Low temperature magnetization of the S = 1/2 kagome antiferromagnet ZnCu3 (O H) 6CL 2 - Archive ouverte HAL Access content directly
Journal Articles Physical Review B: Condensed Matter and Materials Physics (1998-2015) Year : 2007

Low temperature magnetization of the S = 1/2 kagome antiferromagnet ZnCu3 (O H) 6CL 2

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Abstract

The dc magnetization of the unique S= 1/ 2 kagome antiferromagnet Herbertsmithite has been measured down to 0.1 K. No sign of spin freezing is observed in agreement with former SR and ac-susceptibility results. The low temperature magnetic response is dominated by a defect contribution which exhibits an energy scale 1 K, likely reflecting the coupling of the defects. The defect component is saturated at low temperature by H8 T applied magnetic fields which enables us to estimate an upper bound for the nonsaturated intrinsic kagome susceptibility at T=1.7 K.
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cea-01395205 , version 1 (10-11-2016)

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F. Bert, S. Nakamae, F. Ladieu, D. L’hôte, P. Bonville, et al.. Low temperature magnetization of the S = 1/2 kagome antiferromagnet ZnCu3 (O H) 6CL 2. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2007, 76, pp.132411. ⟨10.1103/PhysRevB.76.132411⟩. ⟨cea-01395205⟩
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