G. Burns
Physics Letters A
A temperature dependent "soft" optic phonon is found in the ferroelectric Pb5Ge3O11. Other details of the optic phonons that transform as the totally symmetric irreducible representation also are reported. © 1972.
G. Burns
Physics Letters A
B.A. Scott, R.D. Estes
Applied Physics Letters
J.B. Torrance, B.A. Scott, et al.
Solid State Communications
M.L. Dakss, L. Kuhn, et al.
Applied Physics Letters