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Abstract
The single-crystal growth, crystal structure, heat capacity, and anisotropic magnetization characterization of Rb3Yb- (PO4)2, a Yb-based triangular lattice material, are presented. Single-crystal X-ray diffraction shows that Rb3Yb(PO4)2 exhibits [Yb(PO4)]∞ layers, with the Yb in an ordered plane of equilateral triangles. One phosphate group oxygen that is not a near neighbor of the magnetic Yb displays positional disorder. The temperaturedependent magnetization is anisotropic, with no long-range magnetic ordering observed for temperatures down to 50 mK. The low temperature heat capacity in the presence of an applied magnetic field is fitted very well by a Schottky anomaly with a linear magnetic-field-dependent gap between the ground and excited state energies. At 1.8 K, no magnetic transitions are seen for applied fields up to 90 kOe. Our results suggest that Rb3Yb(PO4)2 is a good candidate for displaying frustrated magnetism at low temperatures.
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Authors (5)
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Shu Guo
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Ruidan Zhong
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Robert J. Cava
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
CHEMISTRY OF MATERIALS
no. 32,
pages 10670 - 10677,
ISSN: 0897-4756 - Language:
- English
- Publication year:
- 2020
- Bibliographic description:
- Guo S., Zhong R., Górnicka K., Klimczuk T., Cava R.: Crystal Growth, Structure, and Magnetism of the 2D Spin 1/2 Triangular Lattice Material Rb3Yb(PO4)2// CHEMISTRY OF MATERIALS -Vol. 32,iss. 24 (2020), s.10670-10677
- DOI:
- Digital Object Identifier (open in new tab) 10.1021/acs.chemmater.0c03850
- Verified by:
- Gdańsk University of Technology
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