机译:Electric field control of phonon properties in multiferroic BiFeO3 and hexagonal RMnO3
Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia 1784, Bulgaria.;
Univ Sofia, Dept Phys, Sofia 1164, Bulgaria.;
Multiferroics; Phonon properties; Electric field control; Green's; function method;