Võrdle meetodeid
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| Termogravimeetriline analüüs× | Ramani dekonvolutsioon× | |
|---|---|---|
| Valdkond | Materjaliteadus | Materjaliteadus |
| Perekond | Process / pipeline | Process / pipeline |
| Tekkeaasta≠ | 1960s | 1928 |
| Looja≠ | William W. Wendlandt | Chandrasekhara Venkata Raman |
| Tüüp≠ | Characterization method | Analytical technique |
| Algallikas≠ | Wendlandt, W. W. (1986). Thermal Analysis (3rd ed.). John Wiley & Sons. link ↗ | Raman, C. V., & Krishnan, K. S. (1928). The scattering of light by molecules. Nature, 121(3048), 501-502. link ↗ |
| Rööpnimetused | TGA, thermal gravimetry, thermogravimetry | Raman deconvolution, Raman peak fitting, spectral analysis |
| Seotud | 3 | 3 |
| Kokkuvõte≠ | Thermogravimetric Analysis (TGA) is a thermal characterization technique that continuously measures mass loss or gain of a material as a function of temperature (or time at constant temperature). Developed systematically by William Wendlandt and colleagues in the 1960s, TGA identifies thermal transitions (evaporation, decomposition, oxidation, reduction) and quantifies composition of polymers, pharmaceuticals, ceramics, and other materials. The derivative signal (DTG) highlights transition temperatures. When combined with gas analysis (MS, FTIR), decomposition products are identified. | 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. |
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