X-ray Photoelectron Spectrometry (XPS) helps scientists understand the surface chemistry of materials, and it can used to explore nearly every element, with the exception of hydrogen and helium. By clicking on different elements on theXPS periodic tableon ourXPS Simplifiedwebpage, researchers can ob...
必应词典为您提供X-RAY-PHOTOELECTRON-SPECTROMETRY的释义,网络释义: 射线光电子能谱测量法;X射线光电子谱法;
X射线光电子能谱法(X-ray photoelectron spectroscopy,XPS)属于侵入式分析技术,用来确定样品中化学元素的氧化状态。XPS检测通常使用粉末样品或粉末压片,也可做断面成像(分辨率为0~10 μm )。XPS 对高灵敏元素的灵敏度为0.1%,对不灵敏元素的灵敏度约为1%。结合离子溅射光束,XPS可通过深度分布信息将元素氧化状态表现为...
A system is disclosed for performing x-ray photoelectron emission analysis which uses a collimated x-ray beam directed to an optically polished sample at a small grazing angle of incidence, a fixed sample/electron spectrometer geometry, and an x-ray detector for detecting x-rays reflected off of...
光:IncidentX-ray发射出的光电子EjectedPhotoelectron FreeElectronLevelFermiLevel ConductionBand ValenceBand2p2s1sL2,L3L1K 1电磁波使内层电子激发,并逸出表面成为光电子,测量被激发的电子能量就得到XPS,不同元素种类、不同元素价态、不同电子层(1s,2s,2p等)所产生的XPS不同。2被激发的电子能量可用下式表示:...
& Ebel, H. About the charging effect in X-ray photoelectron spectrometry. J. Electron Spectrosc. Relat. Phenom. 3, 169–180 (1974). Article CAS Google Scholar Landis, W. J. & Martin, J. R. X‐ray photoelectron spectroscopy applied to gold‐decorated mineral standards of biological ...
1、第五章 X-射线光电子能谱(X-ray Photoelectron Spectroscopy (XPS) ESCA),一 概述,表面分析技术 (Surface Analysis)是对材料外层(the Outer-Most Layers of Materials (100 )的研究的技术。包括: 1 电子谱学(Electron Spectroscopies) X-射线光电子能谱 XPS: X-ray Photoelectron Spectroscopy 俄歇能谱 AES...
包括: 1 电子谱学(Electron Spectroscopies) X-射线光电子能谱 XPS: X-ray Photoelectron Spectroscopy 俄歇能谱 AES: Auger Electron Spectroscopy 电子能量损失谱 EELS: Electron Energy Loss Spectroscopy 2 离子谱学 Ion Spectroscopies 二次离子质谱SIMS: Secondary Ion Mass Spectrometry 溅射中性质谱SNMS: Sputtered...
Among the many surface-analytical techniques, X-ray photoelectron spectroscopy (XPS) is commonly used in a variety of fields, including earth and environmental sciences, due to its versatility. This chapter demonstrates some examples of important items of information (surface chemical composition and ...
Thesaurus Medical Encyclopedia Wikipedia ThesaurusAntonymsRelated WordsSynonymsLegend: Switch tonew thesaurus Noun1. X-ray photography- radiography that uses X-rays to produce a roentgenogram roentgenography diagnostic procedure,diagnostic technique- a procedure followed in making a medical diagnosis ...