Definition/Description
Infrared spectroscopy deals with the interaction of infrared (IR) radiations with the planetary surfaces to measure the energy that is transmitted, reflected, and emitted from their surfaces. It characterizes/detects minerals based on the spectra generated following the interaction of IR radiations with the matter. To determine the mineral composition, it captures the fundamental vibrational modes of molecules in minerals within the spectral range 0.7–300 μm and is divided into near-IR (0.7–2.5 μm), mid-IR (2.5–25 μm), and far-IR (25–300 μm). As infrared radiations can travel through vacuum with the heat associated with the motion and kinetic energy of the molecules, they also provide information about the molecular structure.
Introduction
Every mineral has a unique chemical composition and crystalline structure with vibration motions of characteristic frequencies associated with the molecules and...
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Chauhan, M., Chauhan, P. (2023). Infrared Spectroscopy. In: Cudnik, B. (eds) Encyclopedia of Lunar Science. Springer, Cham. https://doi.org/10.1007/978-3-319-14541-9_167
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DOI: https://doi.org/10.1007/978-3-319-14541-9_167
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