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A cookbook for the investigation of coordination polymers by transition metal K-edge XMCD
Journal of Synchrotron Radiation ( IF 2.5 ) Pub Date : 2021-06-02 , DOI: 10.1107/s1600577521004884
Adama N'Diaye 1 , Amélie Bordage 1 , Lucie Nataf 2 , François Baudelet 2 , Thierry Moreno 2 , Anne Bleuzen 1
Affiliation  

In order to disentangle the physical effects at the origin of transition metal K-edge X-ray magnetic circular dichroism (XMCD) in coordination polymers and quantify small structural distortions from the intensity of these signals, a systematic investigation of Prussian blue analogs as model compounds is being conducted. Here the effects of the temperature and of the external magnetic field are tackled; none of these external parameters modify the shape of the XMCD signal but they both critically modify its intensity. The optimized experimental conditions, as well as a reliable and robust normalization procedure, could thus be determined for the study of the intrinsic parameters. Through an extended discussion on measurements on other XMCD-dedicated beamlines and for other coordination compounds, we finally provide new transition metal K-edge XMCD users with useful information to initiate and successfully carry out their projects.

中文翻译:

通过过渡金属 K-edge XMCD 研究配位聚合物的食谱

为了解开过渡金属K起源处的物理效应配位聚合物中的边缘 X 射线磁性圆二色性 (XMCD) 并根据这些信号的强度量化小的结构畸变,正在对普鲁士蓝类似物作为模型化合物进行系统研究。这里解决了温度和外部磁场的影响;这些外部参数都不会修改 XMCD 信号的形状,但它们都严重修改了其强度。因此可以确定优化的实验条件以及可靠和稳健的归一化程序,用于研究内在参数。通过对其他 XMCD 专用光束线和其他配位化合物的测量的扩展讨论,我们最终提供了新的过渡金属K-edge XMCD 用户提供有用的信息来启动和成功执行他们的项目。
更新日期:2021-07-24
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