A.W. Smith, 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.
A.W. Smith, G. Burns
Physics Letters A
D.M. Newns, J. Misewich, et al.
Applied Physics Letters
B.D. Silverman, B.A. Scott
The Journal of Chemical Physics
E.A. Giess, B.A. Scott, et al.
Materials Research Bulletin