Publications

For statistics please refer to Google Scholar

Works at Cornell and MIT

[1] L. Q. Liu*, C.-F. Pai*, Y. Li, H. W. Tseng, D. C. Ralph, and R. A. Buhrman, “Spin-torque switching with the giant spin Hall effect of tantalum,” Science 336, 555 (2012).

*These authors contributed equally to this work.

 

[2] C.-F. Pai, L. Q. Liu, Y. Li, H. W. Tseng, D. C. Ralph, and R. A. Buhrman, “Spin transfer torque devices utilizing the giant spin Hall effect of tungsten,” Applied Physics Letters 101, 124404 (2012).

 

[3] L. Q. Liu, C.-F. Pai, D. C. Ralph, and R. A. Buhrman, “Magnetic oscillations driven by the spin Hall effect in 3-terminal magnetic tunnel junction devices,” Physical Review Letters 109, 186602 (2012).

 

[4] L. Q. Liu, C.-F. Pai, D. C. Ralph, and R. A. Buhrman, “Gate voltage modulation of spin-Hall-torque-driven magnetic switching,” arXiv:1209.0962 (2012).

 

[5] K. An, D. R. Birt, C.-F. Pai, K. Olsson, D. C. Ralph, R. A. Buhrman, and X. Li, “Control of propagating spin waves via spin transfer torque in a metallic bilayer waveguide,” Physical Review B 89, 140405(R) (2014). (Rapid Communication)

 

[6] O. J. Lee, L. Q. Liu, C.-F. Pai, Y. Li, H. W. Tseng, P. G. Gowtham, J. Park, D. C. Ralph, and Robert A. Buhrman, “The central role of domain wall depinning for perpendicular magnetization switching driven by spin torque from the spin Hall effect,” Physical Review B 89, 024418 (2014). (Editor's Suggestion)

 

[7] C.-F. Pai, M.-H. Nguyen, C. Belvin, L. H. V.-Leão, D. C. Ralph, and R. A. Buhrman, “Enhancement of perpendicular magnetic anisotropy and transmission of spin-Hall-effect-induced spin currents by a Hf spacer layer in W/Hf/CoFeB/MgO layer structures,” Applied Physics Letters 104, 082407 (2014).

 

[8] C.-F. Pai*, Yongxi Ou*, L. H. V.-Leão, D. C. Ralph, and R. A. Buhrman, “Dependence of the Efficiency of Spin Hall Torque on the Transparency of Pt-Ferromagnetic Layer Interfaces,” Physical Review B 92, 064426 (2015). (Editor's Suggestion)

*These authors contributed equally to this work.

 

[9] M.-H. Nguyen, C.-F. Pai, K. X. Nguyen, D. A. Muller, D. C. Ralph, and R. A. Buhrman, “Enhancement of the anti-damping spin torque efficacy of the spin Hall effect in Pt by interface modification,” Applied Physics Letters 106, 222402 (2015).

 

[10] K. An, X. Ma, C.-F. Pai, J. Yang, K. S. Olsson, J. L. Erskine, D. C. Ralph, R. A. Buhrman, X. Li, “Current Control of Magnetic Anisotropy via Stress in a Ferromagnetic Metal Waveguide,” arXiv:1601.02048 (2016).

 

[11] C.-F. Pai, M. Mann, A. J. Tan, G. S. D. Beach, “Determination of the Spin-Hall-Effect-Induced and the Wedged-Structure-Induced Spin Torque Efficiencies in Heterostructures with Perpendicular Magnetic Anisotropy,” arXiv:1601.05854 (2016).

Patents

[1] “Spin hall effect magnetic apparatus, method and applications”: US9105832B2 (Issued: August 11, 2015). Inventors: Robert A. Buhrman, Daniel C. Ralph, Luqiao Liu, Chi-Feng Pai.

 

[2] “Electrically gated three-terminal circuits and devices based on spin hall torque effects in magnetic nanostructures apparatus, methods and applications”: US9230626B2 (Issued: January 5, 2016). Inventors: Robert A. Buhrman, Daniel C. Ralph, Chi-Feng Pai, Luqiao Liu.

 

© 2016 Pai Research Lab