Accurate electron affinity of atomic cerium and excited states of its anion*

2020/05/07 by Xiaoxi Fu, Rulin Tang, Yuzhu Lu +1 · 1 citation
Physics and Astronomy · Chemistry · #Advanced Chemical Physics Studies #Atomic and Molecular Physics #Rare-earth and actinide compounds #Cerium #Excited state #Electron affinity (data page) #Ion #Lanthanide #Atom (system on chip) #Atomic physics #Electron #Materials science #Atomic number #Chemistry #Physics #Molecule #Nuclear physics

paper · doi:10.1088/1674-1056/ab90e9

openalex publication_date 2020/05/07 · openalex created_date 2025/10/10 · openalex updated_date 2026/06/17

Abstract

Electron affinities (EA) of most lanthanide elements still remain unknown owing to their relatively lower EA values and the fairly complicated electronic structures. In the present work, we report the high-resolution photoelectron spectra of atomic cerium anion Ce − using the slow electron velocity-map imaging method in combination with a cold ion trap. The electron affinity of Ce is determined to be 4840.62(21) cm −1 or 0.600160(26) eV. Moreover, several excited states of Ce − ( 4 H 9/2 , 4 I 9/2 , 2 H 9/2 , 2 G 9/2 , 2 G 7/2 , 4 H 13/2 , 2 F 5/2 , and 4 I 13/2 ) are observed.

Citations

• Photodetachment microscopy to an excited spectral term and the electron affinity of phosphorus
• Pulsed photodetachment microscopy and the electron affinity of iodine
• Accurate electron affinity of V and fine-structure splittings of V− via slow-electron velocity-map imaging
• Precision measurement of the electron affinity of niobium
• Observation of Rhenium Anion and Electron Affinity of Re
• Electron affinity of the hafnium atom
• Accurate electron affinity of Ti and fine structures of its anions
• Measurement of electron affinity of atomic lutetium via the cryo-SEVI Method
• Candidate for Laser Cooling of a Negative Ion: High-Resolution Photoelectron Imaging of Th−
• Accurate electron affinity of Ga and fine structures of its anions

Cited by

• Electron affinity (data page) [wikipedia]