Buhrman Research Group

Nanomagnetism and Spintronics

About Our Research

Since mid-1990s the majority of Buhrman’s research activities have been in spintronics and thin film nanomagnetism. Contributions in this area include the pioneering, definitive demonstration of reversible spin transfer torque switching of thin film nanomagnets[i], the ability of spin transfer torque to excite nanoscale magnetic structures, including magnetic vortices[ii], into persistent microwave precession, and the early demonstration that spin torque can be successfully utilized with magnetic tunnel junctions[iii], despite the rather high tunnel current densities that are required.  These works played a seminal role in the initiation of the current worldwide industrial effort to realize a new high performance… Read more about our research

Robert Buhrman

Featured article “Capitalizing on the Magnetic Moment

Recent & Notable Publications

Spin torque switching with the giant spin Hall effect of tantalum

“Spin torque switching with the giant spin Hall effect of tantalum.” L. Q. Liu, C.-F. Pai, Y. Li, H. W. Tseng, D. C. Ralph, and R. A. Buhrman.  Science 336, 555 (2012). https://doi.org/10.1126/science.1218197

Dependence of the efficiency of spin Hall torque on the transparency of Pt/ferromagnetic layer interfaces

“Dependence of the efficiency of spin Hall torque on the transparency of Pt/ferromagnetic layer interfaces.” C.-F. Pai, Y. Ou, L. H. Vilela-Leao, D. C. Ralph, and R. A. Buhrman, Physical Review B 92, 064426 (2015). https://doi.org/10.1103/PhysRevB.92.064426

Central role of domain wall depinning for perpendicular magnetization switching driven by spin torque from the spin Hall effect

“Central role of domain wall depinning for perpendicular magnetization switching driven by spin torque from the spin Hall effect.” O. J. Lee, L. Q. Liu, C. F. Pai, Y. Li, H. W. Tseng, P. G. Gowtham, J. P. Park, D. C. Ralph, R. A. Buhrman, Phys Rev B 89, (Jan 28, 2014).https://doi.org/10.1103/PhysRevB.89.024418

Latest News

Come Celebrate with Us!

Come Celebrate with Us! Buhrman: The First 50 Years at Cornell A Symposium Celebrating the Research of Professor Robert Buhrman Saturday, October 14,...

Yongxi Ou presents invited talk

Yongxi Ou presents invited talk on “Fast, efficient and reliable spin-orbit switching of W-based three terminal magnetic tunnels,” at: The 3rd (ImPACT) International Symposium on Spintronic Memory, Circuit and Storage, Sendai Japan, Sept. 23-25,...

Congratulations Graham and Everyone

Congratulations to Graham and everyone, on publication of our paper “Nanosecond magnetization dynamics during spin Hall switching of in-plane magnetic tunnel junctions,” G.E. Rowlands, S..V. Aradhya, S. Shi, E. H. Yandel, J. Oh, D. C. Ralph, R. A. Buhrman, Applied...