Decoherence, mode hopping, and mode coupling in spin torque oscillators

IEEE Transactions on Magnetics

Volumn 49, Issue 7, 2013, Pages 4398-4404

  Heinonen, O G ^a,b   Muduli, P K ^c,d   Iacocca, E ^c   Akerman J ^c,e  

^a ARGONNE NATIONAL LABORATORY   (United States)

^b NORTHWESTERN UNIVERSITY   (United States)

^c UNIVERSITY OF GOTHENBURG   (Sweden)

^d INDIAN INSTITUTE OF TECHNOLOGY DELHI   (India)

^e ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

Author keywords

Magnetoresistive devices; microwave oscillators; spin polarized transport; spin valves; tunneling magnetoresistance

Indexed keywords

MAGNETIC TUNNEL JUNCTION; MAGNETORESISTIVE DEVICES; NON-MONOTONIC FUNCTION; SPIN POLARIZED TRANSPORT; SPIN VALVE; SPIN-TORQUE OSCILLATORS; THERMAL FLUCTUATIONS; TUNNELING MAGNETORESISTANCE;

MAGNETORESISTANCE; MICROWAVE OSCILLATORS; QUANTUM THEORY;

MAGNETIC DEVICES;

EID: 84880781527     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2013.2242866     Document Type: Article

References (37)

