Nano-contact spin-torque oscillators as magnonic building blocks

Topics in Applied Physics

Volumn 125, Issue , 2013, Pages 177-187

  Bonetti, Stefano ^c   Åkerman, Johan ^a,b  

^a UNIVERSITY OF GOTHENBURG   (Sweden)

^b ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

^c STANFORD UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84879139114     PISSN: 03034216     EISSN: 14370859     Source Type: Book Series    
DOI: 10.1007/978-3-642-30247-3_13     Document Type: Article

References (48)

1. V.V. Kruglyak, S.O. Demokritov, D. Grundler, Magnonics. J. Phys. D, Appl. Phys. 43(26), 260301 (2010)
2. F. Bloch, Zur theorie des ferromagnetismus. Z. Phys. 61(3-4), 206-219 (1930)
3. S. Neusser, D. Grundler, Magnonics: spin waves on the nanoscale. Adv. Mater. 21, 2927-2932 (2009)
4. S.A. Nikitov, P. Tailhades, C.S. Tsai, Spin waves in periodic magnetic structures-magnonic crystals. J. Magn. Magn. Mater. 236(3), 320-330 (2001)
5. Y.K. Fetisov, C.E. Patton, Microwave bistability in a magnetostatic wave interferometer with external feedback. IEEE Trans. Magn. 35(2), 1024-1036 (1999)
6. S. Tacchi, M. Madami, G. Gubbiotti, G. Carlotti, A.O. Adeyeye, S. Neusser, B. Botters, D. Grundler, Magnetic normal modes in squared antidot array with circular holes: a combined Brillouin light scattering and broadband ferromagnetic resonance study. IEEE Trans. Magn. 46(2), 172-178 (2010)
7. M.J. Pechan, C. Yu, R.L. Compton, J.P. Park, P.A. Crowell, Direct measurement of spatially localized ferromagnetic-resonance modes in an antidot lattice (invited). J. Appl. Phys. 97(10), 10J903 (2005)
8. J. Slonczewski, Current-driven excitation of magnetic multilayers. J. Magn. Magn. Mater. 159(1-2), L1-L7 (1996)
9. L. Berger, Emission of spin waves by a magnetic multilayer traversed by a current. Phys. Rev. B 54(13), 9353-9358 (1996)
10. M. Tsoi, A.G.M. Jansen, J. Bass, W.-C. Chiang, M. Seck, V. Tsoi, P. Wyder, Excitation of a magnetic multilayer by an electric current. Phys. Rev. Lett. 80(19), 4281-4284 (1998)
11. M. Tsoi, A.G. Jansen, J. Bass, W.C. Chiang, V. Tsoi, P. Wyder, Generation and detection of phase-coherent current-driven magnons in magnetic multilayers. Nature 406(6791), 46-48 (2000)
12. W. Rippard, M. Pufall, S. Kaka, S. Russek, T. Silva, Direct-current induced dynamics in Co90Fe10/Ni80Fe20 point contacts. Phys. Rev. Lett. 92(2), 027201 (2004)
13. S.I. Kiselev, J.C. Sankey, I.N. Krivorotov, N.C. Emley, R.J. Schoelkopf, R.A. Buhrman, D.C. Ralph, Microwave oscillations of a nanomagnet driven by a spin-polarized current. Nature 425(6956), 380-383 (2003)
14. F.B. Mancoff, N.D. Rizzo, B.N. Engel, S. Tehrani, Phase-locking in double-point-contact spin-transfer devices. Nature 437(7057), 393-395 (2005)
15. S. Bonetti, Magnetization dynamics in nano-contact spin torque oscillators. Ph.D. thesis, Kungliga Tekniska Högskolan, The Royal Institute of Technology, Stockholm, Sweden (2010)
16. J. Slonczewski, Excitation of spin waves by an electric current. J. Magn. Magn. Mater. 195(2), 261-268 (1999)
17. W.H. Rippard, M.R. Pufall, T.J. Silva, Quantitative studies of spin-momentum-transfer-induced excitations in co/cu multilayer films using point-contact spectroscopy. Appl. Phys. Lett. 82(8), 1260-1262 (2003)
