Magnetic interactions in the S = 1/2 square-lattice antiferromagnets Ba2CuTeO6 and Ba2CuWO6: Parent phases of a possible spin liquid

Otto Mustonen; Sami Vasala; Heather Mutch; Chris I. Thomas; Gavin B.G. Stenning; Elisa Baggio-Saitovitch; Edmund J. Cussen; Maarit Karppinen

doi:10.1039/c8cc09479a

Magnetic interactions in the S = 1/2 square-lattice antiferromagnets Ba2CuTeO6 and Ba2CuWO6: Parent phases of a possible spin liquid

Otto Mustonen^*, Sami Vasala, Heather Mutch, Chris I. Thomas, Gavin B.G. Stenning, Elisa Baggio-Saitovitch, Edmund J. Cussen, Maarit Karppinen

^*Corresponding author for this work

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

4 Citations (Scopus)

42 Downloads (Pure)

Abstract

The isostructural double perovskites Ba₂CuTeO₆ and Ba₂CuWO₆ are shown by theory and experiment to be frustrated square-lattice antiferromagnets with opposing dominant magnetic interactions. This is driven by differences in orbital hybridisation of Te⁶⁺ and W⁶⁺. A spin-liquid-like ground state is predicted for Ba₂Cu(Te_1-xW_x)O₆ solid solution similar to recent observations in Sr₂Cu(Te_1-xW_x)O₆.

Original language	English
Pages (from-to)	1132-1135
Number of pages	4
Journal	Chemical Communications
Volume	55
Issue number	8
DOIs	https://doi.org/10.1039/c8cc09479a
Publication status	Published - 1 Jan 2019
MoE publication type	A1 Journal article-refereed

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10.1039/c8cc09479a

CHEM-Mustonen et al-Magnetic interactions-ChemComm-2018Accepted author manuscript, 1.1 MBLicence: Unspecified

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@article{e9e0bf2901bb47a2b9d6bf722f8d9bdb,

title = "Magnetic interactions in the S = 1/2 square-lattice antiferromagnets Ba2CuTeO6 and Ba2CuWO6: Parent phases of a possible spin liquid",

abstract = "The isostructural double perovskites Ba2CuTeO6 and Ba2CuWO6 are shown by theory and experiment to be frustrated square-lattice antiferromagnets with opposing dominant magnetic interactions. This is driven by differences in orbital hybridisation of Te6+ and W6+. A spin-liquid-like ground state is predicted for Ba2Cu(Te1-xWx)O6 solid solution similar to recent observations in Sr2Cu(Te1-xWx)O6.",

author = "Otto Mustonen and Sami Vasala and Heather Mutch and Thomas, {Chris I.} and Stenning, {Gavin B.G.} and Elisa Baggio-Saitovitch and Cussen, {Edmund J.} and Maarit Karppinen",

year = "2019",

month = jan,

day = "1",

doi = "10.1039/c8cc09479a",

language = "English",

volume = "55",

pages = "1132--1135",

journal = "Chemical Communications",

issn = "1359-7345",

number = "8",

}

Magnetic interactions in the S = 1/2 square-lattice antiferromagnets Ba2CuTeO6 and Ba2CuWO6: Parent phases of a possible spin liquid. / Mustonen, Otto; Vasala, Sami; Mutch, Heather; Thomas, Chris I.; Stenning, Gavin B.G.; Baggio-Saitovitch, Elisa; Cussen, Edmund J.; Karppinen, Maarit.

In: Chemical Communications, Vol. 55, No. 8, 01.01.2019, p. 1132-1135.

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

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AU - Mustonen, Otto

AU - Vasala, Sami

AU - Mutch, Heather

AU - Thomas, Chris I.

AU - Stenning, Gavin B.G.

AU - Baggio-Saitovitch, Elisa

AU - Cussen, Edmund J.

AU - Karppinen, Maarit

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N2 - The isostructural double perovskites Ba2CuTeO6 and Ba2CuWO6 are shown by theory and experiment to be frustrated square-lattice antiferromagnets with opposing dominant magnetic interactions. This is driven by differences in orbital hybridisation of Te6+ and W6+. A spin-liquid-like ground state is predicted for Ba2Cu(Te1-xWx)O6 solid solution similar to recent observations in Sr2Cu(Te1-xWx)O6.

AB - The isostructural double perovskites Ba2CuTeO6 and Ba2CuWO6 are shown by theory and experiment to be frustrated square-lattice antiferromagnets with opposing dominant magnetic interactions. This is driven by differences in orbital hybridisation of Te6+ and W6+. A spin-liquid-like ground state is predicted for Ba2Cu(Te1-xWx)O6 solid solution similar to recent observations in Sr2Cu(Te1-xWx)O6.

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