"Y. Shirahata,T. Nozaki,G. Venkataiah,H. Taniguchi,M. Itoh,T. Taniyama","Switching of the symmetry of magnetic anisotropy in Fe/BaTiO3 heterostructures",,"Appl. Phys. Lett.",,"vol. 99","No. 2","pp. 022501 1-3",2011,July