18. A. Slavin, V. Tiberkevich, Spin wave mode excited by spin-polarized current in a magnetic nanocontact is a standing self-localized wave bullet. Phys. Rev. Lett. 95(23), 237201 (2005)
19. D. Berkov, N. Gorn, Magnetization oscillations induced by a spin-polarized current in a point-contact geometry: mode hopping and nonlinear damping effects. Phys. Rev. B 76(14), 144414 (2007)
20. D. Berkov, J. Miltat, Spin-torque driven magnetization dynamics: micromagnetic modeling. J. Magn. Magn. Mater. 320(7), 1238-1259 (2008)
21. G. Consolo, B. Azzerboni, L. Lopez-Diaz, G. Gerhart, E. Bankowski, V. Tiberkevich, A. Slavin, Micromagnetic study of the above-threshold generation regime in a spin-torque oscillator based on a magnetic nanocontact magnetized at an arbitrary angle. Phys. Rev. B 78(1), 014420 (2008)
22. G. Consolo, B. Azzerboni, G. Gerhart, G. Melkov, V. Tiberkevich, A. Slavin, Excitation of self-localized spin-wave bullets by spin-polarized current in in-plane magnetized magnetic nanocontacts: a micromagnetic study. Phys. Rev. B 76(14), 144410 (2007)
23. W. Rippard, M. Pufall, S. Kaka, T. Silva, S. Russek, Current-driven microwave dynamics in magnetic point contacts as a function of applied field angle. Phys. Rev. B 70(10), 100406(R) (2004)
24. S. Bonetti, V. Tiberkevich, G. Consolo, G. Finocchio, P. Muduli, F. Mancoff, A. Slavin, J. Åk-erman, Experimental evidence of self-localized and propagating spin wave modes in obliquely magnetized current-driven nanocontacts. Phys. Rev. Lett. 105(21), 1-4 (2010)
25. G. Gerhart, E. Bankowski, G. Melkov, V. Tiberkevich, A. Slavin, Angular dependence of the microwave-generation threshold in a nanoscale spin-torque oscillator. Phys. Rev. B 76(2), 024437 (2007)
26. V.E. Demidov, S. Urazhdin, S.O. Demokritov, Direct observation and mapping of spin waves emitted by spin-torque nano-oscillators. Nat. Mater. 9(12), 984-988 (2010)
27. M. Madami, S. Bonetti, G. Consolo, S. Tacchi, G. Carlotti, G. Gubbiotti, F.B. Mancoff, M.A. Yar, J. Åkerman, Direct observation of a propagating spin wave induced by spin-transfer torque. Nat. Nanotechnol. 6, 635-638 (2011)
28. V.E. Demidov, S.O. Demokritov, B. Hillebrands, M. Laufenberg, P.P. Freitas, Radiation of spin waves by a single micrometer-sized magnetic element. Appl. Phys. Lett. 85(14), 2866-2868 (2004)
29. T. Neumann, T. Schneider, A.A. Serga, B. Hillebrands, An electro-optic modulator-assisted wavevector-resolving Brillouin light scattering setup. Rev. Sci. Instrum. 80(5), 053905 (2009)
30. V.E. Demidov, S.O. Demokritov, K. Rott, P. Krzysteczko, G. Reiss, Self-focusing of spin waves in permalloy microstripes. Appl. Phys. Lett. 91(25), 252504 (2007)
31. S. Bonetti, P. Muduli, F. Mancoff, J. Åkerman, Spin torque oscillator frequency versus magnetic field angle: the prospect of operation beyond 65 GHz. Appl. Phys. Lett. 94(10), 102507 (2009)
32. M.A. Hoefer, M.J. Ablowitz, B. Ilan, M.R. Pufall, T.J. Silva, Theory of magnetodynamics induced by spin torque in perpendicularly magnetized thin films. Phys. Rev. Lett. 95(26), 267206 (2005)
