Raman scattering in right angle configuration on Cu 2 ZnSiSe 4 single crystals
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DOI: 10.1016/j.optmat.2017.08.001
Abstract: Abstract Polarized Raman scattering and resonance Raman scattering spectra of Cu2ZnSiSe4 crystals measured at temperature 300 and 10 K were investigated. Nine vibrational modes of A2 symmetry, seven modes of B2 symmetry and nine modes of… read more here.
Keywords: raman scattering; angle configuration; modes symmetry; scattering right ... See more keywords
Topological edge modes with PT symmetry in a quasiperiodic structure
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DOI: 10.1103/physreva.96.023864
Abstract: We investigate topological features of a one-dimensional photonic quasicrystal within the context of PT symmetry. Via the scattering characteristics, we analyze various properties of a particular mirrored structure, which supports topological edge modes in its… read more here.
Keywords: edge modes; modes symmetry; structure; symmetry quasiperiodic ... See more keywords