Magnetic properties of R2O2CO3 (R = Pr, Nd, Gd, Tb, Dy, Ho, Er, Yb) with a rare earth-bilayer of triangular lattice

被引:0
|
作者
Rutherford, Aya [1 ]
Xing, Chengkun [1 ]
Zhou, Haidong [1 ]
Huang, Qing [2 ]
Choi, Eun Sang [3 ]
Calder, Stuart [4 ]
机构
[1] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
[2] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
[3] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA
[4] Oak Ridge Natl Lab, Neutron Scattering Div, Oak Ridge, TN 37831 USA
来源
PHYSICAL REVIEW MATERIALS | 2024年 / 8卷 / 11期
基金
美国国家科学基金会;
关键词
HEISENBERG ANTIFERROMAGNETS; CRYSTAL-STRUCTURE; TRANSITIONS; PHASE; LN; RBFE(MOO4)(2); LA;
D O I
10.1103/PhysRevMaterials.8.114413
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Polycrystalline samples of R2O2CO3 (R = Pr, Nd, Gd, Tb, Dy, Ho, Er, and Yb) with a unique rare-earth bilayer of triangular lattice were synthesized and studied by DC and AC magnetic susceptibility. Data reveals various magnetic ground states including (i) a nonmagnetic ground state for the Pr sample; (ii) long-range magnetic ordering for the Nd, Gd, Tb, Dy, Ho, and Er samples. Besides the Gd sample, they also exhibit field-induced spin state transitions. More interestingly, a series of spin state transitions in the Nd and Dy samples could be attributed to the field-induced up-up-down spin state and the 2:1 canted spin state. Neutron powder diffraction measurements of the Er sample suggest a spiral spin structure below its TN; and (iii) a short-range ordering for the Yb sample. The disrupted interlayer interaction due to the shift of Yb3+ ions within the bilayer prevents long-range magnetic ordering down to 30 mK and makes it another Yb-related triangular lattice antiferromagnet that has the potential to realize a quantum spin liquid state.
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页数:18
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