Effect of interface roughness on exchange coupling in synthetic antiferromagnetic multilayers

M. Desai, A. Misra, W.D. Doyle
2005 INTERMAG Asia 2005. Digests of the IEEE International Magnetics Conference, 2005.  
Acknowledgement Made use of NSF MRSEC shared facilities from Grant # DMR-0213985 Center for Materials for Information Technology an NSF Materials Science and Engineering Center 1 cos J θ 2 1 2 cos cos J J θ θ + Bilinear Exchange Bilinear+Biquadratic Exchange Intrinsic Models: (Erickson et al. 1 , Edwards et al. 2 , Barnas et al. 3 , Spisak et al. 4 ); Generally |J 2 | << |J 1 | Exchange Models: •Atomic steps in the spacer layer (Slonczewski 5 ) •"Loose spin" impurities in the spacer layer
more » ... spacer layer (Slonczewski 6 ) •Surface roughness (Demokritov et al. 7 ) •Pinholes (Bobo et al. 8 )
doi:10.1109/intmag.2005.1464091 fatcat:mgolq2bw2fcgbm3qbjo5mvzixm