期刊
PHYSICAL REVIEW LETTERS
卷 107, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.057202
关键词
-
资金
- Swiss National Science Foundation [200021-121844]
- Swiss National Science Foundation (SNF) [200021_121844] Funding Source: Swiss National Science Foundation (SNF)
In this study we report on jumps in the magnetic moment of the hemo-ilmenite solid solution (x)FeTiO3-(1 - x)Fe2O3 above Fe(III) percolation at low temperature (T < 3 K). The first jumps appear at 2.5 K, one at each side of the magnetization loop, and their number increases with decreasing temperature and reaches 5 at T = 0.5 K. The jumps occur after field reversal from a saturated state and are symmetrical in the trigger field and intensity with respect to the field axis. Moreover, an increase of the sample temperature by 2.8% at T = n = 2.0 K indicates the energy released after the ignition of the magnetization jump, as the spin-currents generated by the event are dissipated in the lattice. The magnetization jumps are further investigated by Monte Carlo simulations, which show that these effects are a result of magnetic interaction-induced partitioning on a sublattice level.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据