เปรียบเทียบวิธี

	X-ray Photoelectron Spectroscopy	การแยกสเปกตรัมรามัน
สาขาวิชา	วัสดุศาสตร์	วัสดุศาสตร์
ตระกูล	Process / pipeline	Process / pipeline
ปีกำเนิด	1967	1928
ผู้ริเริ่ม	Kai Siegbahn	Chandrasekhara Venkata Raman
ประเภท	Analytical technique	Analytical technique
แหล่งต้นตำรับ	Siegbahn, K., Nordling, C., Fahlman, A., et al. (1967). ESCA: Atomic, Molecular and Solid State Structure Studied by Means of Electron Spectroscopy. Almqvist and Wiksells.	Raman, C. V., & Krishnan, K. S. (1928). The scattering of light by molecules. Nature, 121(3048), 501-502.
ชื่อเรียกอื่น	XPS, ESCA, electron spectroscopy for chemical analysis	Raman deconvolution, Raman peak fitting, spectral analysis
ที่เกี่ยวข้อง	3	3
สรุป	X-ray Photoelectron Spectroscopy (XPS), also known as Electron Spectroscopy for Chemical Analysis (ESCA), is a surface-sensitive analytical technique that measures the kinetic energies of photoelectrons ejected from a material by high-energy X-rays. Developed by Kai Siegbahn in 1967, XPS determines elemental composition, chemical oxidation states, and chemical bonding within ~10 nanometers of a surface. It is indispensable in materials science for surface characterization, corrosion studies, oxide analysis, and interface chemistry.	Raman Deconvolution is the mathematical decomposition of experimental Raman spectra into constituent peaks using spectral fitting algorithms. Building on Raman spectroscopy (discovered by C.V. Raman in 1928), Raman deconvolution resolves overlapping vibrational bands into individual component peaks, revealing detailed information about molecular bonds, crystal phases, strain, and defects. This quantitative analysis transforms raw Raman spectra into actionable chemical and structural insights, making it essential for materials characterization, quality control, and scientific discovery.