Ultrafast optical demagnetization manipulates nanoscale spin structure in domain walls

Nature Communications

Volumn 3, Issue , 2012, Pages

  Pfau, B ^a   Schaffert, S ^a   Muller L ^b   Gutt, C ^b   Al Shemmary, A ^b   Buttner F ^a,c,d,e   Delaunay, R ^f   Dusterer S ^b   Flewett, S ^a,d   Fromter R ^g   Geilhufe, J ^h   Guehrs, E ^a   Gunther C M ^a   Hawaldar, R ^f   Hille, M ^g   Jaouen, N ⁱ   Kobs, A ^g   Li, K ^f   Mohanty, J ^a   Redlin, H ^b   Schlotter, W F ^j   Stickler, D ^g   Treusch, R ^b   Vodungbo, B ^f,k   Klaui M ^c,d,e   Oepen, H P ^g   Luning J ^f   Grubel G ^b   Eisebitt, S ^a,h   more..

^a TECHNISCHE UNIVERSITÄT BERLIN   (Germany)

^b DESY   (Germany)

^c JOHANNES GUTENBERG UNIVERSITY   (Germany)

^d PAUL SCHERRER INSTITUTE   (Switzerland)

^e EPFL   (Switzerland)

^f SORBONNE UNIVERSITÉ   (France)

^g UNIVERSITY OF HAMBURG   (Germany)

^h HAHN MEITNER INSTITUT   (Germany)

ⁱ SYNCHROTRON SOLEIL   (France)

^j SLAC NATIONAL ACCELERATOR LABORATORY   (United States)

^k LABORATOIRE D OPTIQUE APPLIQUÉE   (France)

more..

Author keywords

[No Author keywords available]

Indexed keywords

NANOMATERIAL;

ANGULAR MOMENTUM; DEMAGNETIZATION; ELECTRON; HETEROGENEITY; INHOMOGENEITY; MAGNETIC FIELD; OPTICAL METHOD;

ARTICLE; ELECTRON TRANSPORT; FILM; INFRARED RADIATION; LASER; TOPOGRAPHY; X RAY;

EID: 84869454255     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms2108     Document Type: Article

References (31)

