Journal
PHYSICAL REVIEW LETTERS
Volume 108, Issue 18, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.187207
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Funding
- Science and Technology Facilities Council
- Russian Foundation for Basic Research [12-02-00794-a]
- Engineering and Physical Sciences Research Council [EP/E06471X/1] Funding Source: researchfish
- EPSRC [EP/E06471X/1] Funding Source: UKRI
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The structural and magnetic properties of deuterated herbertsmithite have been studied by means of neutron powder diffraction and magnetic susceptibility measurements in a wide range of temperatures and pressures. The experimental data demonstrate that a phase transition from the quantum-disordered spin-liquid phase to the long-range ordered antiferromagnetic phase with the Neel temperature T-N = K is induced at P = 2.5 GPa. The observed decrease of T-N upon compression correlates with the anomalies in pressure behavior of Cu-O bond length and Cu-O-Cu bond angles. The reasons for the observed spin-freezing transition are discussed within the framework of the available theoretical models and the recent observation of the field-induced spin freezing.
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