What is it about?
VOCl develops magnetic order below TN=80.3(3) K. The magnetic phase transition is accompanied by a small, temperature-dependent monoclinic lattice distortion, the phase transition presumably is of second order.
Why is it important?
The lattice distortion is not accompanied by a structural distortion so that the driving force for the lattice distortion is completely governed by the magnetic interactions.
Read the Original
This page is a summary of: Phase transition, crystal structure, and magnetic order in VOCl, Physical Review B, August 2009, American Physical Society (APS), DOI: 10.1103/physrevb.80.064426.
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