Related Experiment Video
Updated: Jun 10, 2026

Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors
Published on: November 15, 2016
Chemical effects of CeL(gamma4) emission spectra for Ce compounds
Hisashi Hayashi1, Yuki Takehara, Naomi Kawamura
1Department of Chemical and Biological Sciences, Faculty of Science, Japan Women's University, Bunkyo, Tokyo 112-8681, Japan. hayashih@fc.jwu.ac.jp
Abstract:
High-resolution CeL(gamma4) emission spectra of CeF(3), Ce(2)S(3), CeF(4), and CeO(2) have been measured using a multicrystal, multidetector spectrometer. The spectra exhibited substantial differences depending on the chemical environment of the Ce ions. By comparing the observed CeO(2) spectrum with the band calculations, we determined that the observed chemical effects of the main emission line were primarily attributable to the transitions of the Ce5p band; the high-energy tail at around 6.539 keV was assigned to the ligand p-->Ce2s cross transition. Further, a key difference between CeL(gamma4) and EuL(gamma4) is discussed with reference to CeL(1)- and EuL(1)-X-ray absorption fine-structures (XAFS). Possible applications of CeL(gamma4) emissions to material characterization are also suggested.
Related Concept Videos
Emission Spectra
Types of Radioactivity
Alpha (α) decay is the emission of an α particle from the nucleus. For example, polonium-210 undergoes α decay:
Atomic Emission Spectroscopy: Interference
Atomic Emission Spectroscopy: Lab
Variables Affecting Phosphorescence and Fluorescence
Gas Chromatography: Types of Detectors-II

