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

Volumn 104, Issue 8, 2014, Pages

  Pai, Chi Feng ^a   Nguyen, Minh Hai ^a   Belvin, Carina ^b   Vilela Leão, Luis Henrique ^a   Ralph, D C ^a,c   Buhrman, R A ^a  

^a Department of Obstetrics Gynecology   (United States)

^b WELLESLEY COLLEGE   (United States)

^c Cornell University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COBALT COMPOUNDS; CRYSTAL SYMMETRY; HAFNIUM; IRON COMPOUNDS; MAGNETIC ANISOTROPY; SHIMS; SPIN HALL EFFECT; TRANSMISSIONS;

CURRENT-DRIVEN; FERROMAGNETIC LAYERS; LAYER STRUCTURES; MAGNETIC SWITCHING; MULTILAYER STRUCTURES; PERPENDICULAR MAGNETIC ANISOTROPY; SPACER LAYER; SPIN CURRENTS;

BORON COMPOUNDS;

EID: 84896769857     PISSN: 00036951     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.4866965     Document Type: Article

References (31)

1. S. Ikeda, K. Miura, H. Yamamoto, K. Mizunuma, H. D. Gan, M. Endo, S. Kanai, J. Hayakawa, F. Matsukura, and H. Ohno, Nature Mater. 9, 721 (2010). 10.1038/nmat2804
2. M. I. Dyakonov and V. I. Perel, Phys. Lett. A 35, 459 (1971). 10.1016/0375-9601(71)90196-4
3. J. E. Hirsch, Phys. Rev. Lett. 83, 1834 (1999). 10.1103/PhysRevLett.83. 1834
4. S. F. Zhang, Phys. Rev. Lett. 85, 393 (2000). 10.1103/PhysRevLett.85.393
5. I. M. Miron, K. Garello, G. Gaudin, P. J. Zermatten, M. V. Costache, S. Auffret, S. Bandiera, B. Rodmacq, A. Schuhl, and P. Gambardella, Nature 476, 189 (2011). 10.1038/nature10309
6. L. Q. Liu, O. J. Lee, T. J. Gudmundsen, D. C. Ralph, and R. A. Buhrman, Phys. Rev. Lett. 109, 096602 (2012). 10.1103/PhysRevLett.109.096602
7. L. Q. Liu, C.-F. Pai, Y. Li, H. W. Tseng, D. C. Ralph, and R. A. Buhrman, Science 336, 555 (2012). 10.1126/science.1218197
8. C.-F. Pai, L. Q. Liu, Y. Li, H. W. Tseng, D. C. Ralph, and R. A. Buhrman, Appl. Phys. Lett. 101, 122404 (2012). 10.1063/1.4753947
9. V. E. Demidov, S. Urazhdin, H. Ulrichs, V. Tiberkevich, A. Slavin, D. Baither, G. Schmitz, and S. O. Demokritov, Nature Mater. 11, 1028 (2012). 10.1038/nmat3459
10. L. Q. Liu, C.-F. Pai, D. C. Ralph, and R. A. Buhrman, Phys. Rev. Lett. 109, 186602 (2012). 10.1103/PhysRevLett.109.186602
11. P. P. J. Haazen, E. Mure, J. H. Franken, R. Lavrijsen, H. J. M. Swagten, and B. Koopmans, Nature Mater. 12, 299 (2013). 10.1038/nmat3553
12. S. Emori, U. Bauer, S. M. Ahn, E. Martinez, and G. S. D. Beach, Nature Mater. 12, 611 (2013). 10.1038/nmat3675
13. K. S. Ryu, L. Thomas, S. H. Yang, and S. Parkin, Nat. Nanotechnol. 8, 527 (2013). 10.1038/nnano.2013.102
14. T. Liu, J. W. Cai, and L. Sun, AIP Adv. 2, 032151 (2012). 10.1063/1.4748337
15. J. Sinha, M. Hayashi, A. J. Kellock, S. Fukami, M. Yamanouchi, H. Sato, S. Ikeda, S. Mitani, S. H. Yang, S. S. P. Parkin, and H. Ohno, Appl. Phys. Lett. 102, 242405 (2013). 10.1063/1.4811269
16. D. C. Worledge, G. Hu, D. W. Abraham, J. Z. Sun, P. L. Trouilloud, J. Nowak, S. Brown, M. C. Gaidis, E. J. O'Sullivan, and R. P. Robertazzi, Appl. Phys. Lett. 98, 022501 (2011). 10.1063/1.3536482
17. M. T. Johnson, P. J. H. Bloemen, F. J. A. denBroeder, and J. J. deVries, Rep. Prog. Phys. 59, 1409 (1996). 10.1088/0034-4885/59/11/002
18. R. C. O'Handley, Phys. Rev. B 18, 930 (1978). 10.1103/PhysRevB.18.930
19. D. W. Hoffman and J. A. Thornton, Thin Solid Films 45, 387 (1977). 10.1016/0040-6090(77)90276-0
20. A. K. Niessen and F. R. Deboer, J. Less-Common Met. 82, 75 (1981). 10.1016/0022-5088(81)90200-9
21. A. T. Hindmarch, V. Harnchana, A. S. Walton, A. P. Brown, R. M. D. Brydson, and C. H. Marrows, Appl. Phys. Express 4, 013002 (2011). 10.1143/APEX.4.013002
22. U. H. Pi, K. W. Kim, J. Y. Bae, S. C. Lee, Y. J. Cho, K. S. Kim, and S. Seo, Appl. Phys. Lett. 97, 162507 (2010). 10.1063/1.3502596
23. J. Kim, J. Sinha, M. Hayashi, M. Yamanouchi, S. Fukami, T. Suzuki, S. Mitani, and H. Ohno, Nature Mater. 12, 240 (2013). 10.1038/nmat3522
24. K. Garello, I. M. Miron, C. O. Avci, F. Freimuth, Y. Mokrousov, S. Blugel, S. Auffret, O. Boulle, G. Gaudin, and P. Gambardella, Nat. Nanotechnol. 8, 587 (2013). 10.1038/nnano.2013.145
25. M. Hayashi, e-print arXiv:1307.5603.
26. A. V. Khvalkovskiy, V. Cros, D. Apalkov, V. Nikitin, M. Krounbi, K. A. Zvezdin, A. Anane, J. Grollier, and A. Fert, Phys. Rev. B 87, 020402 (2013). 10.1103/PhysRevB.87.020402
27. X. Fan, J. Wu, Y. P. Chen, M. J. Jerry, H. W. Zhang, and J. Q. Xiao, Nat. Commun. 4, 1799 (2013). 10.1038/ncomms2709
28. Y. T. Chen, S. Takahashi, H. Nakayama, M. Althammer, S. T. B. Goennenwein, E. Saitoh, and G. E. W. Bauer, Phys. Rev. B 87, 144411 (2013). 10.1103/PhysRevB.87.144411
29. P. M. Haney, H. W. Lee, K. J. Lee, A. Manchon, and M. D. Stiles, Phys. Rev. B 87, 174411 (2013). 10.1103/PhysRevB.87.174411
30. O. J. Lee, L. Q. Liu, C.-F. Pai, H. W. Tseng, Y. Li, D. C. Ralph, and R. A. Buhrman, Phys. Rev. B 89, 024418 (2014). 10.1103/PhysRevB.89.024418
31. I. M. Miron, G. Gaudin, S. Auffret, B. Rodmacq, A. Schuhl, S. Pizzini, J. Vogel, and P. Gambardella, Nature Mater. 9, 230 (2010). 10.1038/nmat2613