1. J. C. Slonczewski, "Current-driven excitation of magnetic multi layers," J. Magn. Magn. Mater., vol. 159, pp. L1-L7, Jun. 1996. (Pubitemid 126356952)
2. L. Berger, "Emission of spin waves by a magnetic multilayer traversed by a current," Phys. Rev. B, vol. 54, pp. 9353-9358, Oct. 1996.
3. M. Tsoi, A. G. M. Jansen, J. Bass, W.-C. Chiang, M. Seck, V. Tsoi, and P. Wyder, "Excitation of a magnetic multilayer by an electric current," Phys. Rev. Lett., vol. 80, pp. 4281-4284, May 1998. (Pubitemid 128621902)
4. M. Tsoi, A. G. M. Jansen, J. Bass, W.-C. Chiang, V. Tsoi, and P. Wyder, "Generation and detection of phase-coherent current-driven magnons in magnetic multilayers," Nature, vol. 406, pp. 46-48, Jul. 2000. (Pubitemid 30460203)
5. S. I. Kiselev, J. C. Sankey, I. N. Krivorotov, N. C. Emley, R. J. Schoelkopf, R. A. Buhrman, and D. C. Ralph, "Microwave oscillations of a nanomagnet driven by a spin-polarized current," Nature, vol. 425, pp. 380-383, Sep. 2009.
6. D. C. Ralph and M. D. Stiles, "Spin transfer torques," J. Magn. Magn. Mater., vol. 320, pp. 1190-1216, Apr. 2008.
7. J. Z. Sun and D. C. Ralph, "Magnetoresistance and spin-transfer torque in magnetic tunnel junctions," J. Magn. Magn. Mater., vol. 320, pp. 1227-1237, Apr. 2008.
8. T. J. Silva and W. H. Rippard, "Developments in nano-oscillators based upon spin-transfer point-contact devices," J. Magn. Magn. Mater., vol. 320, pp. 1260-1271, Apr. 2008.
9. W. H. Rippard, M. R. Pufall, S. Kaka, T. J. Silva, and S. E. Russek, "Current-driven microwave dynamics in magnetic point contacts as a function of applied field angle," Phys. Rev. B, vol. 70, no. 10, p. 100406, Sep. 2004.
10. S. Bonetti, P. Muduli, F. Mancoff, and J. Åkerman, "Spin torque oscillator frequency versus magnetic field angle: The prospect of operation beyond 65 GHz," Appl. Phys. Lett., vol. 94, no. 10, p. 102507, Mar. 2009.
11. P. K. Muduli, O. G. Heinonen, and J. Åkerman, "Intrinsic frequency doubling in a magnetic tunnel junction-based spin torque oscillator," J. Appl. Phys., vol. 110, no. 7, p. 076102, May 2011.
12. S. Bonetti, V. Tiberkevich, G. Consolo, G. Finocchio, P. Muduli, F. Mancoff, A. Slavin, and J. Åkerman, "Experimental evidence of self-localized and propagating spin wave modes in obliquely magnetized current-driven nanocontacts," Phys. Rev. Lett., vol. 105, no. 21, p. 217204, Nov. 2010.
13. V. E. Demidov, S. Urazhdin, and S. O. Demokritov, "Direct observation and mapping of spin waves emitted by spin-torque nano-oscilla-tors," Nat. Mater., vol. 9, pp. 984-988, Dec. 2010.
14. M. Madami, S. Bonetti, G. Consolo, S. Tacchi, G. Carlotti, G. Gub-biotti, F. B. Mancoff, M. A. Yar, and J. Åkerman, "Direct observation of a propagating spin wave induced by spin-transfer torque," Nat. Nan-otechnol., vol. 6, pp. 635-638, Oct. 2011.
15. M. R. Pufall, W. H. Rippard, S. Kaka, T. J. Silva, and S. E. Russek, "Frequency modulation of spin-transfer oscillators," Appl. Phys. Lett., vol. 86, no. 8, p. 082506, Feb. 2005.
16. M. Manfrini, T. Devolder, J.-V. Kim, P. Crozat, N. Zerounian, C. Chap-pert, W. van Roy, L. Lagae, G. Hrkac, and T. Schrefl, "Agility of vortex-based nanocontact spin torque oscillators," Appl. Phys. Lett., vol. 95, no. 19, p. 192507, Nov. 2009.
17. P. K. Muduli, Y. Pogoryelov, S. Bonetti, G. Consolo, F. Mancoff, and J. Åkerman, "Nonlinear frequency and amplitude modulation of a nanocontact-based spin-torque oscillator," Phys. Rev. B, vol. 81, no. 14, p. 140408, Apr. 2010.
18. P. K. Muduli, Y. Pogoryelov, Y. Zhou, F. Mancoff, and J. Åkerman, "Spin torque oscillators and rf currents-modulation, locking, and ringing," Integr. Ferroelectr., vol. 125, no. 1, pp. 147-154, 2011.
19. Y. Pogoryelov, P. K. Muduli, S. Bonetti, F. Mancoff, and J. Åkerman, "Spin-torque oscillator linewidth narrowing under current modulation," Appl. Phys. Lett., vol. 98, no. 19, p. 192506, May 2011.
20. Y. Pogoryelov, P. K. Muduli, S. Bonetti, E. Iacocca, F. Mancoff, and J. Åkerman, "Frequency modulation of spin torque oscillator pairs," Appl. Phys. Lett., vol. 98, no. 19, p. 192501, May 2011.
21. M. Manfrini, T. Devolder, J.-V. Kim, P. Crozat, C. Chappert, W. van Roy, and L. Lagae, "Frequency shift keying in vortex-based spin torque oscillators," J. Appl. Phys., vol. 109, no. 8, p. 083940, Apr. 2011.
22. P. K. Muduli, Y. Pogoryelov, F. Mancoff, and J. Åkerman, "Modulation of individual and mutually synchronized nanocontact-based spin torque oscillators," IEEE Trans. Magn., vol. 47, pp. 1575-1579, June 2011.
23. P. K. Muduli, Y. Pogoryelov, G. Consolo, F. Mancoff, and J. Åkerman, "Modulation of single and double spin torque oscillators," in AIP Conf. Proc., 2011, vol. 1347, no. 1, pp. 318-321 [Online]. Available: http://link.aip.org/link/?APC/1347/318/1
24. P. Villard, U. Ebels, D. Houssameddine, J. Katine, D. Mauri, B. Delaet, P. Vincent, M.-C. Cyrille, B. Viala, J.-P. Michel, J. Prouvee, and F. Badets, "A GHz spintronic-based RF oscillator," IEEE J. Solid-State Circuits, vol. 45, no. 1, pp. 214-223, Jan. 2010.
25. J. Åkerman, "Toward a universal memory," Science vol. 308, p. 508, 2005 [Online]. Available: http://www.sciencemag.org/cgi/reprint/ sci;308/5721/508.pdf
26. J.-V. Kim, "Stochastic theory of spin-transfer oscillator linewidths," Phys. Rev. B, vol. 73, no. 17, p. 174412, May 2006.
27. J.-V. Kim, V. Tiberkevich, and A. N. Slavin, "Generation linewidth of an auto-oscillator with a nonlinear frequency shift: Spin-torque nano-oscillator," Phys. Rev. Lett., vol. 100, p. 017207, Jan. 2008.
28. J. Kim, Q. Mistral, C. Chappert, V. S. Tiberkevich, and A. N. Slavin, "Line shape distortion in a nonlinear auto-oscillator near generation threshold: Application to spin-torque nano-oscillators," Phys. Rev. Lett., vol. 100, p. 167201, Apr. 2008.
29. V. S. Tiberkevich, A. N. Slavin, and J.-V. Kim, "Temperature dependence of nonlinear auto-oscillator linewidths: Application to spin-torque nano-oscillators," Phys. Rev. B, vol. 78, no. 9, p. 092401, Sep. 2008.
30. A. Slavin and V. Tiberkevich, "Nonlinear auto-oscillator theory of microwave generation by spin-polarized current," IEEE Trans. Magn., vol. 45, no. 4, pp. 1875-1918, April 2009.
31. P. K. Muduli, O. G. Heinonen, and J. Åkerman, "Temperature dependence of linewidth in nano-contact based spin torque oscillators: Effect of multiple oscillatory modes," Phys. Rev. B, vol. 86, p. 174408, 2012.
32. P. K. Muduli, O. G. Heinonen, and J. Åkerman, "Decoherence and mode hopping in a magnetic tunnel junction based spin torque oscillator," Phys. Rev. Lett., vol. 108, p. 207203, May 2012 [Online]. Available: http://link.aps.org/doi/10.1103/PhysRevLett.108.207203
33. P. K. Muduli, O. G. Heinonen, and J. Åkerman, "Bias dependence of perpendicular spin torque and of free-and fixed-layer eigenmodes in MgO-based nanopillars," Phys. Rev. B, vol. 83, no. 18, p. 184410, May 2011.
34. F. B. Mancoff, N. D. Rizzo, B. N. Engel, and S. Tehrani, "Area dependence of high-frequency spin-transfer resonance in giant magnetoresistance contacts up to 300 nm diameter," Appl. Phys. Lett., vol. 88, no. 11, p. 112507, Mar. 2006.
35. M. Sorel, J. Laybourn, A. Sciré, S. Balle, G. Giuliani, R. Miglierina, and S. Donati, "Alternate oscillations in semiconductor ring lasers," Opt. Lett., vol. 27, p. 1992, 2002.
36. G. van der Sande, L. Gelens, P. Tassin, J. Scirè, and A. aand Danckaert, "Two-dimensional phase-space analysis and bifurcation study of the dynamical behaviour of a semiconductor ring laser," J. Phys. B: At. Mol. Opt. Phys., vol. 41, p. 095402, 2008.
37. S. Beri, L. Gelens, M. Mestre, G. van der Sande, G. Verschaffelt, G. Scirè, G. Mezosi, M. Sorel, and J. Danckaert, "Topological insight into the non-Arrhenius mode hopping of semiconductor ring lasers," Phys. Rev. Lett., vol. 101, p. 093903, 2008.