1. Beaurepaire, E., Merle, J.-C., Daunois, A. & Bigot, J.-Y. Ultrafast spin dynamics in ferromagnetic nickel. Phys. Rev. Lett. 76, 4250-4253 (1996). (Pubitemid 126644988)
2. Zhang, G. P. & Hübner, W. Laser-induced ultrafast demagnetization in ferromagnetic metals. Phys. Rev. Lett. 85, 3025-3028 (2000).
3. Boeglin, C. et al. Distinguishing the ultrafast dynamics of spin and orbital moments in solids. Nature 465, 458-461 (2010).
4. Koopmans, B. et al. Explaining the paradoxical diversity of ultrafast laser-induced demagnetization. Nat Mater. 9, 259-265 (2010).
5. Ostler, T. A. et al. Ultrafast heating as a sufcient stimulus for magnetization reversal in a ferrimagnet. Nat Commun. 3, 666 (2012).
6. Malinowski, G. et al. Control of speed and efciency of ultrafast demagnetization by direct transfer of spin angular momentum. Nat Phys. 4, 855-858 (2008).
7. Battiato, M., Carva, K. & Oppeneer, P. M. Superdifusive spin transport as a mechanism of ultrafast demagnetization. Phys. Rev. Lett. 105, 027203 (2010).
8. Ackermann, W. et al. Operation of a free-electron laser from the extreme ultraviolet to the water window. Nat Photon. 1, 336-342 (2007).
9. Tiedtke, K. et al. The sof X-ray free-electron laser FLASH at DESY: beamlines, diagnostics and end-stations. New J. Phys. 11, 023029 (2009).
10. Li, J. et al. Magnetic imaging with femtosecond temporal resolution. Rev. Sci. Instr. 80, 073703 (2009).
11. Vahaplar, K. et al All-optical magnetization reversal by circularly polarized laser pulses: experiment and multiscale modeling. Phys. Rev. B 85, 104402 (2012).
12. Wu, B. et al. Observations of laser induced magnetization dynamics in Co/Pd multilayers with coherent X-ray scattering. Appl. Phys. Lett. 99, 252505 (2011).
13. Hannon, J. P, Trammell, G. T., Blume, M. & Gibbs, D. X-ray resonance exchange scattering. Phys. Rev. Lett. 61, 1245-1248 (1988).
14. Kortright, J. B. et al. Sof-X-ray small-angle scattering as a sensitive probe of magnetic and charge heterogeneity. Phys. Rev. B 64, 092401 (2001).
15. Gutt, C. et al. Single-pulse resonant magnetic scattering using a sof X-ray free-electron laser. Phys. Rev. B 81, 100401 (2010).
16. Hellwig, O., Denbeaux, G. P, Kortright, J. B. & Fullerton, E. E. X-ray studies of aligned magnetic stripe domains in perpendicular multilayers. Physica B 336, 136-144 (2003).
17. Metaxas, P. J. et al. Creep and fow regimes of magnetic domain-wall motion in ultrathin Pt/Co/Pt flms with perpendicular anisotropy Phys. Rev. Lett 99, 217208 (2007).
18. Miron, I. M. et al. Fast current-induced domain-wall motion controlled by the Rashba efect. Nat Mater. 10, 419-423 (2011).
19. 19 microstripe. Appl. Phys. Lett 95, 182508 (2009).
20. Melnikov, A. et al. Ultrafast transport of laser-excited spin-polarized carriers in Au/Fe/MgO(001). Phys. Rev. Lett 107, 076601 (2011).
21. Kamp, P. et al. Correlation of spin and orbital anisotropies with chemical order in Fe0.5Pd0.5 alloy flms using magnetic circular X-ray dichroism. Phys. Rev. B 59, 1105-1112 (1999).
22. Stillrich, H., Menk, C., Frömter, R. & Oepen, H. P. Magnetic anisotropy and the cone state in Co/Pt multilayer flms. J. Appl. Phys. 105, 07C308 (2009).
23. Redlin, H. et al. The FLASH pump-probe laser system: setup, characterization and optical beamlines. Nucl. Instrum. Methods Phys. Res. A 635, S88-S93 (2011).
24. Goris, A. et al. Role of spin-fip exchange scattering for hot-electron lifetimes in cobalt Phys. Rev. Lett. 107, 026601 (2011).
25. Aeschlimann, M. et al. Ultrafast spin-dependent electron dynamics in fcc Co. Phys. Rev. Lett 79, 5158-5161 (1997). (Pubitemid 127645410)
26. Nechaeva, I. A. & Chulkov, E. V. Properties of quasiparticle excitations in FeCo ferromagnetic alloy. Phys. Sol. State 51, 754-761 (2009).
27. Zhukov, V. P, Chulkov, E. V. & Echenique, P. M. Lifetimes and inelastic mean free path of low-energy excited electrons in Fe, Ni, Pt, and Au: Ab initio GW+T calculations. Phys. Rev. B 73, 125105 (2006).
28. Wolf, P. A. Teory of secondary electron cascade in metals. Phys. Rev. 95, 56-66 (1954).
29. Hellwig, O., Berger, A., Kortright, J. B. & Fullerton, E. E. Domain structure and magnetization reversal of antiferromagnetically coupled perpendicular anisotropy flms. J. Magn. Magn. Mater. 319, 13-55 (2007). (Pubitemid 47285512)
30. Donahue, M. J. & Porter, D. G. OOMMF User's Guide, Version 1.0 Interagency Report NISTIR 6376, National Institute of Standards and Technology (Gaithersburg, MD, 1999).
31. Stöhr, J. & Siegmann, H. C. Magnetism (Springer-Verlag, Berlin, Heidelberg, 2006).