Apparent Young's modulus in PMN-PT electrostrictive ceramics J. Scortesse, J. F. Manceau, F. Bastien, M. Lejeune, S. Kurutcharry and M. Oudjedi Eur. Phys. J. AP, 14 3 (2001) 155-158 Published online: 15 June 2001 DOI: 10.1051/epjap:2001153