Magnetoelectric gradiometer V. Bedekar, R. A. Islam, H. Kim, M. I. Bichurin, S. N. Ivanov, Y. J. Pukinski and S. Priya Eur. Phys. J. B, 71 3 (2009) 387-392 Published online: 11 August 2009 DOI: 10.1140/epjb/e2009-00275-3