Crystal field levels and magnetic anisotropy in the kagome compounds Nd3Sb3Mg2O14 , Nd3Sb3Zn2O14 , and Pr3Sb3Mg2O14

Scheie, A.; Sanders, M.; Krizan, J.; Christianson, Andrew D.; Garlea, Vasile O.; Cava, R. J.; Broholm, C.

doi:10.1103/PhysRevB.98.134401

Title: Crystal field levels and magnetic anisotropy in the kagome compounds ${Nd}_{3} {Sb}_{3} {Mg}_{2} O_{14}$ , ${Nd}_{3} {Sb}_{3} {Zn}_{2} O_{14}$ , and $\Pr_{3} {Sb}_{3} {Mg}_{2} O_{14}$

Journal Article · Mon Oct 01 00:00:00 EDT 2018 · Physical Review B

DOI:https://doi.org/10.1103/PhysRevB.98.134401· OSTI ID:1486947

Scheie, A. ^[1]; Sanders, M. ^[2]; Krizan, J. ^[2];

^[3];

^[3]; Cava, R. J. ^[2]; Broholm, C. ^[4]

Johns Hopkins Univ., Baltimore, MD (United States)
Princeton Univ., Princeton, NJ (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Johns Hopkins Univ., Baltimore, MD (United States); National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)

Here, we report the crystal field levels of several newly discovered rare-earth kagome compounds: Nd₃Sb₃Mg₂O₁₄, Nd₃Sb₃Zn₂O₁₄, and Pr₃Sb₃Mg₂O₁₄. We determine the crystal electric field (CEF) Hamiltonian by fitting to neutron scattering data using a point charge Hamiltonian as an intermediate fitting step. The fitted Hamiltonians accurately reproduce bulk susceptibility measurements, and the results indicate easy-axis ground-state doublets for Nd₃Sb₃Mg₂O₁₄ and Nd₃Sb₃Zn₂O₁₄ and a singlet ground state for Pr₃Sb₃Mg₂O₁₄. These results provide the groundwork for future investigations of these compounds and a template for CEF analysis of other low-symmetry materials.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC05-00OR22725; FG02-08ER46544

OSTI ID:: 1486947

Alternate ID(s):: OSTI ID: 1475087

Journal Information:: Physical Review B, Vol. 98, Issue 13; ISSN 2469-9950

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 12 works

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References (22)

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Title: Crystal field levels and magnetic anisotropy in the kagome compounds Nd 3 Sb 3 Mg 2 O 14 , Nd 3 Sb 3 Zn 2 O 14 , and Pr 3 Sb 3 Mg 2 O 14

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Title: Crystal field levels and magnetic anisotropy in the kagome compounds ${Nd}_{3} {Sb}_{3} {Mg}_{2} O_{14}$ , ${Nd}_{3} {Sb}_{3} {Zn}_{2} O_{14}$ , and $\Pr_{3} {Sb}_{3} {Mg}_{2} O_{14}$