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Effective Spin-1⁄2 Scalar Chiral Order on Kagome Lattices in Nd3Sb3Mg2O14



A. Scheie, M. Sanders, J. Krizan, Yiming Qiu, R. J. Cava, Collin L. Broholm


We introduce Nd3Sb3Mg2O14 with ideal kagome lattices of neodymium ions in ABC stacking. Thermodynamic measurements show a Curie-Weiss temperature of θcw = -0.12 Jm a Bd3+ spin 1/2 Kramers doublet ground state, and as second order phase transition at TN = 0.56(2) K. Neutron scattering reveals non-coplanar scalar chiral k = 0 magnetic order with a correlation length exceeding 400 A - 55 a and an ordered moment of 1.79(5) υB. This order includes a canted ferromagnetic component perpendicular to the kagome planes favored by Dzyaloshinkskii-Moriya interactions.
Physical Review B


kagome lattice, neutron scattering, scalar chiral order


Scheie, A. , Sanders, M. , Krizan, J. , Qiu, Y. , Cava, R. and Broholm, C. (2016), Effective Spin-1&#8260;2 Scalar Chiral Order on Kagome Lattices in Nd<sub>3</sub>Sb<sub>3</sub>Mg<sub>2</sub>O<sub>14</sub>, Physical Review B, [online], (Accessed April 18, 2024)
Created May 19, 2016, Updated October 12, 2021