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https://apo.ansto.gov.au/dspace/handle/10238/10179| Title: | Magnetic structure of the S=1/2 quasi-two-dimensional square-lattice Heisenberg antiferromagnet Sr2CuTeO6 |
| Authors: | Koga, T Kurita, N Avdeev, M Danilkin, SA Sato, TJ Tanaka, H |
| Keywords: | Neutron diffraction Phase diagrams Antiferromagnetism Perovskites Crystal structure Phase transformations Magnetism |
| Issue Date: | 26-Feb-2016 |
| 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 |
| URI: | https://doi.org/10.1103/PhysRevB.93.054426 https://apo.ansto.gov.au/dspace/handle/10238/10179 |
| ISSN: | 2469-9969 |
| Appears in Collections: | Journal Articles |
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