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25 papers · 1 filter
Quantum Anomalous Hall Effect in -Electron Kagome Systems: Chern Insulating States from Transverse Spin-Orbit Coupling
Imam Makhfudz, Mikhail Cherkasskii, Mohammad Alipourzadeh +5
The possibility of quantum anomalous Hall effect (QAHE) in two-dimensional kagome systems with -orbital electrons is studied within a multi-orbital tight-binding model. We conce…
Electron spins interaction in the spin-Peierls phase of the organic spin chain (o -DMTTF) 2 X (X = Cl, Br, I)
Loic Soriano, Olivier Pilone, Michael D. Kuz'Min +5
We investigate the electron spin resonance of the organic spin-Peierls chain (o-DMTTF)2X with X = Cl, Br and I. We describe the temperature dependence of the spin gap during the ph…
Frustration enhanced by Kitaev exchange in a triangular antiferromagnet
C. Wellm, W. Roscher, J. Zeisner +9
Triangular Heisenberg antiferromagnets are prototypes of geometric frustration, even if for nearest-neighbor interactions quantum fluctuations are not usually strong enough to dest…
Superlattice Induced by Charge Order in the Organic Spin Chain (TMTTF) ( SbF, AsF and PF) Revealed by High Field EPR
C-E Dutoit, A. Stepanov, J. VanTol +2
We have investigated the charge ordering phase of the quasi one dimensional quantum antiferromagnet (TMTTF) ( SbF, AsF and PF) using high fields/frequencies el…
Ab initio ligand field approach to determine electronic multiplet properties
R. O. Kuzian, O. Janson, A. Savoyant +2
A method is developed to calculate the ligand field (LF) parameters and the multiplet spectra of local magnetic centers with open - and -shells in solids in a parameter-free…
Electron Spin Resonance of Defects in Spin Chains. o-(DMTTF)2X : a versatile system behaving like molecular magnet
L. Soriano, J. Zeisner, V. Kataev +6
The paper presents the Electron Paramagnetic Resonance study of defects in the spin chain o- (DMTTF)2X family using continuous wave and pulsed techniques. The defects in spin chain…