论文标题
SACLA中的单射击X射线衍射法,脉冲磁场高达16吨
Single shot x-ray diffractometry in SACLA with pulsed magnetic fields up to 16 T
论文作者
论文摘要
在脉冲高磁场下,使用X射线游离电子激光器(XFEL)进行了单射击X射线衍射(XRD)实验,该脉冲高磁场最多可产生16吨,该电场用无损的微型油脂产生。在钙钛矿锰中的抗磁绝缘体阶段,pr $ _ {0.6} $ ca $ _ {0.4} $ mno $ $ _ {3} $,在$ \ \ \ \ \ \ 8 $ t的磁场上折叠约8 $ t,大约出现,并在效率金属的阶段出现,并通过单个镜头进行了序列的变化。讨论了超过100吨的超高磁场下的单射击XRD实验的可行性,该实验是用便携式破坏性脉冲磁铁生成的。
Single shot x-ray diffraction (XRD) experiments have been performed with a x-ray free electron laser (XFEL) under pulsed high magnetic fields up to 16 T generated with a nondestructive minicoil. The antiferromagnetic insulator phase in a perovskite manganaite, Pr$_{0.6}$Ca$_{0.4}$MnO$_{3}$, is collapsed at a magnetic field of $\approx 8$ T with an emergence of the ferromagnetic metallic phase, which is observed via the accompanying lattice changes in a series of the single shot XRD. The feasibility of the single shot XRD experiment under ultrahigh magnetic fields beyond 100 T is discussed, which is generated with a portable destructive pulse magnet.