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- Title
Anisotropy Stabilized Magnetic Phases of the Triangular Antiferromagnet RbFe(MoO<sub>4</sub>)<sub>2</sub>.
- Authors
Sakhratov, Yu. A.; Svistov, L. E.; Reyes, A. P.
- Abstract
The magnetic H–T phase diagram of a quasi-two-dimensional easy plane antiferromagnet RbFe(MoO4)2 (S = 5/2) with an equilateral triangular lattice structure is studied with 87Rb NMR technique for field directed along hard axis C3. The studies confirm the two step transition from the low field umbrella-like incommensurate magnetic phase to the paramagnetic state observed recently (H. Mitamura et al., J. Magn. Magn. Mater. 400, 70 (2016)). The transitions were identified as a lambda anomaly in the spin-lattice relaxation rate and a step increase of magnetic susceptibility at intermediate transition. The 87Rb NMR study precludes the possibility of either V or fan spin textures in the new high field phase. The additional transition is presumably associated with loss of inter plane magnetic order before the transition to paramagnetic state of individual triangular planes.
- Subjects
MAGNETIC transitions; SPIN-lattice relaxation; MAGNETIC susceptibility; MAGNETIC anisotropy
- Publication
Journal of Experimental & Theoretical Physics, 2023, Vol 137, Issue 4, p526
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776123100102