在欧洲同步辐射装置（ESRF）的能量色散光束线上进行的高磁场和低温下的X射线吸收光谱（XAS）和X射线磁圆二色性（XMCD）研究
XAS and XMCD under high magnetic field and low temperature on the energy-dispersive beamline of the ESRF.
作者信息
Mathon O, van der Linden P, Neisius T, Sikora M, Michalik J M, Ponchut C, De Teresa J M, Pascarelli S
机构信息
European Synchrotron Radiation Facility, BP 220, 38043 Grenoble CEDEX, France.
出版信息
J Synchrotron Radiat. 2007 Sep;14(Pt 5):409-15. doi: 10.1107/S0909049507030099. Epub 2007 Aug 10.
The present paper demonstrates the feasibility of X-ray absorption spectroscopy (XAS) and X-ray magnetic circular dichroism (XMCD) under high magnetic fields up to 26 T and low temperatures down to 5 K on the ID24 energy-dispersive XAS beamline of the ESRF. The pulsed magnetic field set-up, entirely developed at the ESRF, is described as well as the beamline set-up, the synchronization and the measurement procedure. It allows field strengths up to 30 T. Finally, as an example, we report a recent XMCD study at the Re L2 and L3 absorption edges of the double perovskite Sr2CrReO(6).
本文展示了在欧洲同步辐射装置（ESRF）的ID24能量色散X射线吸收光谱（XAS）束线，在高达26 T的高磁场和低至5 K的低温条件下进行X射线吸收光谱（XAS）和X射线磁圆二色性（XMCD）测量的可行性。文中描述了完全由ESRF开发的脉冲磁场装置，以及束线装置、同步和测量程序。该装置可实现高达30 T的场强。最后，作为一个例子，我们报告了最近在双钙钛矿Sr2CrReO(6)的Re L2和L3吸收边进行的XMCD研究。
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