Multi‐Scale Modeling of Surface Second‐Harmonic Generation in Centrosymmetric Molecular Crystalline Materials: How Thick is the Surface?
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DOI: 10.1002/adom.202400150
Abstract: Second–harmonic generation (SHG) is forbidden in centrosymmetric materials. However, a signal is observed from interfaces where the symmetry is broken. Whereas the effect can be phenomenologically accommodated, a qualitative and quantitative description remained elusive, preventing… read more here.
Keywords: surface second; centrosymmetric molecular; surface; multi scale ... See more keywords
Investigation of porous surface on second mode in hypersonic boundary layer
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DOI: 10.1063/5.0226284
Abstract: The second mode is the main instability factor in hypersonic flow and shows the characteristics of acoustic disturbance. The stabilization effect of a porous surface on the second mode in a hypersonic boundary layer is… read more here.
Keywords: mode hypersonic; surface; porous surface; surface second ... See more keywords