Dramatic enhancement of spin-spin coupling and quenching of magnetic dimensionality in compressed silver difluoride

TL;DR

This study uses advanced calculations to show that applying pressure to silver difluoride significantly boosts its magnetic interactions, surpassing those in well-known magnetic materials, and alters its magnetic dimensionality.

Contribution

The paper demonstrates a dramatic enhancement of spin-spin coupling in silver difluoride under pressure, revealing new magnetic properties and potential for high-performance magnetic materials.

Findings

Pressure increases spin-spin coupling 3.5 times

Coupling constants exceed those of record oxocuprates(II)

Structural changes under pressure alter magnetic dimensionality

Abstract

Meta-GGA calculations of the ambient and high-pressure polymorphs of silver difluoride indicate that the compression-induced structural changes lead to a 3.5-fold increase in the strength of antiferomagnetic spin-spin interactions resulting in coupling constant values higher than those found for record-holding oxocuprates(II).