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利用超声分子束和飞行时间质谱检测系统,实验研究了Fe(CO)_5在308nm,355nm和355nm+532nm波长的多光子解离和电离机制.根据实验测量和对于质谱峰结构和峰型的分析分离出由不同机制产生的各离子信号.对于Fe~+和Fe(CO)_5离子分子反应机制及其关于激光波长的依赖关系.从实验和理论两方面做了较深入的研究.
The multi-photon dissociation and ionization mechanism of Fe (CO) _5 at 308nm, 355nm and 355nm + 532nm were investigated by using ultrasonic molecular beam and time of flight mass spectrometry system.According to the experimental measurements and the analysis of peak structure and peak shape Separate the ion signals generated by different mechanisms.Relationship between the reaction mechanism of Fe ~ + and Fe (CO) _5 ion molecules and their dependence on the wavelength of laser is studied deeply from both experimental and theoretical aspects.