A Monte Carlo study of the anisotropy effects on the spin state evolution in ultrathin helimagnetnanoringsGuo Tian, Xiao Song, Peilian Li, Minghui Qin, Min Zeng, Xingsen Gao and Junming LiuEPL, 109 1 (2015) 17002DOI: https://doi.org/10.1209/0295-5075/109/17002