Coherent energy scale revealed by ultrafast dynamics of UX3 (X = Al, Sn, Ga) single crystals

@article{Nair2012CoherentES,
  title={Coherent energy scale revealed by ultrafast dynamics of UX3 (X = Al, Sn, Ga) single crystals},
  author={Saritha K. Nair and J.-X. Zhu and J L Sarrao and A. Joanna Taylor and Elbert E. M. Chia},
  journal={Physical Review B},
  year={2012},
  volume={86},
  pages={115103}
}
Temperature dependence of relaxation dynamics of UX$_{3}$ (X = Al, Ga, Sn) compounds is studied using time resolved pump-probe technique in the reflectance geometry. UGa$_{3}$ is an itinerant antiferromagnet, while UAl$_{3}$ and USn$_{3}$ are spin fluctuation systems. For UGa$_{3}$, our data are consistent with the formation of a spin density wave SDW gap as evidenced from the quasidivergence of the relaxation time $\tau$ near the N\'{e}el temperature $T_{N}$. For UAl$_{3}$ and USn$_{3}$, the… 
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