G. Burns, D.F. O'Kane
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, D.F. O'Kane
Physics Letters A
N. Maley, J.S. Lannin, et al.
Journal of Non-Crystalline Solids
B.D. Silverman, B.A. Scott, et al.
Chemical Physics Letters
A.W. Smith, G. Burns
Physics Letters A