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|Title:||Magnetic structure of the S=1/2 quasi-two-dimensional square-lattice Heisenberg antiferromagnet Sr2CuTeO6|
|Publisher:||American Physical Society|
|Citation:||Koga, T., Kurita, N., Avdeev, M., Danilkin, S., Sato, T. J., & Tanaka, H. (2016) Magnetic structure of the S=1/2 quasi-two-dimensional square-lattice Heisenberg antiferromagnet Sr2CuTeO6. Physical Review B, 93(5), 054426. doi:10.1103/PhysRevB.93.054426|
|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. ©2016 American Physical Society|
|Appears in Collections:||Journal Articles|
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