论文标题
$ {\ mathrm {naoso}} _ {3} $的磁性顺序熔化fs激光脉冲
Melting of magnetic order in ${\mathrm{NaOsO}}_{3}$ by fs laser pulses
论文作者
论文摘要
Naoso $ _3 $最近引起了其电子带结构与磁性订购之间的强耦合的极大关注。在这里，我们使用时间分辨的磁X射线衍射来确定Naoso $ _3 $中光诱导的\ afm动力学的时间尺度。我们的测量值与\ afm远程顺序的亚100 〜fs熔化一致，该熔点的发生速度明显快于晶格动力学，这是由于选定的Bragg结构反射强度的瞬态变化而监测的，而这表明在几个PS的时间尺度上的强度下降。
NaOsO$_3$ has recently attracted significant attention for the strong coupling between its electronic band structure and magnetic ordering. Here, we used time-resolved magnetic X-ray diffraction to determine the timescale of the photoinduced \afm dynamics in NaOsO$_3$. Our measurements are consistent with a sub-100~fs melting of the \afm long-range order, that occurs significantly faster than the lattice dynamics as monitored by the transient change in intensity of selected Bragg structural reflections, which instead show a decrease of intensity on a timescale of several ps.
