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A Monte Carlo study of honeycomb lattice ferrimagnets

机译:蒙特卡洛研究蜂窝格铁素体

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摘要

Layered, bimetallic oxalate materials of general formula AM(II)M'(III)(C_2O_4)_3 can be synthesised witha wide range of transition metal ions M(II) and M'(III) and organic cations A. Depending on the nature of these ions, a variety of magnetic behaviours have been found. In particular, compounds AFe(II)Fe(III)(C_2O_4)_3 are ferrimagnets that show both compensated (Neel type N) and non-compensated (Neel type Q) behaviour at low temperatures. We present the results of magnetic Monte Carlo studies on a honeycomb lattice, Ising model ferrimagnet that provide insight into the exchange interactions involved in these compounds.
机译:通式AM(II)M'(III)(C_2O_4)_3的层状双金属草酸盐材料可以与多种过渡金属离子M(II)和M'(III)和有机阳离子A合成。在这些离子中,发现了多种磁行为。特别地,化合物AFe(II)Fe(III)(C_2O_4)_3是在低温下表现出补偿的(Neel型N)和非补偿的(Neel Q型)行为的亚铁酸盐。我们介绍了对蜂窝晶格,伊辛模型铁磁体的磁性蒙特卡洛研究的结果,这些结果提供了对涉及这些化合物的交换相互作用的见解。

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