Table 1 Raman tensors (\({R}_{j}\)) for the D4h point group
From: Identification of phonon vibrational modes for the layered Ta2Se metal-rich chalcogenide
Mode | A1g | B1g | B2g | Eg | |
|---|---|---|---|---|---|
\(\left(\begin{array}{ccc}a & 0 & 0\\ 0 & a & 0\\ 0 & 0 & b\end{array}\right)\) | \(\left(\begin{array}{ccc}c & 0 & 0\\ 0 & -c & 0\\ 0 & 0 & 0\end{array}\right)\) | \(\left(\begin{array}{ccc}0 & d & 0\\ d & 0 & 0\\ 0 & 0 & 0\end{array}\right)\) | \(\left(\begin{array}{ccc}0 & 0 & 0\\ 0 & 0 & {\rm{e}}\\ 0 & {\rm{e}} & 0\end{array}\right)\) | \(\left(\begin{array}{ccc}0 & 0 & -e\\ 0 & a & 0\\ -e & 0 & 0\end{array}\right)\) | |
