Y. M. Lee, J. Hayakawa, S. Ikeda, F. Matsukura, and H. Ohno, Giant tunnel magnetoresistance and high annealing stability in CoFeB???MgO???CoFeB magnetic tunnel junctions with synthetic pinned layer, Applied Physics Letters, vol.99, issue.4, p.42506, 2006.
DOI : 10.1063/1.1357129

URL : http://arxiv.org/pdf/cond-mat/0606503

S. Yuasa and D. D. Djayaprawira, Giant tunnel magnetoresistance in magnetic tunnel junctions with a crystalline MgO(0???0???1) barrier, Journal of Physics D: Applied Physics, vol.40, issue.21, p.337, 2007.
DOI : 10.1088/0022-3727/40/21/R01