About: X-Ray Photoelectron Spectroscopy     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : owl:Class, within Data Space : linked.opendata.cz associated with source document(s)

AttributesValues
rdf:type
rdfs:label
  • X-Ray Photoelectron Spectroscopy
rdfs:subClassOf
Semantic_Type
  • Research Activity
Preferred_Name
  • X-Ray Photoelectron Spectroscopy
UMLS_CUI
  • C2700282
Legacy_Concept_Name
  • X-Ray_Photoelectron_Spectroscopy
FULL_SYN
  • X-Ray Photoelectron SpectroscopyPTNCI
  • Electron Spectroscopy for Chemical AnalysisSYNCI
  • XPSSYNCI
  • ESCASYNCI
DEFINITION
  • A quantitative spectroscopic technique that both determines the identities and percent composition of elements in a material and measures the elemental chemical and electronic states for a sample. The process, which occurs in a vacuum, involves the irradiation of the material of interest with a beam of aluminum or magnesium X-rays while measuring both the kinetic energy and number of electrons that are released from the outer surface.NCI
DesignNote
  • Soft, mono-energetic x-rays illuminate a region of the sample and photoelectrons emanating from it are energy-analyzed. When coupled with an ion gun, depth profiling can be performed.
  • This technique provides elemental and chemical information about the surface region (first 1-30 monolayers) of nearly any solid material, is sensitive to all elements except hydrogen, and can provide some chemical information about the valence state of elements.
code
  • C78871
http://linked.open...y/mesh/hasConcept
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