Tunnel Junctions With Yttrium Oxide Barrier and Various Ferromagnetic Electrodes Dimopoulos, T. ; Gieres, G. ; Colis, S. ; Lopez, R. ; Vieth, M. ; Wecker, J. ; Luo, Y. ; Samwer, K. Abstract Publication: IEEE Transactions on Magnetics Pub Date: July 2004 DOI: 10.1109/TMAG.2004.829282 Bibcode: 2004ITM....40.2296D