High-resolution photoelektron momentum microscopy of organic charge-transfer salts at variable temperature (B08)

该项目的重点是通过应用一种称为飞行时间动量显微镜的角度分辨光电发射的新方法来确定有机电荷转移盐的电子结构。这样就可以同时在相关能带和整个布里渊区以最小的辐射损伤和高空间分辨率获得价带结构及其温度依赖关系。k-(BEDT-TTF)2X和TMTTF2X晶体的计算结果将与理论计算结果进行比较。基于同步加速器的NEXAFS和HAXPES在电荷转移过程的细节上提供了互补的信息。

The project focuses on the determination of the electronic structure of organic charge-transfer salts by applying a novel approach of angle-resolved photoemission, called time-of-flight momentum microscopy. This gives access to the valence band structure and its temperature dependence, simultaneously in the relevant energy band and the full Brillouin zone with minimum radiation damage and high spatial resolution. Results for k-(BEDT-TTF)2X and TMTTF2X crystals will be compared with theoretical calculations. Synchrotron-based NEXAFS and HAXPES yield complementary information on details of the charge-transfer process.