(a) Raman spectra of a crystal in the regions of external modes (left column), internal modes (middle column), and (right column) modes. (b) Raman spectra of a crystal in the regions of modes derived from the (left column) and (right column) vibrations.
(a) Micrograph of a bubble core defect in the C3050202 crystal. Raman signals were collected at the center of the core,and around away from it. (b) Raman spectra collected inside and outside a bubble core defect of the sample C3050202.
Stacked Raman spectra of the cloudy sample C171009 at the inclusion areas A, B, C, D, E, and F. The spectrum collected at clear area in orientation is presented at the bottom for comparison.
Atomic group site symmetries and their irreducible representations in (space group , ) crystal.
New Raman peaks collected at different cloud regions at the C171009 sample and their corresponding defect and impurity assignments.
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