SEARCH Articles Figures Tables A-Ray Photoelectron Spectroscopy (XPS) - Adsorbate-core Emission Chemistry Characterized by XPS and Sputtered Neutral Mass Spectroscopy Photoelectron Spectroscopy (UPS, XPS) and Circular Dichroism Photoelectron Spectroscopy (XPS or ESCA) Photoelectron Spectroscopy (XPS, ESCA) Photoelectron spectroscopy (PES, UPS, XPS, ESCA) Photoelectron spectroscopy, XPS Ray Photoelectron Spectroscopy (XPS) Spectroscopy and XPS) X-ray photo electron spectroscopy (XPS X-ray photoelectron spectroscopy (XPS X-ray photoelectron spectroscopy (XPS or ESCA) X-ray photoelectron spectroscopy (XPS, ESCA X-ray photoelectron spectroscopy XPS) method X-ray photoelectron spectroscopy XPS) results XPS