noun a point on a graph representing the amount of light absorbed by a substance at a specific wavelength
In environmental science, absorption edges can be used to analyze the presence of specific elements in soil or water samples, providing valuable information for pollution monitoring and remediation efforts.
In chemistry, absorption edge is used to study the electronic structure of atoms and molecules by analyzing the absorption of X-rays or other forms of radiation.
In physics, absorption edge refers to the sudden increase in absorption of electromagnetic radiation that occurs when the energy of the radiation matches the energy difference between two electronic states in a material.
In materials science, absorption edge is important for determining the band gap of semiconductors and insulators, as well as for studying the optical properties of materials.
In astrophysics, absorption edges are observed in the spectra of celestial objects and are used to infer the composition and physical conditions of the emitting material.
In physics, the term 'absorption edge' is used to refer to the sharp increase in absorption of X-rays or gamma rays at a specific energy level. This phenomenon is used in various spectroscopic techniques to study the electronic structure of materials.
Chemists use absorption edges in X-ray absorption spectroscopy to determine the oxidation state of elements in a compound. By analyzing the absorption edges, chemists can gain insight into the chemical bonding and coordination environment of the elements.
In materials science, absorption edges are used to study the electronic properties of materials. By analyzing the absorption edges in X-ray absorption spectroscopy, materials scientists can determine the valence state and local structure of atoms in a material.
Environmental scientists may use absorption edges in X-ray fluorescence spectroscopy to analyze the elemental composition of environmental samples. By studying the absorption edges of different elements, environmental scientists can identify pollutants and trace their sources.
Geologists may use absorption edges in X-ray diffraction analysis to identify minerals in rock samples. By analyzing the absorption edges of specific elements in a mineral, geologists can determine its chemical composition and crystal structure.