Triangular Rare-Earth Lattice Materials RbBa R(BO                         3                         )                         2                          (R = Y, Gd-Yb) and Comparison to the KBa R(BO                         3                         )                         2                          Analogs

Shu Guo; Tai Kong; Weiwei Xie; Loi Nguyen; Karoline Stolze; F. Alex Cevallos; R. J. Cava

doi:10.1021/acs.inorgchem.8b03372

Triangular Rare-Earth Lattice Materials RbBa R(BO ₃ ) ₂ (R = Y, Gd-Yb) and Comparison to the KBa R(BO ₃ ) ₂ Analogs

Shu Guo, Tai Kong, Weiwei Xie, Loi Nguyen, Karoline Stolze, F. Alex Cevallos, R. J. Cava

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

A previously unreported family of electrically insulating rare-earth borates, RbBaR(BO ₃ ) ₂ (R = Y, Gd-Yb), was designed and then successfully obtained by traditional solid-state reaction. They crystallize in a monoclinic crystal system space group P2 ₁ /m (No. 11). They feature triangular planar rare-earth (R) lattices, which are part of, for example, [Yb(BO ₃ ) ₂ ] ^3- infinite 2D layers. These R-based triangular lattices are stacked with layers of crystallographically ordered Rb and Ba atoms to build the 3D structures. Polycrystalline samples of RbBaR(BO ₃ ) ₂ were used to study the elementary magnetic properties, and millimeter-size RbBaYb(BO ₃ ) ₂ single crystals were grown by spontaneous nucleation for further anisotropic magnetic characterization. Antiferromagnetic spin interactions are observed for all magnetic compounds, and no long-range magnetic ordering is found down to 1.8 K. Our results suggest that this RbBaR(BO ₃ ) ₂ (R = Gd-Yb) family may be of further interest both experimentally and theoretically as highly geometrically frustrated magnets.

Original language	English (US)
Pages (from-to)	3308-3315
Number of pages	8
Journal	Inorganic Chemistry
Volume	58
Issue number	5
DOIs	https://doi.org/10.1021/acs.inorgchem.8b03372
State	Published - Mar 4 2019

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Inorganic Chemistry
Physical and Theoretical Chemistry

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10.1021/acs.inorgchem.8b03372

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Guo, S., Kong, T., Xie, W., Nguyen, L., Stolze, K., Alex Cevallos, F., & Cava, R. J. (2019). Triangular Rare-Earth Lattice Materials RbBa R(BO ₃ ) ₂ (R = Y, Gd-Yb) and Comparison to the KBa R(BO ₃ ) ₂ Analogs Inorganic Chemistry, 58(5), 3308-3315. https://doi.org/10.1021/acs.inorgchem.8b03372

Guo, Shu ; Kong, Tai ; Xie, Weiwei et al. / Triangular Rare-Earth Lattice Materials RbBa R(BO ₃ ) ₂ (R = Y, Gd-Yb) and Comparison to the KBa R(BO ₃ ) ₂ Analogs In: Inorganic Chemistry. 2019 ; Vol. 58, No. 5. pp. 3308-3315.

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title = " Triangular Rare-Earth Lattice Materials RbBa R(BO 3 ) 2 (R = Y, Gd-Yb) and Comparison to the KBa R(BO 3 ) 2 Analogs ",

abstract = " A previously unreported family of electrically insulating rare-earth borates, RbBaR(BO 3 ) 2 (R = Y, Gd-Yb), was designed and then successfully obtained by traditional solid-state reaction. They crystallize in a monoclinic crystal system space group P2 1 /m (No. 11). They feature triangular planar rare-earth (R) lattices, which are part of, for example, [Yb(BO 3 ) 2 ] 3- infinite 2D layers. These R-based triangular lattices are stacked with layers of crystallographically ordered Rb and Ba atoms to build the 3D structures. Polycrystalline samples of RbBaR(BO 3 ) 2 were used to study the elementary magnetic properties, and millimeter-size RbBaYb(BO 3 ) 2 single crystals were grown by spontaneous nucleation for further anisotropic magnetic characterization. Antiferromagnetic spin interactions are observed for all magnetic compounds, and no long-range magnetic ordering is found down to 1.8 K. Our results suggest that this RbBaR(BO 3 ) 2 (R = Gd-Yb) family may be of further interest both experimentally and theoretically as highly geometrically frustrated magnets.",

author = "Shu Guo and Tai Kong and Weiwei Xie and Loi Nguyen and Karoline Stolze and {Alex Cevallos}, F. and Cava, {R. J.}",

