What does XANES mean in ELECTRONICS
XANES stands for X-ray Absorption Near-Edge Structure and is a spectroscopic technique used to analyze the chemical composition of a material. It has a wide range of applications and is mainly used in analytical chemistry, materials science, and biochemistry. XANES spectra are used to identify various molecular species in samples such as proteins, lipids, solvents, ions, and minerals. The technique relies on the energy of radiation absorbed by atoms when it passes through matter at different distances from its source. By measuring this absorption capacity, it is possible to characterize the electronic structure of molecules and elements present in the sample.
XANES meaning in Electronics in Academic & Science
XANES mostly used in an acronym Electronics in Category Academic & Science that means X-ray Absorption Near-Edge Structure
Shorthand: XANES,
Full Form: X-ray Absorption Near-Edge Structure
For more information of "X-ray Absorption Near-Edge Structure", see the section below.
What Is XANES?
XANES (X-ray Absorption Near-Edge Structure) is an X-ray spectroscopy method used to gain detailed information about the elemental composition of a sample. By using high energy X-rays that have been filtered according to their energy level, scientists are able to analyze the XANES spectrum which displays characteristic features unique to each element present in the sample. This allows trace amounts of certain elements or compounds to be detected using this method. A common application of XANES involves studying surface layers of materials where different elements could have either formed spontaneously or through external influences like corrosion processes or exposure to environmental agents such as UV radiation. In addition, it can also be used in studies involving protein structure determination or drug metabolite analysis due its sensitivity towards specific small organic molecules. The main advantage of this technique comes from its ability to study very complex samples or surfaces without the need for extensive sample preparation which could otherwise disrupt existing structures or change their properties entirely.
Essential Questions and Answers on X-ray Absorption Near-Edge Structure in "SCIENCE»ELECTRONICS"
What is XANES?
XANES stands for X-ray Absorption Near-Edge Structure. It is an analytical technique that gives information on what elements are present in a sample and their bonding configuration. This technique determines the near-edge structure of X-rays, which allows researchers to identify elements in a material and measure the intensity of the absorption.
What are the benefits of using XANES?
XANES has several advantages over other methods of elemental analysis such as providing element selectivity, avoiding sample preparation and being relatively non-destructive to the sample. It provides detailed structural information about complex materials, allowing researchers to better understand them.
What type of radiation does XANES use?
Typically, Synchrotron Radiation (SR) is used for X-ray Absorption Near-Edge Structure measurements. Synchrotron radiation is produced when electrons accelerate around a curvature and emit photons due to their acceleration into curved paths.
How does XANES work?
The principle behind using this technique involves measuring the energy levels at which an incident photon strikes a material and how much energy it takes away from it during its absorption process. After absorbing a photon, electrons in the material become ‘excited’ and move from an occupied state, known as ground state, to an unoccupied higher energy level or excited state.
How do I prepare my sample for testing with XANES?
Generally there is no need for extensive sample preparation since samples can remain close to their natural state before analysis by keeping them in air or vacuum atmosphere at room temperature. However depending on your research needs there may be some additional preparation steps involved such as preparing thin layers or electrochemically deposited films.
What types of measurements can be made with XANES?
With the results from this technique, researchers are able to perform elemental analyses and determine local atomic coordination density through statistical properties like bond lengths/angles/distances,
Are there any limitations associated with this technique?
There are several limitations associated with this technique including the fact that only one type of atom can be analyzed at a time in a single experiment. Additionally, this method requires highly specialized equipment such as synchrotron radiation sources which may not be available everywhere.
What applications might utilize this technology?
The use of XANES has enabled advances in research areas such as heterogeneous catalysis, environmental studies pharmaceuticals, mineralogy and forensic science among others. This method can also help identify defects in materials such as semiconductors or polymers.
Final Words:
X-ray Absorption Near Edge Spectroscopy (XANES) has become an increasingly important tool for analyzing material components at both atomic and molecular levels with minimal disruption caused by sample preparation. Its applications range from mineral identification and protein structure determination to environmental monitoring and drug metabolite analysis where trace amounts would normally be difficult to detect using other methods.