Field-tunable Berezinskii-Kosterlitz-Thouless correlations in a Heisenberg magnet
We report the manifestation of field-induced Berezinskii-Kosterlitz-Thouless (BKT) correlations in the weakly coupled spin-1/2 Heisenberg layers of the molecular-based bulk material [Cu(pz)2(2−HOpy)2](PF6)2. At zero field, a transition to long-range order occurs at 1.38 K, caused by a weak intrinsic...
Main Authors: | Opherden, D, Tepaske, MSJ, Bärtl, F, Weber, M, Turnbull, MM, Lancaster, T, Blundell, SJ, Baenitz, M, Wosnitza, J, Landee, CP, Moessner, R, Luitz, DJ, Kühne, H |
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Format: | Journal article |
Language: | English |
Published: |
American Physical Society
2023
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