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Field-induced incommensurate phase in the strong-rung spin ladder with ferromagnetic legs
- Source :
- Phys. Rev. B 89, 220402(R) (2014)
- Publication Year :
- 2014
-
Abstract
- We report magnetization, specific heat, and NMR measurements of 3-Br-4-F-V [=3-(3-bromo-4-fluorophenyl)-1,5-diphenylverdazyl], a strong-rung S=1/2 Heisenberg spin ladder with ferromagnetic leg interactions. We explain the magnetic and thermodynamic properties based on the strong-rung regime. Furthermore, we find a field-induced successive phase transition in the specific heat and the nuclear spin-lattice relaxation rate 1/T1. 19F-NMR spectra for higher- and lower-temperature phases indicate partial magnetic order and incommensurate long-range order, respectively, evidencing the presence of frustration due to weak interladder couplings.<br />Comment: 12 pages, 3 figures
- Subjects :
- Condensed Matter - Strongly Correlated Electrons
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. B 89, 220402(R) (2014)
- Publication Type :
- Report
- Accession number :
- edsarx.1406.2231
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevB.89.220402