Acronym of XPS

( X-ray Photoelectron Spectroscopy ) Spectroscopy, photoelectron X-rays (XPS), species, spectroscopy, a little set that in it with shining X-rays, and measured simultaneously the number of electrons released at a distance of 1 to 10 nano-meter level, and the kinetic energy of the electrons., the range of comes that expresses some features of the article. This method requires a vacuum, very high.