Structural anomalies at the magnetic transition in centrosymmetric
E. Montanari, G. Calestani, L. Righi, E. Gilioli, F. Bolzoni, K. S. Knight, and P. G. Radaelli
Phys. Rev. B 75, 220101(R) (2007) - Published 28 June, 2007
Raman and infrared spectra of multiferroic bismuth ferrite from first principles
P. Hermet, M. Goffinet, J. Kreisel, and Ph. Ghosez
Phys. Rev. B 75, 220102(R) (2007) - Published 29 June, 2007