Magnetic susceptibility of YbRh2Si2 and YbIr2Si2 on the basis of a localized 4f electron approach

Abstract

We consider the local properties of the Yb3+ ion in the crystal electric field in the Kondo lattice compounds YbRh2Si2 and YbIr2Si2. On this basis we have calculated the magnetic susceptibility taking into account the Kondo interaction in the simplest molecular field approximation. The resulting Curie-Weiss law and Van Vleck susceptibilities could be excellently fitted to experimental results in a wide temperature interval where thermodynamic and transport properties show non-Fermi-liquid behaviour for these materials.

arXiv comment12 pages, 4 figures, 4 tables

References in corpus (5)

• Quantum Criticality in Heavy Fermion Metals
• Locally critical quantum phase transitions in strongly correlated metals
• Onset of antiferromagnetism in heavy fermion metals
• ESR of YbRh2Si2 and 174YbRh2Si2 : local and itinerant properties
• Spin dynamics of $YbR{h}_{2}S{i}_2$ observed by Electron Spin Resonance

Cited by in corpus (10)

• Electron Spin Resonance on the spin-1/2 triangular magnet NaYbS2
• Why could Electron Spin Resonance be observed in a heavy fermion Kondo lattice?
• Probing Strongly Correlated 4f-Orbital Symmetry of the Ground State in Yb Compounds by Linear Dichroism in Core-Level Photoemission
• Electron Spin Resonance of the Yb 4f moment in Yb(Rh1-xCox)2Si2
• Anisotropic electron spin resonance of YbIr2Si2
• Crystal electric field parameters for Yb3+ ion in YbRh2Si2
• Low temperature properties of the Electron Spin Resonance in YbRh2Si2
• Magnetic phase diagram of YbCo2Si2 derived from magnetization measurements
• Spin relaxation in Kondo lattices
• Effect of pressure on the Electron Spin Resonance of a Heavy-Fermion metal