33. W.H. Rippard, A.M. Deac, M.R. Pufall, J.M. Shaw, M.W. Keller, S.E. Russek, C. Serpico, Spin-transfer dynamics in spin valves with out-of-plane magnetized CoNi free layers. Phys. Rev. B 81(1), 014426 (2010)
34. S.M. Mohseni, S.R. Sani, J. Persson, T.N. Anh Nguyen, S. Chung, Y. Pogoryelov, J. Åkerman, High frequency operation of a spin-torque oscillator at low field. Phys. Status Solidi (RRL) - Rapid Res. Lett. 5(12), 432-434 (2011)
35. S. Mizukami, F. Wu, A. Sakuma, J. Walowski, D. Watanabe, T. Kubota, X. Zhang, H. Na-ganuma, M. Oogane, Y. Ando, T. Miyazaki, Long-lived ultrafast spin precession in manganese alloys films with a large perpendicular magnetic anisotropy. Phys. Rev. Lett. 106(11), 1-4 (2011)
36. S. Kaka, M.R. Pufall, W.H. Rippard, T.J. Silva, S.E. Russek, J.A. Katine, Mutual phase-locking of microwave spin torque nano-oscillators. Nature 437(7057), 389-392 (2005)
37. M. Pufall, W. Rippard, S. Russek, S. Kaka, J. Katine, Electrical measurement of spin-wave interactions of proximate spin transfer nanooscillators. Phys. Rev. Lett. 97(8), 087206 (2006)
38. P.K. Muduli, Y. Pogoryelov, S. Bonetti, G. Consolo, F. Mancoff, J. Åkerman, Nonlinear frequency and amplitude modulation of a nanocontact-based spin-torque oscillator. Phys. Rev. B 81(14), 140408(R) (2010)
39. M.R. Pufall, W.H. Rippard, S. Kaka, T.J. Silva, S.E. Russek, Frequency modulation of spin-transfer oscillators. Appl. Phys. Lett. 86(8), 082506 (2005)
40. P.K. Muduli, Y. Pogoryelov, Y. Zhou, F. Mancoff, Spin torque oscillators and RF currents modulation, locking, and ringing. Integr. Ferroelectr. 125, 37-41 (2011)
41. P.K. Muduli, Y. Pogoryelov, F. Mancoff, J. Akerman, Modulation of individual and mutually synchronized nanocontact-based spin torque oscillators. IEEE Trans. Magn. 47(6), 1575-1579 (2011)
42. Y. Pogoryelov, P.K. Muduli, S. Bonetti, E. Iacocca, F. Mancoff, J. Åkerman, Frequency modulation of spin torque oscillator pairs. Appl. Phys. Lett. 98(19), 192501 (2011)
43. Y. Pogoryelov, P.K. Muduli, S. Bonetti, F. Mancoff, J. Åkerman, Spin-torque oscillator linewidth narrowing under current modulation. Appl. Phys. Lett. 98(19), 192506 (2011)
44. F.B. Mancoff, N.D. Rizzo, B.N. Engel, S. Tehrani, Area dependence of high-frequency spin-transfer resonance in giant magnetoresistance contacts up to 300 nm diameter. Appl. Phys. Lett. 88(11), 112507 (2006)
45. M.P. Kostylev, A.A. Serga, T. Schneider, T. Neumann, B. Leven, B. Hillebrands, R.L. Stamps, Resonant and nonresonant scattering of dipole-dominated spin waves from a region of inho-mogeneous magnetic field in a ferromagnetic film. Phys. Rev. B 76, 184419 (2007)
46. V. Tiberkevich, A. Slavin, J.-V. Kim, Microwave power generated by a spin-torque oscillator in the presence of noise. Appl. Phys. Lett. 91(19), 192506 (2007)
47. F. Maci, A.D. Kent, F.C. Hoppensteadt, Spin-wave interference patterns created by spin-torque nano-oscillators for memory and computation. Nanotechnology 22, 095301 (2011)
48. A.A. Tulapurkar, Y. Suzuki, A. Fukushima, H. Kubota, H. Maehara, K. Tsunekawa, D.D. Djayaprawira, N. Watanabe, S. Yuasa, Spin-torque diode effect in magnetic tunnel junctions. Nature 438(7066), 339-342 (2005)