：
3.7
通讯作者：
Cumings, John
中科院分区：
文献类型：
--
作者：
Drisko, Jasper;Daunheimer, Stephen;Cumings, John
我们报告FePd3作为研究热活性人工自旋冰（ASI）系统的材料，并用它来研究方形和戈薇冰的几何形状。我们很容易实现完美的基态有序的正方形晶格中，并证明了最高程度的kagome晶格中的电荷有序。我们发现，在kagome系统较小的晶格常数一般产生较大的领域的电荷秩序。Monte Carlo模拟显示出良好的协议与我们的数据时，少量的混乱是包括在模拟中。
We report FePd3 as a material for studying thermally active artificial spin ice (ASI) systems and use it to investigate both the square and kagome ice geometries. We readily achieve perfect ground state ordering in the square lattice and demonstrate the highest yet degree of monopole charge ordering in the kagome lattice. We find that smaller lattice constants in the kagome system generally produce larger domains of charge order. Monte Carlo simulations show excellent agreement with our data when a small amount of disorder is included in the simulation.