Effective spin- 12 scalar chiral order on kagome lattices in Nd3Sb3Mg2 O14

A. Scheie; M. Sanders; J. Krizan; Y. Qiu; R. J. Cava; C. Broholm

doi:10.1103/PhysRevB.93.180407

Effective spin- 12 scalar chiral order on kagome lattices in Nd3Sb3Mg2 O14

A. Scheie, M. Sanders, J. Krizan, Y. Qiu, R. J. Cava, C. Broholm

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Abstract

We introduce Nd3Sb3Mg2O14 with ideal kagome lattices of neodymium ions in ABC stacking. Thermodynamic measurements show a Curie-Weiss temperature of ΘCW=-0.12 K, a Nd3+ spin-12 Kramers doublet ground state, and a second-order phase transition at TN=0.56(2) K. Neutron scattering reveals noncoplanar scalar chiral k=0 magnetic order with a correlation length exceeding 400Å=55a and an ordered moment of 1.79(5)μB. This order includes a canted ferromagnetic component perpendicular to the kagome planes favored by Dzyaloshinskii-Moriya interactions.

Original language	English (US)
Article number	180407
Journal	Physical Review B
Volume	93
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevB.93.180407
State	Published - May 20 2016

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.93.180407

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title = "Effective spin- 12 scalar chiral order on kagome lattices in Nd3Sb3Mg2 O14",

abstract = "We introduce Nd3Sb3Mg2O14 with ideal kagome lattices of neodymium ions in ABC stacking. Thermodynamic measurements show a Curie-Weiss temperature of ΘCW=-0.12 K, a Nd3+ spin-12 Kramers doublet ground state, and a second-order phase transition at TN=0.56(2) K. Neutron scattering reveals noncoplanar scalar chiral k=0 magnetic order with a correlation length exceeding 400{\AA}=55a and an ordered moment of 1.79(5)μB. This order includes a canted ferromagnetic component perpendicular to the kagome planes favored by Dzyaloshinskii-Moriya interactions.",

author = "A. Scheie and M. Sanders and J. Krizan and Y. Qiu and Cava, \{R. J.\} and C. Broholm",

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doi = "10.1103/PhysRevB.93.180407",

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T1 - Effective spin- 12 scalar chiral order on kagome lattices in Nd3Sb3Mg2 O14

AU - Scheie, A.

AU - Sanders, M.

AU - Krizan, J.

AU - Qiu, Y.

AU - Cava, R. J.

AU - Broholm, C.

PY - 2016/5/20

Y1 - 2016/5/20

N2 - We introduce Nd3Sb3Mg2O14 with ideal kagome lattices of neodymium ions in ABC stacking. Thermodynamic measurements show a Curie-Weiss temperature of ΘCW=-0.12 K, a Nd3+ spin-12 Kramers doublet ground state, and a second-order phase transition at TN=0.56(2) K. Neutron scattering reveals noncoplanar scalar chiral k=0 magnetic order with a correlation length exceeding 400Å=55a and an ordered moment of 1.79(5)μB. This order includes a canted ferromagnetic component perpendicular to the kagome planes favored by Dzyaloshinskii-Moriya interactions.

AB - We introduce Nd3Sb3Mg2O14 with ideal kagome lattices of neodymium ions in ABC stacking. Thermodynamic measurements show a Curie-Weiss temperature of ΘCW=-0.12 K, a Nd3+ spin-12 Kramers doublet ground state, and a second-order phase transition at TN=0.56(2) K. Neutron scattering reveals noncoplanar scalar chiral k=0 magnetic order with a correlation length exceeding 400Å=55a and an ordered moment of 1.79(5)μB. This order includes a canted ferromagnetic component perpendicular to the kagome planes favored by Dzyaloshinskii-Moriya interactions.

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Effective spin- 12 scalar chiral order on kagome lattices in Nd3Sb3Mg2 O14

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