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Characterization of the electronic and geometric structure of 3d transition metal complexes by X-Ray Emission Spectroscopy (XES) (CAT#: STEM-ST-0278-WXH)

Introduction

3d–series consists of elements from Sc (at no. 21) to Zn (at no. 30). These elements lie in the 4th period of the periodic table. In the atoms of these elements the last electron goes to 3d–orbitals, i.e., in this series 3d orbitals are progressively filled up with electrons as we move from Sc to Zn.




Principle

XES is an element-specific method primarily used to analyze the partially occupied electronic structure of materials. The technique is one of the photon-in-photon-out spectroscopies in which an incident X-ray photon is used to excite a core electron, which leads to the transition of the electron from the ground state to the excited state, and then the excited state of the electron decays with the emission of an X-ray photon in order to fill the core hole.

Applications

Used for the study of electronic structure and for the qualitative and quantitative analysis of substances.

Materials

• X-ray emission spectrometer
• X-ray generating equipment (X-ray tube)
• Collimators
• Monochromators
• X-ray detectors