Magnetic structure of the S= 12 quasi-two-dimensional square-lattice Heisenberg antiferromagnet Sr2CuTeO6

Tomoyuki Koga; Nobuyuki Kurita; Maxim Avdeev; Sergey Danilkin; Taku J. Sato; Hidekazu Tanaka

doi:10.1103/PhysRevB.93.054426

Magnetic structure of the S= 12 quasi-two-dimensional square-lattice Heisenberg antiferromagnet Sr2CuTeO6

Tomoyuki Koga, Nobuyuki Kurita, Maxim Avdeev, Sergey Danilkin, Taku J. Sato, Hidekazu Tanaka

IMRAM - Division of Inorganic Material Research

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

38 Citations (Scopus)

Abstract

The magnetic structure of the double perovskite compound Sr2CuTeO6 was determined from neutron powder diffraction data. This material is magnetically described as an S=1/2 quasi-two-dimensional square-lattice Heisenberg model with antiferromagnetic nearest-neighbor and next-nearest-neighbor interactions. Sr2CuTeO6 undergoes a magnetic phase transition at TN≃29 K. The spin structure below TN is Néel antiferromagnetic on the square lattice, which means that the nearest-neighbor interaction (J1) is stronger than the next-nearest-neighbor interaction (J2), in contrast to other isostructural compounds such as Ba2CuWO6 and Sr2CuWO6, for which |J1|<|J2| is realized.

Original language	English
Article number	054426
Journal	Physical Review B
Volume	93
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevB.93.054426
Publication status	Published - 2016 Feb 26

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title = "Magnetic structure of the S= 12 quasi-two-dimensional square-lattice Heisenberg antiferromagnet Sr2CuTeO6",

abstract = "The magnetic structure of the double perovskite compound Sr2CuTeO6 was determined from neutron powder diffraction data. This material is magnetically described as an S=1/2 quasi-two-dimensional square-lattice Heisenberg model with antiferromagnetic nearest-neighbor and next-nearest-neighbor interactions. Sr2CuTeO6 undergoes a magnetic phase transition at TN≃29 K. The spin structure below TN is N{\'e}el antiferromagnetic on the square lattice, which means that the nearest-neighbor interaction (J1) is stronger than the next-nearest-neighbor interaction (J2), in contrast to other isostructural compounds such as Ba2CuWO6 and Sr2CuWO6, for which |J1|<|J2| is realized.",

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AU - Koga, Tomoyuki

AU - Kurita, Nobuyuki

AU - Avdeev, Maxim

AU - Danilkin, Sergey

AU - Sato, Taku J.

AU - Tanaka, Hidekazu

PY - 2016/2/26

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AB - The magnetic structure of the double perovskite compound Sr2CuTeO6 was determined from neutron powder diffraction data. This material is magnetically described as an S=1/2 quasi-two-dimensional square-lattice Heisenberg model with antiferromagnetic nearest-neighbor and next-nearest-neighbor interactions. Sr2CuTeO6 undergoes a magnetic phase transition at TN≃29 K. The spin structure below TN is Néel antiferromagnetic on the square lattice, which means that the nearest-neighbor interaction (J1) is stronger than the next-nearest-neighbor interaction (J2), in contrast to other isostructural compounds such as Ba2CuWO6 and Sr2CuWO6, for which |J1|<|J2| is realized.

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Magnetic structure of the S= 12 quasi-two-dimensional square-lattice Heisenberg antiferromagnet Sr2CuTeO6

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