高强度微波辐射诱导的 Fe_8 单分子磁体非平衡磁化动力学
介观与纳米尺度物理
2009-11-11 v2
摘要
施加于分子磁体 Fe_8 单晶的共振微波辐射导致样品磁化发生剧烈变化。尽管在标称系统温度下这些激发态的布居数可以忽略不计,但仍观察到了激发态之间的跃迁。我们发现了在满足共振条件时样品显著加热的证据。此外,在强辐射短脉冲关闭后仍观察到加热现象,这表明自旋系统与晶格处于非平衡状态。
引用
@article{arxiv.cond-mat/0502424,
title = {Non-equilibrium Magnetization Dynamics in the Fe_8 Single-Molecule Magnet Induced by High-Intensity Microwave Radiation},
author = {M. Bal and Jonathan R. Friedman and Y. Suzuki and E. M. Rumberger and D. N. Hendrickson and N. Avraham and Y. Myasoedov and H. Shtrikman and E. Zeldov},
journal= {arXiv preprint arXiv:cond-mat/0502424},
year = {2009}
}
备注
Version to appear in Europhysics Letters. Minor changes and updated references