Current-dependent linewidth of a spin-transfer nano-oscillator

Journal of Magnetism and Magnetic Materials

Volumn 321, Issue 8, 2009, Pages 990-995

  Sato, R ^a   Saito, Y ^a   Mizushima, K ^a  

^a TOSHIBA CORPORATION   (Japan)

Author keywords

Linewidth; Oscillator; Phase noise; Spin torque; Spin transfer

Indexed keywords

ASTROPHYSICS; DOPPLER EFFECT; LINEWIDTH; PHASE NOISE;

DEMAGNETIZING FIELDS; EXTERNAL FIELDS; FREE LAYERS; LINEAR THEORIES; NANO CONTACTS; NANO OSCILLATORS; OSCILLATION FREQUENCIES; OSCILLATOR; PEAK FREQUENCIES; POWER-SPECTRA; RED SHIFTS; SPIN TORQUE; SPIN TRANSFER;

SPIN DYNAMICS;

EID: 61649110253     PISSN: 03048853     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jmmm.2008.03.011     Document Type: Article

References (26)

1. Kiselev S.I., Sankey J.C., Krivorotov I.N., Emley N.C., Garcia A.G.F., Schoelkopt R.J., Buhrman R.A., and Ralph D.C. Nature 425 (2004) 308
2. Kiselev S.I., Sankey J.C., Krivorotov I.N., Emley N.C., Rinkoski M., Perez C., and Ralph D.C. Phys. Rev. Lett. 93 (2004) 036601
3. Fuchs G.D., Emley N.C., Krivorotov I.N., Braganca P.M., Ryan E.M., Kiselev S.I., Sankey J.C., Ralph D.C., Buhrman R.A., and Katine J.A. Appl. Phys. Lett. 85 (2004) 1205
4. Rippard W.H., Pufall M.R., Kaka S., Silva T.J., and Russek S.E. Phys. Rev. Lett. 92 (2004) 027201
5. Krivorotov I.N., Emley N.C., Sankey J.C., Kiselev S.I., Ralph D.C., and Buhrman R.A. Science 307 (2005) 228
6. Kiselev S.I., Sankey J.C., Krivorotov I.N., Emley N.C., Garcia A.G.F., Buhrman R.A., and Ralph D.C. Phys. Rev. B 72 (2005) 064430
7. Rippard W.H., Pufall M.R., Kaka S., Silva T.J., Russek S.E., and Katine J.A. Phys. Rev. Lett. 95 (2005) 067203
8. Pufall M.R., Rippard W.H., Silva T.J., Russek S.E., and Katine J.A. Nature 437 (2005) 389
9. Mancoff F.B., Rizzo N.D., Engle B.N., and Tehrani S. Nature 437 (2005) 393
10. Grollier J., Cros V., and Fert A. Phys. Rev. B 73 (2006) 060409R
11. Pufall M.R., Rippard W.H., and Russek S.E. Phys. Rev. Lett. 97 (2006) 087206
12. Mistral Q., Kim K., Devolder T., Crozat P., Chappert C., Katine J., Carey M., and Ito K. Appl. Phys. Lett. 88 (2006) 192507
13. Rippard W.H., Pufall M.R., and Russek S.E. Phys. Rev. B 74 (2006) 224409
14. Slavin A.N., and Kabos P. IEEE Trans. Magn. 41 (2005) 1264
15. Rezende S.M., de Aguiar F.M., and Azevedo A. Phys. Rev. Lett. 94 (2005) 037202
16. Kim J.-V. Phys. Rev. B 73 (2006) 174412
17. Mizushima K., Kudo K., and Sato R. J. Appl. Phys. 101 (2007) 113903
18. Mizushima K., Kudo K., and Sato R. J. Magn. Magn. Mater. 316 (2007) e960
19. Stutzke N., Burkett S.L., and Russek S.E. Appl. Phys. Lett. 82 (2003) 91
20. Leeson D.B. Proc. IEEE 54 (1966) 329
21. Cutler L.S., and Searle C.L. Proc. IEEE 54 (1966) 136
22. Smith N. J. Appl. Phys. 90 (2001) 5768
23. The expressions of the output spectra in Refs. [17,18] are only valid in the feedback bandwidth shown in Fig. 4 and do not include the magnetic white noise at lower frequencies.
24. Slonczewski J.C. J. Magn. Magn. Mater. 159 (1996) L1
25. Slonczewski J.C. Phys. Rev. B 71 (2005) 024411
26. Theodonis I., Kioussis N., Kalitsov A., Chshiv M., and Butler W.H. Phys. Rev. Lett. 97 (2006) 237205