23. Which of the following statements concerning surface spectroscopic methods are INCORRECT?
(A) X-ray photoelectron spectroscopy is useful to identify the elemental composition of the sampleand determine its valance state.
(B) The elemental hydrogen in the sample can be detected by X-Ray photoelectron spectroscopy.
(C) The process of Auger electron spectroscopy (AES) includes atomic ionization, electron emission,and analysis of the emitted Auger electrons
(D) In X-Ray photoelectron spectroscopy, detection limits for most of the elements are in the partsper thousand range.