G. Giovannetti, A. Stroppa, S. Picozzi, D. Baldomir, V. Pardo, S. Blanco- Canosa, F. Rivadulla, S. Jodlauk, D. Niermann, J. Rohrkamp, T. Lorenz, S. Streltsov, D. I. Khomskii, J. Hemberger
Dielectric properties and magnetostriction of the collinear multiferroic spinel CdV2O4",
Physical Review B, 83, 060402 (2011)