Low temperature magnetization of the S=1-2 kagome antiferromagnet ZnCu 3OH 6Cl 2 - Condensed Matter > Strongly Correlated ElectronsReportar como inadecuado




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Abstract: The dc-magnetization of the unique S=1-2 kagome antiferromagnetHerbertsmithite has been measured down to 0.1K. No sign of spin freezing isobserved in agreement with former muSR and ac-susceptibility results. The lowtemperature magnetic response is dominated by a defect contribution whichexhibits a new energy scale $\simeq 1$ K, likely reflecting the coupling of thedefects. The defect component is saturated at low temperature by H>8T appliedmagnetic fields which enables us to estimate an upper bound for the nonsaturated intrinsic kagome susceptibility at T=1.7K.



Autor: F. Bert, S. Nakamae, F. Ladieu, D. L'Hôte, P. Bonville, F. Duc, J.-C. Trombe, P. Mendels

Fuente: https://arxiv.org/







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