Partial field-induced magnetic order in the Spin-liquid kagomé Nd3Ga5SiO14

H. D. Zhou, B. W. Vogt, J. A. Janik, Y. J. Jo, L. Balicas, Y. Qiu, J. R.D. Copley, J. S. Gardner, C. R. Wiebe

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Abstract

The distorted kagomé system Nd3Ga5SiO14 has been investigated with neutron scattering down to 0.046 K with no evidence of magnetic long range order of the Nd3+ moments in a zero field. Substantial diffuse scattering is observed which is in agreement with nearest-neighbor correlations between the fluctuating spins. Upon the application of a field in the c direction, the diffuse scattering is reduced in intensity while the magnetic Bragg peaks grow in intensity to saturate by 1 T to 1/2 of the expected magnetization. These measurements suggest that a unique spin-liquid state develops in Nd3Ga5SiO14 with a frustration index of f∼|θ|/TC 1300.

Original languageEnglish
Article number236401
JournalPhysical Review Letters
Volume99
Issue number23
DOIs
StatePublished - Dec 6 2007
Externally publishedYes

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