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Guo, S, Kong, T, Xie, W, Nguyen, L, Stolze, K, Alex Cevallos, F & Cava, RJ 2019, ' Triangular Rare-Earth Lattice Materials RbBa R(BO ₃ ) ₂ (R = Y, Gd-Yb) and Comparison to the KBa R(BO ₃ ) ₂ Analogs ', Inorganic Chemistry, vol. 58, no. 5, pp. 3308-3315. https://doi.org/10.1021/acs.inorgchem.8b03372

Triangular Rare-Earth Lattice Materials RbBa R(BO ₃ ) ₂ (R = Y, Gd-Yb) and Comparison to the KBa R(BO ₃ ) ₂ Analogs . / Guo, Shu; Kong, Tai; Xie, Weiwei et al.
In: Inorganic Chemistry, Vol. 58, No. 5, 04.03.2019, p. 3308-3315.

Research output: Contribution to journal › Article › peer-review

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AU - Nguyen, Loi

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AU - Alex Cevallos, F.

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N2 - A previously unreported family of electrically insulating rare-earth borates, RbBaR(BO 3 ) 2 (R = Y, Gd-Yb), was designed and then successfully obtained by traditional solid-state reaction. They crystallize in a monoclinic crystal system space group P2 1 /m (No. 11). They feature triangular planar rare-earth (R) lattices, which are part of, for example, [Yb(BO 3 ) 2 ] 3- infinite 2D layers. These R-based triangular lattices are stacked with layers of crystallographically ordered Rb and Ba atoms to build the 3D structures. Polycrystalline samples of RbBaR(BO 3 ) 2 were used to study the elementary magnetic properties, and millimeter-size RbBaYb(BO 3 ) 2 single crystals were grown by spontaneous nucleation for further anisotropic magnetic characterization. Antiferromagnetic spin interactions are observed for all magnetic compounds, and no long-range magnetic ordering is found down to 1.8 K. Our results suggest that this RbBaR(BO 3 ) 2 (R = Gd-Yb) family may be of further interest both experimentally and theoretically as highly geometrically frustrated magnets.

AB - A previously unreported family of electrically insulating rare-earth borates, RbBaR(BO 3 ) 2 (R = Y, Gd-Yb), was designed and then successfully obtained by traditional solid-state reaction. They crystallize in a monoclinic crystal system space group P2 1 /m (No. 11). They feature triangular planar rare-earth (R) lattices, which are part of, for example, [Yb(BO 3 ) 2 ] 3- infinite 2D layers. These R-based triangular lattices are stacked with layers of crystallographically ordered Rb and Ba atoms to build the 3D structures. Polycrystalline samples of RbBaR(BO 3 ) 2 were used to study the elementary magnetic properties, and millimeter-size RbBaYb(BO 3 ) 2 single crystals were grown by spontaneous nucleation for further anisotropic magnetic characterization. Antiferromagnetic spin interactions are observed for all magnetic compounds, and no long-range magnetic ordering is found down to 1.8 K. Our results suggest that this RbBaR(BO 3 ) 2 (R = Gd-Yb) family may be of further interest both experimentally and theoretically as highly geometrically frustrated magnets.

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Guo S, Kong T, Xie W, Nguyen L, Stolze K, Alex Cevallos F et al. Triangular Rare-Earth Lattice Materials RbBa R(BO ₃ ) ₂ (R = Y, Gd-Yb) and Comparison to the KBa R(BO ₃ ) ₂ Analogs Inorganic Chemistry. 2019 Mar 4;58(5):3308-3315. doi: 10.1021/acs.inorgchem.8b03372

Triangular Rare-Earth Lattice Materials RbBa R(BO ₃ ) ₂ (R = Y, Gd-Yb) and Comparison to the KBa R(BO ₃ ) ₂ Analogs

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