title: Multi-step magnetization of the Ising model on a Shastry-Sutherland lattice: a Monte Carlo simulation.
abstract: The magnetization behaviors and spin configurations of the classical Ising model on a Shastry-Sutherland lattice are investigated using Monte Carlo simulations, in order to understand the fascinating magnetization plateaus observed in TmB(4) and other rare-earth tetraborides. The simulations reproduce the 1/2 magnetization plateau by taking into account the dipole-dipole interaction. In addition, a narrow 2/3 magnetization step at low temperature is predicted in our simulation. The multi-step magnetization can be understood as the consequence of the competitions among the spin-exchange interaction, the dipole-dipole interaction, and the static magnetic energy.
authors.affiliation: Institute for Advanced Materials, South China Academy of Advanced Photonics Engineering, South China Normal University, Guangzhou 510006, People's Republic of China.
authors.forename: W C
authors.initials: WC
authors.lastname: Huang
authors.forename: L
authors.initials: L
authors.lastname: Huo
authors.forename: G
authors.initials: G
authors.lastname: Tian
authors.forename: H R
authors.initials: HR
authors.lastname: Qian
authors.forename: X S
authors.initials: XS
authors.lastname: Gao
authors.forename: M H
authors.initials: MH
authors.lastname: Qin
authors.forename: J-M
authors.initials: JM
authors.lastname: Liu