Magnetic properties of a mixed spin-1/2 and spin-3/2 Ising model with an uniaxial and biaxial crystal-field potential

Abstract

Magnetic properties of a mixed spin-1/2 and spin-3/2 Ising model on honeycomb lattice are investigated within the framework of an exact star-triangle mapping transformation. The particular attention is focused on the effect of uniaxial and biaxial crystal-field potentials that basically influence the magnetic behaviour of the spin-3/2 atoms. Our results for the basic thermodynamic quantities, as well as the dynamical time-dependent autocorrelation function indicate the spin tunneling between the $|\pm \frac{3}{2}>$ and $|\mp \frac{1}{2}>$ states in two different magnetically ordered phases OP${}_1$ and OP${}_2$, respectively.

arXiv comment20 pages, 6 figures

References in corpus (2)

• Spin-parity dependent tunneling of magnetization in single-molecule magnets
• Thermodynamic properties of the exactly solvable transverse Ising model on decorated planar lattices

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• Magnetic behavior of a ferro-ferrimagnetic ternary alloy AB${}_{\rho }$C${}_{1-\rho }$ with a selective site disorder: the case study of a mixed-spin Ising model on a honeycomb lattice
• Anisotropic Heisenberg model for the mixed spin-3/2 and spin-1/2 under random crystal field