Spin Correlations and Short-Range Magnetic Order in the Honeycomb-Layered Na2Ni2TeO6
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We report on the spin dynamics and discovery of magnetoelectricity in the coupled-spin tetrahedral compound Cu2Te2O5Cl2. Te-125 NMR measurements show an anomalous resonance frequency shift and a signal wipe-out phenomenon around the Neel temperature T-N = ...
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