Table 2 The Raman intensities for method 1 under perpendicular () and parallel () analyzer polarization in the D4h point group

From: Identification of phonon vibrational modes for the layered Ta2Se metal-rich chalcogenide

Mode

Polarization

Perpendicular ()

Parallel ()

A1g

\({{\rm{a}}}^{2}{\sin }^{2}\alpha\)

\({{\rm{a}}}^{2}{\cos }^{2}\alpha\)

B1g

\({{\rm{c}}}^{2}{\sin }^{2}\alpha\)

\({{\rm{c}}}^{2}{\cos }^{2}\alpha\)

B2g

\({{\rm{d}}}^{2}{\cos }^{2}\alpha\)

\({{\rm{d}}}^{2}{\sin }^{2}\alpha\)

Eg

0

0