Anisotropy stabilises the spin-liquid phase of Me3EtSb[Pd(dmit)(2)](2)

What is it about?

The spin-liquid state is a novel phase of matter that is very difficult to observe, and is theorised to have many interesting properties. The material we studied (Me3EtSb[Pd(dmit)(2)](2)) is thought to be a spin-liquid. We study its structure and show that the anisotropy of this system makes the spin-liquid state more likely to occur.

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Why is it important?

Finding realistic models of materials that demonstrate spin-liquid behaviour for reasonable parameter values is a difficult problem. We show that properly including the anisotropy of the system halves the critical U required to see the spin-liquid phase. With this insight, previous determinations of U are shown to support the idea that this material has a spin-liquid phase.