विधियों की तुलना करें
चुनी हुई विधियों की आमने-सामने समीक्षा करें; भिन्नता वाली पंक्तियाँ रेखांकित हैं।
| रमन डीकन्वोल्यूशन× | XRD Rietveld Refinement× | |
|---|---|---|
| क्षेत्र | पदार्थ विज्ञान | पदार्थ विज्ञान |
| परिवार | Process / pipeline | Process / pipeline |
| उद्भव वर्ष≠ | 1928 | 1969 |
| प्रवर्तक≠ | Chandrasekhara Venkata Raman | Hugo Rietveld |
| प्रकार≠ | Analytical technique | Refinement method |
| मौलिक स्रोत≠ | Raman, C. V., & Krishnan, K. S. (1928). The scattering of light by molecules. Nature, 121(3048), 501-502. link ↗ | Rietveld, H. M. (1969). A profile refinement method for nuclear and magnetic structures. Journal of Applied Crystallography, 2(2), 65-71. DOI ↗ |
| उपनाम≠ | Raman deconvolution, Raman peak fitting, spectral analysis | Rietveld refinement, powder diffraction refinement |
| संबंधित | 3 | 3 |
| सारांश≠ | 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. | XRD Rietveld Refinement is a method for extracting detailed crystal structure information from powder diffraction data by comparing observed and calculated diffraction patterns through least-squares refinement. Developed by Hugo Rietveld in 1969, this technique enables determination of atomic positions, occupancies, thermal parameters, and phase fractions directly from powder data without requiring single crystals. It is the standard approach in materials characterization for structural analysis, phase identification, and quantification. |
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