Dzyaloshinsky-Moriya Anisotropy in the Spin-1/2 Kagom\'e Compound ZnCu₃(OH)₆Cl₂

A. Zorko , S. Nellutla , J. van Tol , L. C. Brunel , F. Bert , F. Duc , J. C. Trombe , M. A. de Vries

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A. Harrison P. Mendels

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classification ❄️ cond-mat.str-el

keywords anisotropycompounddzyaloshinsky-moriyakagomespin-1analysisbelowbuilding

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We report the determination of the Dzyaloshinsky-Moriya interaction, the dominant magnetic anisotropy term in the \kagome spin-1/2 compound {\herbert}. Based on the analysis of the high-temperature electron spin resonance (ESR) spectra, we find its main component $|D_z|=15(1)$ K to be perpendicular to the \kagome planes. Through the temperature dependent ESR line-width we observe a building up of nearest-neighbor spin-spin correlations below $\sim$150 K.

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Dzyaloshinsky-Moriya Anisotropy in the Spin-1/2 Kagom\'e Compound ZnCu₃(OH)₆Cl₂

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