AI Article Synopsis
- Femtosecond time-resolved impulsive stimulated Raman scattering (fs-ISRS) was used to study the dynamics of low frequency lattice modes in RDX crystals.
- Four distinct lattice modes were identified from the time-resolved spectrum via Fourier filtering, with their wavenumbers and time constants determined through curve fitting.
- Among these modes, the one with a wavenumber of 30 cm has a significantly longer lifetime, suggesting it may play a key role in damaging intermolecular interactions under strong external stimuli.
Article Abstract
The femtosecond time-resolved impulsive stimulated Raman scattering (fs-ISRS) has been performed to study the low frequency lattice mode dynamics of the RDX crystal. Through Fourier filtering, four lattice mode dynamics is distinguished from the time-resolved spectrum. And the wavenumbers and time constants of these four lattice modes are determined by fitting their dynamic curves. The energy dispersion paths of these four lattice modes are deduced from these fitting parameters. Compared with the other three lattice modes, the lattice mode with wavenumber 30 cm has a very longer life time. We consider that the excitation of this lattice mode more likely to cause the damage of the intermolecular interaction under the strong external stimulation.
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Source |
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9925810 | PMC |
| http://dx.doi.org/10.1038/s41598-023-29179-7 | DOI Listing |
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